Summary

f215b961c3e6cc08_backup.exe

File f215b961c3e6cc08_backup.exe

Summary
Download Resubmit sample

Size 286.4KB
Type PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed
MD5 e86ddd70b20025e6f7176bae8cf041b8
SHA1 2988f029a8ce9c75ca953ad7e7ae58f612d90287
SHA256 f215b961c3e6cc0823b3155ac5f6fb667b6b53d1f051d3a7977b327dd1f66229
SHA512
b4016c2c3347034f3fbe602809ca7a7fc1e064db7675198d8d0616c828a6294390d8f741e8d1a37e91d9309ca1937cdf5a9372912de2cf43b495f88f01e0a073
CRC32 17F405E6
ssdeep None
Yara
  • suspicious_packer_section - The packer/protector section names/keywords
  • SEH__vba - (no description)
  • escalate_priv - Escalade priviledges
  • win_mutex - Create or check mutex
  • win_registry - Affect system registries
  • win_token - Affect system token

Score

This file is very suspicious, with a score of 10 out of 10!

Please notice: The scoring system is currently still in development and should be considered an alpha feature.

Autosubmit

Parent_Task_ID:6596349

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 3, 2025, 1:24 a.m. July 3, 2025, 1:32 a.m. 483 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-06-26 20:03:18,000 [analyzer] DEBUG: Starting analyzer from: C:\tmptisd8w
2025-06-26 20:03:18,015 [analyzer] DEBUG: Pipe server name: \??\PIPE\HOybtJjemCxfSvtciLAY
2025-06-26 20:03:18,015 [analyzer] DEBUG: Log pipe server name: \??\PIPE\dojUNrmxFdbKfEHTiFXsgj
2025-06-26 20:03:18,015 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-06-26 20:03:18,015 [analyzer] INFO: Automatically selected analysis package "exe"
2025-06-26 20:03:18,265 [analyzer] DEBUG: Started auxiliary module Curtain
2025-06-26 20:03:18,265 [analyzer] DEBUG: Started auxiliary module DbgView
2025-06-26 20:03:18,655 [analyzer] DEBUG: Started auxiliary module Disguise
2025-06-26 20:03:18,858 [analyzer] DEBUG: Loaded monitor into process with pid 508
2025-06-26 20:03:18,858 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-06-26 20:03:18,858 [analyzer] DEBUG: Started auxiliary module Human
2025-06-26 20:03:18,858 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-06-26 20:03:18,858 [analyzer] DEBUG: Started auxiliary module Reboot
2025-06-26 20:03:18,937 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-06-26 20:03:18,937 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-06-26 20:03:18,937 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-06-26 20:03:18,937 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-06-26 20:03:19,078 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\f215b961c3e6cc08_backup.exe' with arguments '' and pid 2564
2025-06-26 20:03:19,265 [analyzer] DEBUG: Loaded monitor into process with pid 2564
2025-06-26 20:03:19,312 [analyzer] INFO: Added new file to list with pid 2564 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-06-26 20:03:19,328 [analyzer] INFO: Added new file to list with pid 2564 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-06-26 20:03:19,405 [analyzer] INFO: Injected into process with pid 1528 and name ''
2025-06-26 20:03:19,578 [analyzer] DEBUG: Loaded monitor into process with pid 1528
2025-06-26 20:03:19,640 [analyzer] INFO: Added new file to list with pid 2564 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\data.exe
2025-06-26 20:03:19,717 [analyzer] INFO: Added new file to list with pid 2564 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\data.exe
2025-06-26 20:03:20,640 [analyzer] INFO: Added new file to list with pid 1528 and path C:\backup.exe
2025-06-26 20:06:38,078 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-06-26 20:06:39,125 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-06-26 20:06:39,125 [lib.api.process] INFO: Successfully terminated process with pid 2564.
2025-06-26 20:06:39,140 [lib.api.process] INFO: Successfully terminated process with pid 1528.
2025-06-26 20:06:39,155 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-03 01:24:16,927 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:17,948 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:18,993 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:20,023 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:21,048 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:22,073 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:23,100 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:24,125 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:25,145 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:26,169 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:27,190 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:28,211 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:29,231 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:30,414 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:31,546 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:32,639 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:33,666 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:34,701 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:35,731 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:36,764 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:37,804 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:38,834 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:39,869 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:40,903 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:41,934 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:42,978 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:44,010 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:45,045 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:46,077 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:47,109 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:48,141 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:49,189 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:50,221 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:51,255 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:52,327 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:53,354 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:54,510 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:55,542 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:56,573 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:57,608 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:58,636 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:24:59,667 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:00,696 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:01,741 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:02,775 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:03,886 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:05,123 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:06,315 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:07,354 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:08,393 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:09,422 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:10,464 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:11,668 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:12,817 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:13,905 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:14,939 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:16,543 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:17,671 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:18,953 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:20,055 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:21,144 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:22,218 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:23,290 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:24,684 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:25,800 [cuckoo.core.scheduler] DEBUG: Task #6635967: no machine available yet
2025-07-03 01:25:26,928 [cuckoo.core.scheduler] INFO: Task #6635967: acquired machine win7x647 (label=win7x647)
2025-07-03 01:25:26,930 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.207 for task #6635967
2025-07-03 01:25:27,344 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 3886916 (interface=vboxnet0, host=192.168.168.207)
2025-07-03 01:25:27,565 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x647
2025-07-03 01:25:28,197 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x647 to vmcloak
2025-07-03 01:27:32,110 [cuckoo.core.guest] INFO: Starting analysis #6635967 on guest (id=win7x647, ip=192.168.168.207)
2025-07-03 01:27:33,115 [cuckoo.core.guest] DEBUG: win7x647: not ready yet
2025-07-03 01:27:38,153 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x647, ip=192.168.168.207)
2025-07-03 01:27:38,213 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x647, ip=192.168.168.207, monitor=latest, size=6660546)
2025-07-03 01:27:39,383 [cuckoo.core.resultserver] DEBUG: Task #6635967: live log analysis.log initialized.
2025-07-03 01:27:40,110 [cuckoo.core.resultserver] DEBUG: Task #6635967 is sending a BSON stream
2025-07-03 01:27:40,504 [cuckoo.core.resultserver] DEBUG: Task #6635967 is sending a BSON stream
2025-07-03 01:27:40,897 [cuckoo.core.resultserver] DEBUG: Task #6635967 is sending a BSON stream
2025-07-03 01:27:41,355 [cuckoo.core.resultserver] DEBUG: Task #6635967: File upload for 'shots/0001.jpg'
2025-07-03 01:27:41,371 [cuckoo.core.resultserver] DEBUG: Task #6635967 uploaded file length: 133499
2025-07-03 01:27:54,398 [cuckoo.core.guest] DEBUG: win7x647: analysis #6635967 still processing
2025-07-03 01:28:09,546 [cuckoo.core.guest] DEBUG: win7x647: analysis #6635967 still processing
2025-07-03 01:28:24,780 [cuckoo.core.guest] DEBUG: win7x647: analysis #6635967 still processing
2025-07-03 01:28:40,266 [cuckoo.core.guest] DEBUG: win7x647: analysis #6635967 still processing
2025-07-03 01:28:55,506 [cuckoo.core.guest] DEBUG: win7x647: analysis #6635967 still processing
2025-07-03 01:29:11,194 [cuckoo.core.guest] DEBUG: win7x647: analysis #6635967 still processing
2025-07-03 01:29:26,325 [cuckoo.core.guest] DEBUG: win7x647: analysis #6635967 still processing
2025-07-03 01:29:41,430 [cuckoo.core.guest] DEBUG: win7x647: analysis #6635967 still processing
2025-07-03 01:29:56,599 [cuckoo.core.guest] DEBUG: win7x647: analysis #6635967 still processing
2025-07-03 01:30:11,951 [cuckoo.core.guest] DEBUG: win7x647: analysis #6635967 still processing
2025-07-03 01:30:27,133 [cuckoo.core.guest] DEBUG: win7x647: analysis #6635967 still processing
2025-07-03 01:30:42,308 [cuckoo.core.guest] DEBUG: win7x647: analysis #6635967 still processing
2025-07-03 01:30:57,517 [cuckoo.core.guest] DEBUG: win7x647: analysis #6635967 still processing
2025-07-03 01:30:59,592 [cuckoo.core.resultserver] DEBUG: Task #6635967: File upload for 'curtain/1750961198.25.curtain.log'
2025-07-03 01:30:59,602 [cuckoo.core.resultserver] DEBUG: Task #6635967 uploaded file length: 36
2025-07-03 01:31:00,364 [cuckoo.core.resultserver] DEBUG: Task #6635967: File upload for 'sysmon/1750961199.05.sysmon.xml'
2025-07-03 01:31:00,450 [cuckoo.core.resultserver] DEBUG: Task #6635967 uploaded file length: 11062288
2025-07-03 01:31:00,485 [cuckoo.core.resultserver] DEBUG: Task #6635967: File upload for 'files/64d4632c338de5c4_backup.exe'
2025-07-03 01:31:00,488 [cuckoo.core.resultserver] DEBUG: Task #6635967: File upload for 'files/81c73ba7fe05a165_backup.exe'
2025-07-03 01:31:00,493 [cuckoo.core.resultserver] DEBUG: Task #6635967 uploaded file length: 293302
2025-07-03 01:31:00,498 [cuckoo.core.resultserver] DEBUG: Task #6635967 uploaded file length: 293304
2025-07-03 01:31:00,500 [cuckoo.core.resultserver] DEBUG: Task #6635967 had connection reset for <Context for LOG>
2025-07-03 01:31:00,531 [cuckoo.core.guest] INFO: win7x647: analysis completed successfully
2025-07-03 01:31:00,543 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-03 01:31:00,564 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-03 01:31:01,511 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x647 to path /srv/cuckoo/cwd/storage/analyses/6635967/memory.dmp
2025-07-03 01:31:01,512 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x647
2025-07-03 01:32:19,466 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.207 for task #6635967
2025-07-03 01:32:20,275 [cuckoo.core.scheduler] DEBUG: Released database task #6635967
2025-07-03 01:32:20,301 [cuckoo.core.scheduler] INFO: Task #6635967: analysis procedure completed

Signatures

Yara rules detected for file (6 events)
description The packer/protector section names/keywords rule suspicious_packer_section
description (no description) rule SEH__vba
description Escalade priviledges rule escalate_priv
description Create or check mutex rule win_mutex
description Affect system registries rule win_registry
description Affect system token rule win_token
The executable contains unknown PE section names indicative of a packer (could be a false positive) (11 events)
section .imports
section vGcDmgqS
section OemrSHrg
section oTYNbdoC
section xtdCtgCM
section WBqRVNOm
section crmSjrOd
section TaxqqvYk
section asknpKFN
section WbQjzPCY
section oYlVYBAV
Creates executable files on the filesystem (5 events)
file C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
file C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\data.exe
file C:\backup.exe
file C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\data.exe
file C:\Users\Administrator\AppData\Local\Temp\backup.exe
Drops an executable to the user AppData folder (1 event)
file C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) (1 event)
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 2564
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 24576
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x003e0000
process_handle: 0xffffffff
1 0 0
The binary likely contains encrypted or compressed data indicative of a packer (2 events)
section {u'size_of_data': u'0x00000c00', u'virtual_address': u'0x0001c000', u'entropy': 7.655718428046816, u'name': u'vGcDmgqS', u'virtual_size': u'0x00000b03'} entropy 7.65571842805 description A section with a high entropy has been found
section {u'size_of_data': u'0x00000200', u'virtual_address': u'0x00050000', u'entropy': 7.272371496875979, u'name': u'asknpKFN', u'virtual_size': u'0x000001e2'} entropy 7.27237149688 description A section with a high entropy has been found
The executable is compressed using UPX (2 events)
section UPX0 description Section name indicates UPX
section UPX1 description Section name indicates UPX
Attempts to modify Explorer settings to prevent file extensions from being displayed (1 event)
registry HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt
Attempts to modify Explorer settings to prevent hidden files from being displayed (1 event)
registry HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Hidden
File has been identified by 13 AntiVirus engine on IRMA as malicious (13 events)
G Data Antivirus (Windows) Virus: Trojan.Generic.4385790 (Engine A), Win32.Trojan.Vilsel.A (Engine B)
Avast Core Security (Linux) Win32:Vilsel-CT [Trj]
C4S ClamAV (Linux) Win.Malware.Genpack-6989317-0
Trellix (Linux) Generic VB.z trojan
WithSecure (Linux) Trojan.TR/Dropper.Gen
eScan Antivirus (Linux) Trojan.Generic.4385790(DB)
ESET Security (Windows) Win32/VB.OZA trojan
Sophos Anti-Virus (Linux) Troj/VB-LET
DrWeb Antivirus (Linux) Trojan.Copyself.102
ClamAV (Linux) Win.Malware.Genpack-6989317-0
Bitdefender Antivirus (Linux) Trojan.Generic.4385790
Kaspersky Standard (Windows) Trojan.Win32.Vilsel.loy
Emsisoft Commandline Scanner (Windows) Trojan.Generic.4385790 (B)
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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