Summary

abea0c9d1599961d_backup.exe

File abea0c9d1599961d_backup.exe

Summary
Download Resubmit sample

Size 89.5KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 109652c2944c1eaa146e6e03c2f295c3
SHA1 b37b7098c77366c7c968623e5ae4d4000eea8ac7
SHA256 abea0c9d1599961d120e2fa8a15f8a7870d3bf913780e44a94072c75d42079eb
SHA512
0f2b27396222fe41f3807a162087149e0e1a4a569e4a1eb4791f1fa5de153fd0556d34ec9a5c8454b28d6e44f05e9087655af7bb233a2eee973cb0c81a41b453
CRC32 E7720B56
ssdeep None
Yara
  • suspicious_packer_section - The packer/protector section names/keywords

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:6705086

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 18, 2025, 3:27 p.m. July 18, 2025, 3:34 p.m. 447 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-14 13:06:07,015 [analyzer] DEBUG: Starting analyzer from: C:\tmpj6atou
2025-07-14 13:06:07,030 [analyzer] DEBUG: Pipe server name: \??\PIPE\FrgxkqvkqDuRCzrwAAROJnmFHKrd
2025-07-14 13:06:07,030 [analyzer] DEBUG: Log pipe server name: \??\PIPE\lRKFcXsDZSoIHJTJlrDoUiGKCBwLlAG
2025-07-14 13:06:07,030 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-07-14 13:06:07,030 [analyzer] INFO: Automatically selected analysis package "exe"
2025-07-14 13:06:07,328 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-14 13:06:07,328 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-14 13:06:08,092 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-14 13:06:08,296 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-14 13:06:08,296 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-14 13:06:08,296 [analyzer] DEBUG: Started auxiliary module Human
2025-07-14 13:06:08,296 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-14 13:06:08,296 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-14 13:06:08,390 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-14 13:06:08,390 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-14 13:06:08,390 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-14 13:06:08,390 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-14 13:06:08,562 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\abea0c9d1599961d_backup.exe' with arguments '' and pid 3004
2025-07-14 13:06:08,765 [analyzer] DEBUG: Loaded monitor into process with pid 3004
2025-07-14 13:06:08,858 [analyzer] INFO: Added new file to list with pid 3004 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-07-14 13:06:08,875 [analyzer] INFO: Added new file to list with pid 3004 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-07-14 13:06:08,953 [analyzer] INFO: Injected into process with pid 628 and name ''
2025-07-14 13:06:09,125 [analyzer] DEBUG: Loaded monitor into process with pid 628
2025-07-14 13:06:09,203 [analyzer] INFO: Added new file to list with pid 3004 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
2025-07-14 13:06:09,265 [analyzer] INFO: Added new file to list with pid 3004 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
2025-07-14 13:06:10,187 [analyzer] INFO: Added new file to list with pid 628 and path C:\backup.exe
2025-07-14 13:09:27,578 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-14 13:09:28,625 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-14 13:09:28,625 [lib.api.process] INFO: Successfully terminated process with pid 3004.
2025-07-14 13:09:28,625 [lib.api.process] INFO: Successfully terminated process with pid 628.
2025-07-14 13:09:28,655 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-18 15:27:18,431 [cuckoo.core.scheduler] INFO: Task #6732376: acquired machine win7x6416 (label=win7x6416)
2025-07-18 15:27:18,432 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.216 for task #6732376
2025-07-18 15:27:18,810 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 2765457 (interface=vboxnet0, host=192.168.168.216)
2025-07-18 15:27:18,976 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6416
2025-07-18 15:27:26,590 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6416 to vmcloak
2025-07-18 15:28:58,561 [cuckoo.core.guest] INFO: Starting analysis #6732376 on guest (id=win7x6416, ip=192.168.168.216)
2025-07-18 15:28:59,567 [cuckoo.core.guest] DEBUG: win7x6416: not ready yet
2025-07-18 15:29:04,619 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6416, ip=192.168.168.216)
2025-07-18 15:29:04,753 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6416, ip=192.168.168.216, monitor=latest, size=6660546)
2025-07-18 15:29:06,502 [cuckoo.core.resultserver] DEBUG: Task #6732376: live log analysis.log initialized.
2025-07-18 15:29:07,807 [cuckoo.core.resultserver] DEBUG: Task #6732376 is sending a BSON stream
2025-07-18 15:29:08,260 [cuckoo.core.resultserver] DEBUG: Task #6732376 is sending a BSON stream
2025-07-18 15:29:08,620 [cuckoo.core.resultserver] DEBUG: Task #6732376 is sending a BSON stream
2025-07-18 15:29:09,138 [cuckoo.core.resultserver] DEBUG: Task #6732376: File upload for 'shots/0001.jpg'
2025-07-18 15:29:09,159 [cuckoo.core.resultserver] DEBUG: Task #6732376 uploaded file length: 133564
2025-07-18 15:29:21,150 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6732376 still processing
2025-07-18 15:29:36,421 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6732376 still processing
2025-07-18 15:29:51,774 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6732376 still processing
2025-07-18 15:30:06,863 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6732376 still processing
2025-07-18 15:30:23,117 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6732376 still processing
2025-07-18 15:30:38,265 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6732376 still processing
2025-07-18 15:30:53,368 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6732376 still processing
2025-07-18 15:31:08,480 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6732376 still processing
2025-07-18 15:31:23,580 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6732376 still processing
2025-07-18 15:31:38,668 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6732376 still processing
2025-07-18 15:31:53,975 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6732376 still processing
2025-07-18 15:32:09,078 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6732376 still processing
2025-07-18 15:32:24,175 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6732376 still processing
2025-07-18 15:32:27,413 [cuckoo.core.resultserver] DEBUG: Task #6732376: File upload for 'curtain/1752491367.75.curtain.log'
2025-07-18 15:32:27,417 [cuckoo.core.resultserver] DEBUG: Task #6732376 uploaded file length: 36
2025-07-18 15:32:28,132 [cuckoo.core.resultserver] DEBUG: Task #6732376: File upload for 'sysmon/1752491368.55.sysmon.xml'
2025-07-18 15:32:28,209 [cuckoo.core.resultserver] DEBUG: Task #6732376 uploaded file length: 10253480
2025-07-18 15:32:28,227 [cuckoo.core.resultserver] DEBUG: Task #6732376: File upload for 'files/c9f5574432f59b6d_backup.exe'
2025-07-18 15:32:28,230 [cuckoo.core.resultserver] DEBUG: Task #6732376: File upload for 'files/27952ef65288888a_backup.exe'
2025-07-18 15:32:28,233 [cuckoo.core.resultserver] DEBUG: Task #6732376: File upload for 'files/9ab76611c63ec521_backup.exe'
2025-07-18 15:32:28,235 [cuckoo.core.resultserver] DEBUG: Task #6732376 uploaded file length: 91628
2025-07-18 15:32:28,237 [cuckoo.core.resultserver] DEBUG: Task #6732376 uploaded file length: 91626
2025-07-18 15:32:28,242 [cuckoo.core.resultserver] DEBUG: Task #6732376 uploaded file length: 91626
2025-07-18 15:32:28,256 [cuckoo.core.resultserver] DEBUG: Task #6732376 had connection reset for <Context for LOG>
2025-07-18 15:32:30,205 [cuckoo.core.guest] INFO: win7x6416: analysis completed successfully
2025-07-18 15:32:30,220 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-18 15:32:30,243 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-18 15:32:31,293 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6416 to path /srv/cuckoo/cwd/storage/analyses/6732376/memory.dmp
2025-07-18 15:32:31,295 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6416
2025-07-18 15:34:44,550 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.216 for task #6732376
2025-07-18 15:34:45,393 [cuckoo.core.scheduler] DEBUG: Released database task #6732376
2025-07-18 15:34:45,406 [cuckoo.core.scheduler] INFO: Task #6732376: analysis procedure completed

Signatures

Yara rule detected for file (1 event)
description The packer/protector section names/keywords rule suspicious_packer_section
Creates executable files on the filesystem (5 events)
file C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
file C:\backup.exe
file C:\Users\Administrator\AppData\Local\Temp\backup.exe
file C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
file C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\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: 3004
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 24576
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x003f0000
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'0x00003e00', u'virtual_address': u'0x00011000', u'entropy': 7.804677160000422, u'name': u'.pdata', u'virtual_size': u'0x00004000'} entropy 7.80467716 description A section with a high entropy has been found
entropy 0.260504201681 description Overall entropy of this PE file is high
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.B (Engine B)
Avast Core Security (Linux) Win32:Evo-gen [Trj]
C4S ClamAV (Linux) Win.Malware.Genpack-6989317-0
Trend Micro SProtect (Linux) WORM_VILSEL.SMB
Trellix (Linux) Generic VB.z trojan
WithSecure (Linux) Trojan.TR/Crypt.ULPM.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
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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