Summary

a70b987be9a848c7d33001a4a9933642fbd47ed8626d55f83351f26bcd0f1389

File a70b987be9a848c7d33001a4a9933642fbd47ed8626d55f83351f26bcd0f1389

Summary
Download Resubmit sample

Size 122.8KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 217a2abd1327aff95ef9d28ab53924fd
SHA1 93421c816acfc2e365aa7170538b299e07de826d
SHA256 a70b987be9a848c7d33001a4a9933642fbd47ed8626d55f83351f26bcd0f1389
SHA512
2d167aa377952a612c87f96d7bc96a973a565c55eff60342f938c06b13a9a94171a1ac94ab25b22c9227a60b684f22dafe7eb70d72e25eeb9639eec3f1464ea5
CRC32 49A574D5
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

6667494

6667495

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 7, 2025, 2:55 p.m. July 7, 2025, 3:01 p.m. 362 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-07 10:05:24,030 [analyzer] DEBUG: Starting analyzer from: C:\tmpblqbwr
2025-07-07 10:05:24,046 [analyzer] DEBUG: Pipe server name: \??\PIPE\sHQAISIliyLzJnFzTtxcUXSZrsRjpF
2025-07-07 10:05:24,046 [analyzer] DEBUG: Log pipe server name: \??\PIPE\fDhWwAGQNAOGxFpSROuJEzbQZeZU
2025-07-07 10:05:24,312 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-07 10:05:24,312 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-07 10:05:24,812 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-07 10:05:25,030 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-07 10:05:25,030 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-07 10:05:25,030 [analyzer] DEBUG: Started auxiliary module Human
2025-07-07 10:05:25,030 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-07 10:05:25,030 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-07 10:05:25,125 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-07 10:05:25,125 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-07 10:05:25,125 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-07 10:05:25,140 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-07 10:05:25,312 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\a70b987be9a848c7d33001a4a9933642fbd47ed8626d55f83351f26bcd0f1389.exe' with arguments '' and pid 2492
2025-07-07 10:05:25,500 [analyzer] DEBUG: Loaded monitor into process with pid 2492
2025-07-07 10:05:25,562 [analyzer] INFO: Added new file to list with pid 2492 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-07-07 10:05:25,578 [analyzer] INFO: Added new file to list with pid 2492 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-07-07 10:05:25,640 [analyzer] INFO: Injected into process with pid 2356 and name ''
2025-07-07 10:05:25,812 [analyzer] DEBUG: Loaded monitor into process with pid 2356
2025-07-07 10:05:25,890 [analyzer] INFO: Added new file to list with pid 2492 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
2025-07-07 10:05:25,967 [analyzer] INFO: Added new file to list with pid 2492 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
2025-07-07 10:05:26,858 [analyzer] INFO: Added new file to list with pid 2356 and path C:\backup.exe
2025-07-07 13:58:49,549 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-07 13:58:50,017 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-07 13:58:50,017 [lib.api.process] INFO: Successfully terminated process with pid 2492.
2025-07-07 13:58:50,017 [lib.api.process] INFO: Successfully terminated process with pid 2356.
2025-07-07 13:58:50,065 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-07 14:55:24,732 [cuckoo.core.scheduler] DEBUG: Task #6660511: no machine available yet
2025-07-07 14:55:25,771 [cuckoo.core.scheduler] DEBUG: Task #6660511: no machine available yet
2025-07-07 14:55:27,007 [cuckoo.core.scheduler] DEBUG: Task #6660511: no machine available yet
2025-07-07 14:55:28,291 [cuckoo.core.scheduler] DEBUG: Task #6660511: no machine available yet
2025-07-07 14:55:29,553 [cuckoo.core.scheduler] INFO: Task #6660511: acquired machine win7x6418 (label=win7x6418)
2025-07-07 14:55:29,556 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.218 for task #6660511
2025-07-07 14:55:30,332 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 2191685 (interface=vboxnet0, host=192.168.168.218)
2025-07-07 14:55:30,587 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6418
2025-07-07 14:55:31,609 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6418 to vmcloak
2025-07-07 14:58:11,813 [cuckoo.core.guest] INFO: Starting analysis #6660511 on guest (id=win7x6418, ip=192.168.168.218)
2025-07-07 14:58:12,819 [cuckoo.core.guest] DEBUG: win7x6418: not ready yet
2025-07-07 14:58:17,842 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6418, ip=192.168.168.218)
2025-07-07 14:58:17,924 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6418, ip=192.168.168.218, monitor=latest, size=6660546)
2025-07-07 14:58:19,233 [cuckoo.core.resultserver] DEBUG: Task #6660511: live log analysis.log initialized.
2025-07-07 14:58:20,461 [cuckoo.core.resultserver] DEBUG: Task #6660511 is sending a BSON stream
2025-07-07 14:58:20,736 [cuckoo.core.resultserver] DEBUG: Task #6660511 is sending a BSON stream
2025-07-07 14:58:20,974 [cuckoo.core.resultserver] DEBUG: Task #6660511 is sending a BSON stream
2025-07-07 14:58:21,480 [cuckoo.core.resultserver] DEBUG: Task #6660511: File upload for 'shots/0001.jpg'
2025-07-07 14:58:21,499 [cuckoo.core.resultserver] DEBUG: Task #6660511 uploaded file length: 133464
2025-07-07 14:58:34,078 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6660511 still processing
2025-07-07 14:58:49,765 [cuckoo.core.resultserver] DEBUG: Task #6660511: File upload for 'curtain/1751889529.75.curtain.log'
2025-07-07 14:58:49,767 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6660511 still processing
2025-07-07 14:58:49,769 [cuckoo.core.resultserver] DEBUG: Task #6660511 uploaded file length: 36
2025-07-07 14:58:49,982 [cuckoo.core.resultserver] DEBUG: Task #6660511: File upload for 'sysmon/1751889529.97.sysmon.xml'
2025-07-07 14:58:50,027 [cuckoo.core.resultserver] DEBUG: Task #6660511 uploaded file length: 2188720
2025-07-07 14:58:50,046 [cuckoo.core.resultserver] DEBUG: Task #6660511: File upload for 'files/7942290d8a21f653_backup.exe'
2025-07-07 14:58:50,062 [cuckoo.core.resultserver] DEBUG: Task #6660511 uploaded file length: 125752
2025-07-07 14:58:50,066 [cuckoo.core.resultserver] DEBUG: Task #6660511: File upload for 'files/b741e4a368b0db29_backup.exe'
2025-07-07 14:58:50,070 [cuckoo.core.resultserver] DEBUG: Task #6660511 uploaded file length: 125754
2025-07-07 14:58:50,096 [cuckoo.core.resultserver] DEBUG: Task #6660511 had connection reset for <Context for LOG>
2025-07-07 14:58:52,788 [cuckoo.core.guest] INFO: win7x6418: analysis completed successfully
2025-07-07 14:58:52,809 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-07 14:58:52,839 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-07 14:58:54,615 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6418 to path /srv/cuckoo/cwd/storage/analyses/6660511/memory.dmp
2025-07-07 14:58:54,625 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6418
2025-07-07 15:01:26,652 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.218 for task #6660511
2025-07-07 15:01:27,054 [cuckoo.core.scheduler] DEBUG: Released database task #6660511
2025-07-07 15:01:27,078 [cuckoo.core.scheduler] INFO: Task #6660511: 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: 2492
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.GenericKD.76484443 (Engine A), Win32.Trojan.Vilsel.B (Engine B)
Avast Core Security (Linux) Win32:Evo-gen [Trj]
C4S ClamAV (Linux) Win.Malware.Genpack-6989317-0
Trellix (Linux) Generic VB.z trojan
WithSecure (Linux) Trojan.TR/Crypt.ULPM.Gen
eScan Antivirus (Linux) Trojan.GenericKD.76484443(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.GenericKD.76484443
Kaspersky Standard (Windows) Trojan.Win32.Vilsel.loy
Emsisoft Commandline Scanner (Windows) Trojan.GenericKD.76484443 (B)
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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