Summary

27ca24b85741b7e0acbc20894bcde101e2b391e496006db6cb7e35ead147bcbd

File 27ca24b85741b7e0acbc20894bcde101e2b391e496006db6cb7e35ead147bcbd

Summary
Download Resubmit sample

Size 92.4KB
Type PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed
MD5 090f3534ba6364acbae9773138f4a113
SHA1 8917c7e19e9f40de46f4d8d4cd319120e8443491
SHA256 27ca24b85741b7e0acbc20894bcde101e2b391e496006db6cb7e35ead147bcbd
SHA512
21141fcf18ac6ce19f162ef4c1fa6ed562c721ccc4d91ef261db0e0a247f3e8801e4f0038437fed4e337eef0578ebecfc6362e3ced7ff4ede596fc5c152862f1
CRC32 1B1D7A48
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

6600704

6600705

Feedback

Expecting different results? Send us this analysis and we will inspect it. Click here

Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE June 22, 2025, 1:37 a.m. June 22, 2025, 1:43 a.m. 367 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-06-20 18:40:13,015 [analyzer] DEBUG: Starting analyzer from: C:\tmpmdfut4
2025-06-20 18:40:13,030 [analyzer] DEBUG: Pipe server name: \??\PIPE\UBsvTWcpfhhYYBjvzAKSKMjvEGPwghp
2025-06-20 18:40:13,030 [analyzer] DEBUG: Log pipe server name: \??\PIPE\BjDYhmWpjsbEiohuADJcVhgsAHVc
2025-06-20 18:40:13,328 [analyzer] DEBUG: Started auxiliary module Curtain
2025-06-20 18:40:13,328 [analyzer] DEBUG: Started auxiliary module DbgView
2025-06-20 18:40:13,796 [analyzer] DEBUG: Started auxiliary module Disguise
2025-06-20 18:40:14,000 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-06-20 18:40:14,000 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-06-20 18:40:14,000 [analyzer] DEBUG: Started auxiliary module Human
2025-06-20 18:40:14,000 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-06-20 18:40:14,000 [analyzer] DEBUG: Started auxiliary module Reboot
2025-06-20 18:40:14,092 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-06-20 18:40:14,092 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-06-20 18:40:14,108 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-06-20 18:40:14,108 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-06-20 18:40:14,250 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\27ca24b85741b7e0acbc20894bcde101e2b391e496006db6cb7e35ead147bcbd.exe' with arguments '' and pid 1320
2025-06-20 18:40:14,453 [analyzer] DEBUG: Loaded monitor into process with pid 1320
2025-06-20 18:40:14,515 [analyzer] INFO: Added new file to list with pid 1320 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-06-20 18:40:14,530 [analyzer] INFO: Added new file to list with pid 1320 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-06-20 18:40:14,592 [analyzer] INFO: Injected into process with pid 1364 and name ''
2025-06-20 18:40:14,765 [analyzer] DEBUG: Loaded monitor into process with pid 1364
2025-06-20 18:40:14,842 [analyzer] INFO: Added new file to list with pid 1320 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
2025-06-20 18:40:14,905 [analyzer] INFO: Added new file to list with pid 1320 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\System Restore.exe
2025-06-20 18:40:15,812 [analyzer] INFO: Added new file to list with pid 1364 and path C:\backup.exe
2025-06-20 18:40:43,250 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-06-20 18:40:43,655 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-06-20 18:40:43,655 [lib.api.process] INFO: Successfully terminated process with pid 1320.
2025-06-20 18:40:43,655 [lib.api.process] INFO: Successfully terminated process with pid 1364.
2025-06-20 18:40:43,687 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-06-22 01:37:06,043 [cuckoo.core.scheduler] DEBUG: Task #6574053: no machine available yet
2025-06-22 01:37:07,407 [cuckoo.core.scheduler] DEBUG: Task #6574053: no machine available yet
2025-06-22 01:37:08,611 [cuckoo.core.scheduler] DEBUG: Task #6574053: no machine available yet
2025-06-22 01:37:09,673 [cuckoo.core.scheduler] DEBUG: Task #6574053: no machine available yet
2025-06-22 01:37:10,927 [cuckoo.core.scheduler] INFO: Task #6574053: acquired machine win7x644 (label=win7x644)
2025-06-22 01:37:10,931 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.204 for task #6574053
2025-06-22 01:37:11,710 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 1541916 (interface=vboxnet0, host=192.168.168.204)
2025-06-22 01:37:11,972 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x644
2025-06-22 01:37:12,906 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x644 to vmcloak
2025-06-22 01:40:12,894 [cuckoo.core.guest] INFO: Starting analysis #6574053 on guest (id=win7x644, ip=192.168.168.204)
2025-06-22 01:40:13,932 [cuckoo.core.guest] DEBUG: win7x644: not ready yet
2025-06-22 01:40:18,953 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x644, ip=192.168.168.204)
2025-06-22 01:40:19,060 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x644, ip=192.168.168.204, monitor=latest, size=6660546)
2025-06-22 01:40:20,790 [cuckoo.core.resultserver] DEBUG: Task #6574053: live log analysis.log initialized.
2025-06-22 01:40:21,797 [cuckoo.core.resultserver] DEBUG: Task #6574053 is sending a BSON stream
2025-06-22 01:40:22,168 [cuckoo.core.resultserver] DEBUG: Task #6574053 is sending a BSON stream
2025-06-22 01:40:22,658 [cuckoo.core.resultserver] DEBUG: Task #6574053 is sending a BSON stream
2025-06-22 01:40:22,993 [cuckoo.core.resultserver] DEBUG: Task #6574053: File upload for 'shots/0001.jpg'
2025-06-22 01:40:23,005 [cuckoo.core.resultserver] DEBUG: Task #6574053 uploaded file length: 133497
2025-06-22 01:40:36,549 [cuckoo.core.guest] DEBUG: win7x644: analysis #6574053 still processing
2025-06-22 01:40:51,237 [cuckoo.core.resultserver] DEBUG: Task #6574053: File upload for 'curtain/1750437643.44.curtain.log'
2025-06-22 01:40:51,240 [cuckoo.core.resultserver] DEBUG: Task #6574053 uploaded file length: 36
2025-06-22 01:40:51,428 [cuckoo.core.resultserver] DEBUG: Task #6574053: File upload for 'sysmon/1750437643.62.sysmon.xml'
2025-06-22 01:40:51,458 [cuckoo.core.resultserver] DEBUG: Task #6574053 uploaded file length: 1702958
2025-06-22 01:40:51,467 [cuckoo.core.resultserver] DEBUG: Task #6574053: File upload for 'files/76460c88b0cfa710_system restore.exe'
2025-06-22 01:40:51,470 [cuckoo.core.resultserver] DEBUG: Task #6574053 uploaded file length: 94616
2025-06-22 01:40:51,475 [cuckoo.core.resultserver] DEBUG: Task #6574053: File upload for 'files/55bdae6f51cb9ff4_backup.exe'
2025-06-22 01:40:51,477 [cuckoo.core.resultserver] DEBUG: Task #6574053 uploaded file length: 94618
2025-06-22 01:40:51,648 [cuckoo.core.resultserver] DEBUG: Task #6574053 had connection reset for <Context for LOG>
2025-06-22 01:40:51,906 [cuckoo.core.guest] INFO: win7x644: analysis completed successfully
2025-06-22 01:40:51,924 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-06-22 01:40:51,949 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-06-22 01:40:53,507 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x644 to path /srv/cuckoo/cwd/storage/analyses/6574053/memory.dmp
2025-06-22 01:40:53,508 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x644
2025-06-22 01:43:10,739 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.204 for task #6574053
2025-06-22 01:43:12,486 [cuckoo.core.scheduler] DEBUG: Released database task #6574053
2025-06-22 01:43:12,902 [cuckoo.core.scheduler] INFO: Task #6574053: 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) (1 event)
section .imports
Creates executable files on the filesystem (5 events)
file C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\System Restore.exe
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
Drops an executable to the user AppData folder (1 event)
file C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\System Restore.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: 1320
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 24576
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x01c70000
process_handle: 0xffffffff
1 0 0
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 12 AntiVirus engine on IRMA as malicious (12 events)
G Data Antivirus (Windows) Virus: Trojan.GenericKD.44959075 (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.GenericKD.44959075(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.44959075
Emsisoft Commandline Scanner (Windows) Trojan.GenericKD.44959075 (B)
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

We're processing your submission... This could take a few seconds.