Summary

a1378d16cf226114_backup.exe

File a1378d16cf226114_backup.exe

Summary
Download Resubmit sample

Size 88.2KB
Type PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
MD5 4181e488fe7cd45662f295feac82fcc4
SHA1 292d5875ec612230aa3d1548c860263fb15d20ff
SHA256 a1378d16cf226114c6948b762ce41547bbf9f191289c244fa330471b882391be
SHA512
e6532af3b1b0e12d51b75364937b8732b25568c417d271f6bfe2f30a95c0901fb05e4abc094b7a3a0f479c6c6478a7d81a16574c73f18a1defd1dd329591af9c
CRC32 5D8FFEEC
ssdeep None
Yara
  • UPX - (no description)
  • 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:6705115

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 18, 2025, 3:33 p.m. July 18, 2025, 3:40 p.m. 424 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-14 13:13:18,030 [analyzer] DEBUG: Starting analyzer from: C:\tmpwwr_kc
2025-07-14 13:13:18,030 [analyzer] DEBUG: Pipe server name: \??\PIPE\kubcOsDvQgfuXYHLQBUx
2025-07-14 13:13:18,046 [analyzer] DEBUG: Log pipe server name: \??\PIPE\EXAiSJMJKAtFifdkFVvdofZXo
2025-07-14 13:13:18,046 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-07-14 13:13:18,046 [analyzer] INFO: Automatically selected analysis package "exe"
2025-07-14 13:13:18,483 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-14 13:13:18,500 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-14 13:13:19,405 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-14 13:13:19,640 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-14 13:13:19,640 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-14 13:13:19,640 [analyzer] DEBUG: Started auxiliary module Human
2025-07-14 13:13:19,640 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-14 13:13:19,655 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-14 13:13:19,765 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-14 13:13:19,765 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-14 13:13:19,765 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-14 13:13:19,765 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-14 13:13:19,953 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\a1378d16cf226114_backup.exe' with arguments '' and pid 2060
2025-07-14 13:13:20,171 [analyzer] DEBUG: Loaded monitor into process with pid 2060
2025-07-14 13:13:20,296 [analyzer] INFO: Added new file to list with pid 2060 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-07-14 13:13:20,312 [analyzer] INFO: Added new file to list with pid 2060 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-07-14 13:13:20,421 [analyzer] INFO: Injected into process with pid 348 and name ''
2025-07-14 13:13:20,592 [analyzer] DEBUG: Loaded monitor into process with pid 348
2025-07-14 13:13:20,687 [analyzer] INFO: Added new file to list with pid 2060 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
2025-07-14 13:13:20,796 [analyzer] INFO: Added new file to list with pid 2060 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
2025-07-14 13:13:21,687 [analyzer] INFO: Added new file to list with pid 348 and path C:\System Restore.exe
2025-07-14 13:16:38,983 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-14 13:16:40,108 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-14 13:16:40,108 [lib.api.process] INFO: Successfully terminated process with pid 2060.
2025-07-14 13:16:40,108 [lib.api.process] INFO: Successfully terminated process with pid 348.
2025-07-14 13:16:40,125 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-18 15:33:48,834 [cuckoo.core.scheduler] INFO: Task #6732400: acquired machine win7x645 (label=win7x645)
2025-07-18 15:33:48,835 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.205 for task #6732400
2025-07-18 15:33:49,173 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 2775200 (interface=vboxnet0, host=192.168.168.205)
2025-07-18 15:33:49,250 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x645
2025-07-18 15:33:50,323 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x645 to vmcloak
2025-07-18 15:35:06,703 [cuckoo.core.guest] INFO: Starting analysis #6732400 on guest (id=win7x645, ip=192.168.168.205)
2025-07-18 15:35:07,709 [cuckoo.core.guest] DEBUG: win7x645: not ready yet
2025-07-18 15:35:13,070 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x645, ip=192.168.168.205)
2025-07-18 15:35:13,190 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x645, ip=192.168.168.205, monitor=latest, size=6660546)
2025-07-18 15:35:15,125 [cuckoo.core.resultserver] DEBUG: Task #6732400: live log analysis.log initialized.
2025-07-18 15:35:16,729 [cuckoo.core.resultserver] DEBUG: Task #6732400 is sending a BSON stream
2025-07-18 15:35:17,249 [cuckoo.core.resultserver] DEBUG: Task #6732400 is sending a BSON stream
2025-07-18 15:35:17,665 [cuckoo.core.resultserver] DEBUG: Task #6732400 is sending a BSON stream
2025-07-18 15:35:18,059 [cuckoo.core.resultserver] DEBUG: Task #6732400: File upload for 'shots/0001.jpg'
2025-07-18 15:35:18,081 [cuckoo.core.resultserver] DEBUG: Task #6732400 uploaded file length: 133469
2025-07-18 15:35:29,702 [cuckoo.core.guest] DEBUG: win7x645: analysis #6732400 still processing
2025-07-18 15:35:44,920 [cuckoo.core.guest] DEBUG: win7x645: analysis #6732400 still processing
2025-07-18 15:36:00,121 [cuckoo.core.guest] DEBUG: win7x645: analysis #6732400 still processing
2025-07-18 15:36:15,290 [cuckoo.core.guest] DEBUG: win7x645: analysis #6732400 still processing
2025-07-18 15:36:30,539 [cuckoo.core.guest] DEBUG: win7x645: analysis #6732400 still processing
2025-07-18 15:36:45,858 [cuckoo.core.guest] DEBUG: win7x645: analysis #6732400 still processing
2025-07-18 15:37:01,037 [cuckoo.core.guest] DEBUG: win7x645: analysis #6732400 still processing
2025-07-18 15:37:16,265 [cuckoo.core.guest] DEBUG: win7x645: analysis #6732400 still processing
2025-07-18 15:37:31,405 [cuckoo.core.guest] DEBUG: win7x645: analysis #6732400 still processing
2025-07-18 15:37:46,625 [cuckoo.core.guest] DEBUG: win7x645: analysis #6732400 still processing
2025-07-18 15:38:01,734 [cuckoo.core.guest] DEBUG: win7x645: analysis #6732400 still processing
2025-07-18 15:38:16,822 [cuckoo.core.guest] DEBUG: win7x645: analysis #6732400 still processing
2025-07-18 15:38:32,002 [cuckoo.core.guest] DEBUG: win7x645: analysis #6732400 still processing
2025-07-18 15:38:36,344 [cuckoo.core.resultserver] DEBUG: Task #6732400: File upload for 'curtain/1752491799.16.curtain.log'
2025-07-18 15:38:36,346 [cuckoo.core.resultserver] DEBUG: Task #6732400 uploaded file length: 36
2025-07-18 15:38:36,994 [cuckoo.core.resultserver] DEBUG: Task #6732400: File upload for 'sysmon/1752491799.8.sysmon.xml'
2025-07-18 15:38:37,652 [cuckoo.core.resultserver] DEBUG: Task #6732400 had connection reset for <Context for LOG>
2025-07-18 15:38:37,994 [cuckoo.core.resultserver] DEBUG: Task #6732400 uploaded file length: 9804760
2025-07-18 15:38:38,049 [cuckoo.core.guest] INFO: win7x645: analysis completed successfully
2025-07-18 15:38:38,064 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-18 15:38:38,090 [cuckoo.core.resultserver] DEBUG: Task #6732400: File upload for 'files/ffd61ecc9f3c0b66_backup.exe'
2025-07-18 15:38:38,092 [cuckoo.core.resultserver] DEBUG: Task #6732400 uploaded file length: 90304
2025-07-18 15:38:38,096 [cuckoo.core.resultserver] DEBUG: Task #6732400: File upload for 'files/f5402a539514d9ed_system restore.exe'
2025-07-18 15:38:38,098 [cuckoo.core.resultserver] DEBUG: Task #6732400 uploaded file length: 90306
2025-07-18 15:38:38,107 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-18 15:38:39,245 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x645 to path /srv/cuckoo/cwd/storage/analyses/6732400/memory.dmp
2025-07-18 15:38:39,247 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x645
2025-07-18 15:40:53,093 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.205 for task #6732400
2025-07-18 15:40:53,474 [cuckoo.core.scheduler] DEBUG: Released database task #6732400
2025-07-18 15:40:53,612 [cuckoo.core.scheduler] INFO: Task #6732400: analysis procedure completed

Signatures

Yara rules detected for file (2 events)
description (no description) rule UPX
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:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\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:\System Restore.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: 2060
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'0x00003e00', u'virtual_address': u'0x00011000', u'entropy': 7.804677160000422, u'name': u'UPX1', u'virtual_size': u'0x00004000'} entropy 7.80467716 description A section with a high entropy has been found
entropy 0.392405063291 description Overall entropy of this PE file is high
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.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
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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