Summary

7aedcf8e586fa034_backup.exe

File 7aedcf8e586fa034_backup.exe

Summary
Download Resubmit sample

Size 88.2KB
Type PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
MD5 a911d1c39829dc734f918c05092de984
SHA1 d13c1356e4de934cf8c020df96e3aade1382d3d3
SHA256 7aedcf8e586fa034d23bf0f6a6e3b691a4cf7b690f405f20669a27f09908e8b4
SHA512
9b9c21ef73c089c83309948ab7dd88cee2ed8a28bd7a61f68be80a8c97580152f99f0ae7b39905ba6a88bc3d4691305bdd44ba2d6114146b0647669046d63264
CRC32 74859849
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:6705116

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 18, 2025, 3:34 p.m. July 18, 2025, 3:41 p.m. 392 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-14 13:13:37,015 [analyzer] DEBUG: Starting analyzer from: C:\tmp564etj
2025-07-14 13:13:37,030 [analyzer] DEBUG: Pipe server name: \??\PIPE\VYWutlgppFqGPmdll
2025-07-14 13:13:37,030 [analyzer] DEBUG: Log pipe server name: \??\PIPE\ooRVWCUykuBEvDBSggJQHrHp
2025-07-14 13:13:37,030 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-07-14 13:13:37,030 [analyzer] INFO: Automatically selected analysis package "exe"
2025-07-14 13:13:37,453 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-14 13:13:37,453 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-14 13:13:37,953 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-14 13:13:38,203 [analyzer] DEBUG: Loaded monitor into process with pid 508
2025-07-14 13:13:38,203 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-14 13:13:38,203 [analyzer] DEBUG: Started auxiliary module Human
2025-07-14 13:13:38,203 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-14 13:13:38,203 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-14 13:13:38,280 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-14 13:13:38,280 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-14 13:13:38,280 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-14 13:13:38,280 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-14 13:13:38,405 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\7aedcf8e586fa034_backup.exe' with arguments '' and pid 1308
2025-07-14 13:13:38,608 [analyzer] DEBUG: Loaded monitor into process with pid 1308
2025-07-14 13:13:38,687 [analyzer] INFO: Added new file to list with pid 1308 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-07-14 13:13:38,703 [analyzer] INFO: Added new file to list with pid 1308 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-07-14 13:13:38,796 [analyzer] INFO: Injected into process with pid 2328 and name ''
2025-07-14 13:13:38,967 [analyzer] DEBUG: Loaded monitor into process with pid 2328
2025-07-14 13:13:39,062 [analyzer] INFO: Added new file to list with pid 1308 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
2025-07-14 13:13:39,140 [analyzer] INFO: Added new file to list with pid 1308 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
2025-07-14 13:13:40,030 [analyzer] INFO: Added new file to list with pid 2328 and path C:\update.exe
2025-07-14 13:16:57,405 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-14 13:16:58,780 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-14 13:16:58,780 [lib.api.process] INFO: Successfully terminated process with pid 1308.
2025-07-14 13:16:58,780 [lib.api.process] INFO: Successfully terminated process with pid 2328.
2025-07-14 13:16:58,796 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-18 15:34:41,589 [cuckoo.core.scheduler] INFO: Task #6732402: acquired machine win7x6419 (label=win7x6419)
2025-07-18 15:34:41,590 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.219 for task #6732402
2025-07-18 15:34:41,947 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 2776754 (interface=vboxnet0, host=192.168.168.219)
2025-07-18 15:34:42,042 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6419
2025-07-18 15:34:43,273 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6419 to vmcloak
2025-07-18 15:35:31,167 [cuckoo.core.guest] INFO: Starting analysis #6732402 on guest (id=win7x6419, ip=192.168.168.219)
2025-07-18 15:35:32,172 [cuckoo.core.guest] DEBUG: win7x6419: not ready yet
2025-07-18 15:35:37,250 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6419, ip=192.168.168.219)
2025-07-18 15:35:37,350 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6419, ip=192.168.168.219, monitor=latest, size=6660546)
2025-07-18 15:35:38,761 [cuckoo.core.resultserver] DEBUG: Task #6732402: live log analysis.log initialized.
2025-07-18 15:35:39,913 [cuckoo.core.resultserver] DEBUG: Task #6732402 is sending a BSON stream
2025-07-18 15:35:40,304 [cuckoo.core.resultserver] DEBUG: Task #6732402 is sending a BSON stream
2025-07-18 15:35:40,663 [cuckoo.core.resultserver] DEBUG: Task #6732402 is sending a BSON stream
2025-07-18 15:35:41,174 [cuckoo.core.resultserver] DEBUG: Task #6732402: File upload for 'shots/0001.jpg'
2025-07-18 15:35:41,187 [cuckoo.core.resultserver] DEBUG: Task #6732402 uploaded file length: 133554
2025-07-18 15:35:53,731 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6732402 still processing
2025-07-18 15:36:08,918 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6732402 still processing
2025-07-18 15:36:24,074 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6732402 still processing
2025-07-18 15:36:39,219 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6732402 still processing
2025-07-18 15:36:54,345 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6732402 still processing
2025-07-18 15:37:09,626 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6732402 still processing
2025-07-18 15:37:24,719 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6732402 still processing
2025-07-18 15:37:39,890 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6732402 still processing
2025-07-18 15:37:55,095 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6732402 still processing
2025-07-18 15:38:10,202 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6732402 still processing
2025-07-18 15:38:25,308 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6732402 still processing
2025-07-18 15:38:40,393 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6732402 still processing
2025-07-18 15:38:55,488 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6732402 still processing
2025-07-18 15:38:59,385 [cuckoo.core.resultserver] DEBUG: Task #6732402: File upload for 'curtain/1752491817.59.curtain.log'
2025-07-18 15:38:59,388 [cuckoo.core.resultserver] DEBUG: Task #6732402 uploaded file length: 36
2025-07-18 15:39:00,175 [cuckoo.core.resultserver] DEBUG: Task #6732402: File upload for 'sysmon/1752491818.34.sysmon.xml'
2025-07-18 15:39:00,583 [cuckoo.core.resultserver] DEBUG: Task #6732402 uploaded file length: 11163524
2025-07-18 15:39:00,630 [cuckoo.core.resultserver] DEBUG: Task #6732402: File upload for 'files/03ae3518bab65552_backup.exe'
2025-07-18 15:39:00,645 [cuckoo.core.resultserver] DEBUG: Task #6732402: File upload for 'files/153d46a9c0b94269_update.exe'
2025-07-18 15:39:00,649 [cuckoo.core.resultserver] DEBUG: Task #6732402: File upload for 'files/0308f3c18fc97492_backup.exe'
2025-07-18 15:39:00,652 [cuckoo.core.resultserver] DEBUG: Task #6732402 uploaded file length: 90330
2025-07-18 15:39:00,655 [cuckoo.core.resultserver] DEBUG: Task #6732402 uploaded file length: 90328
2025-07-18 15:39:00,662 [cuckoo.core.resultserver] DEBUG: Task #6732402 had connection reset for <Context for LOG>
2025-07-18 15:39:00,747 [cuckoo.core.resultserver] DEBUG: Task #6732402 uploaded file length: 90328
2025-07-18 15:39:01,519 [cuckoo.core.guest] INFO: win7x6419: analysis completed successfully
2025-07-18 15:39:01,532 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-18 15:39:01,553 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-18 15:39:02,593 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6419 to path /srv/cuckoo/cwd/storage/analyses/6732402/memory.dmp
2025-07-18 15:39:02,594 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6419
2025-07-18 15:41:13,399 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.219 for task #6732402
2025-07-18 15:41:13,907 [cuckoo.core.scheduler] DEBUG: Released database task #6732402
2025-07-18 15:41:13,929 [cuckoo.core.scheduler] INFO: Task #6732402: 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:\update.exe
file C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.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: 1308
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'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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