Summary

664717636b729636_backup.exe

File 664717636b729636_backup.exe

Summary
Download Resubmit sample

Size 122.8KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 414d2cdc97352341ef22095cb529d0be
SHA1 fdea376bfd53f6707ea9c06eef17c1b4b403bd4f
SHA256 664717636b729636dd91f504edf1b41b590422b15f293ec424bf5cacc1149290
SHA512
18ea80bc3f96dac0d33412c9c66bb91d304f06c07488939afdfbf6fe78eacad3583ecbc449ce936a0439ab3cf9a5b0345bb3d398bb470d07dc3f4d13a4ee8508
CRC32 39AD612B
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:6684657

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 16, 2025, 3:37 p.m. July 16, 2025, 3:45 p.m. 510 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-11 09:02:49,015 [analyzer] DEBUG: Starting analyzer from: C:\tmpdrdvpd
2025-07-11 09:02:49,015 [analyzer] DEBUG: Pipe server name: \??\PIPE\epKKOtOEtWaNGgAWCakZiaukqV
2025-07-11 09:02:49,015 [analyzer] DEBUG: Log pipe server name: \??\PIPE\WTKDGTkMvLNzMTgXJxJRmdZODgWs
2025-07-11 09:02:49,030 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-07-11 09:02:49,030 [analyzer] INFO: Automatically selected analysis package "exe"
2025-07-11 09:02:49,375 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-11 09:02:49,375 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-11 09:02:49,780 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-11 09:02:49,967 [analyzer] DEBUG: Loaded monitor into process with pid 508
2025-07-11 09:02:49,967 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-11 09:02:49,967 [analyzer] DEBUG: Started auxiliary module Human
2025-07-11 09:02:49,967 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-11 09:02:49,967 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-11 09:02:50,046 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-11 09:02:50,046 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-11 09:02:50,062 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-11 09:02:50,062 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-11 09:02:50,171 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\664717636b729636_backup.exe' with arguments '' and pid 2312
2025-07-11 09:02:50,375 [analyzer] DEBUG: Loaded monitor into process with pid 2312
2025-07-11 09:02:50,437 [analyzer] INFO: Added new file to list with pid 2312 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-07-11 09:02:50,453 [analyzer] INFO: Added new file to list with pid 2312 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-07-11 09:02:50,515 [analyzer] INFO: Injected into process with pid 1164 and name ''
2025-07-11 09:02:50,671 [analyzer] DEBUG: Loaded monitor into process with pid 1164
2025-07-11 09:02:50,733 [analyzer] INFO: Added new file to list with pid 2312 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
2025-07-11 09:02:50,812 [analyzer] INFO: Added new file to list with pid 2312 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
2025-07-11 09:02:51,717 [analyzer] INFO: Added new file to list with pid 1164 and path C:\backup.exe
2025-07-11 09:06:09,171 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-11 09:06:10,437 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-11 09:06:10,453 [lib.api.process] INFO: Successfully terminated process with pid 2312.
2025-07-11 09:06:10,453 [lib.api.process] INFO: Successfully terminated process with pid 1164.
2025-07-11 09:06:10,467 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-16 15:37:25,277 [cuckoo.core.scheduler] DEBUG: Task #6719626: no machine available yet
2025-07-16 15:37:26,308 [cuckoo.core.scheduler] DEBUG: Task #6719626: no machine available yet
2025-07-16 15:37:27,338 [cuckoo.core.scheduler] DEBUG: Task #6719626: no machine available yet
2025-07-16 15:37:28,767 [cuckoo.core.scheduler] DEBUG: Task #6719626: no machine available yet
2025-07-16 15:37:29,972 [cuckoo.core.scheduler] DEBUG: Task #6719626: no machine available yet
2025-07-16 15:37:30,991 [cuckoo.core.scheduler] DEBUG: Task #6719626: no machine available yet
2025-07-16 15:37:32,032 [cuckoo.core.scheduler] DEBUG: Task #6719626: no machine available yet
2025-07-16 15:37:33,059 [cuckoo.core.scheduler] DEBUG: Task #6719626: no machine available yet
2025-07-16 15:37:34,082 [cuckoo.core.scheduler] DEBUG: Task #6719626: no machine available yet
2025-07-16 15:37:35,099 [cuckoo.core.scheduler] DEBUG: Task #6719626: no machine available yet
2025-07-16 15:37:36,182 [cuckoo.core.scheduler] DEBUG: Task #6719626: no machine available yet
2025-07-16 15:37:37,422 [cuckoo.core.scheduler] DEBUG: Task #6719626: no machine available yet
2025-07-16 15:37:38,459 [cuckoo.core.scheduler] INFO: Task #6719626: acquired machine win7x6412 (label=win7x6412)
2025-07-16 15:37:38,460 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.212 for task #6719626
2025-07-16 15:37:39,160 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 2427548 (interface=vboxnet0, host=192.168.168.212)
2025-07-16 15:37:39,385 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6412
2025-07-16 15:37:41,280 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6412 to vmcloak
2025-07-16 15:39:56,379 [cuckoo.core.guest] INFO: Starting analysis #6719626 on guest (id=win7x6412, ip=192.168.168.212)
2025-07-16 15:39:57,385 [cuckoo.core.guest] DEBUG: win7x6412: not ready yet
2025-07-16 15:40:02,412 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6412, ip=192.168.168.212)
2025-07-16 15:40:02,484 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6412, ip=192.168.168.212, monitor=latest, size=6660546)
2025-07-16 15:40:03,727 [cuckoo.core.resultserver] DEBUG: Task #6719626: live log analysis.log initialized.
2025-07-16 15:40:04,631 [cuckoo.core.resultserver] DEBUG: Task #6719626 is sending a BSON stream
2025-07-16 15:40:05,115 [cuckoo.core.resultserver] DEBUG: Task #6719626 is sending a BSON stream
2025-07-16 15:40:05,411 [cuckoo.core.resultserver] DEBUG: Task #6719626 is sending a BSON stream
2025-07-16 15:40:05,868 [cuckoo.core.resultserver] DEBUG: Task #6719626: File upload for 'shots/0001.jpg'
2025-07-16 15:40:05,892 [cuckoo.core.resultserver] DEBUG: Task #6719626 uploaded file length: 133458
2025-07-16 15:40:18,767 [cuckoo.core.guest] DEBUG: win7x6412: analysis #6719626 still processing
2025-07-16 15:40:34,150 [cuckoo.core.guest] DEBUG: win7x6412: analysis #6719626 still processing
2025-07-16 15:40:49,505 [cuckoo.core.guest] DEBUG: win7x6412: analysis #6719626 still processing
2025-07-16 15:41:04,664 [cuckoo.core.guest] DEBUG: win7x6412: analysis #6719626 still processing
2025-07-16 15:41:19,821 [cuckoo.core.guest] DEBUG: win7x6412: analysis #6719626 still processing
2025-07-16 15:41:35,150 [cuckoo.core.guest] DEBUG: win7x6412: analysis #6719626 still processing
2025-07-16 15:41:50,247 [cuckoo.core.guest] DEBUG: win7x6412: analysis #6719626 still processing
2025-07-16 15:42:05,853 [cuckoo.core.guest] DEBUG: win7x6412: analysis #6719626 still processing
2025-07-16 15:42:21,019 [cuckoo.core.guest] DEBUG: win7x6412: analysis #6719626 still processing
2025-07-16 15:42:36,718 [cuckoo.core.guest] DEBUG: win7x6412: analysis #6719626 still processing
2025-07-16 15:42:52,139 [cuckoo.core.guest] DEBUG: win7x6412: analysis #6719626 still processing
2025-07-16 15:43:07,650 [cuckoo.core.guest] DEBUG: win7x6412: analysis #6719626 still processing
2025-07-16 15:43:22,909 [cuckoo.core.guest] DEBUG: win7x6412: analysis #6719626 still processing
2025-07-16 15:43:24,115 [cuckoo.core.resultserver] DEBUG: Task #6719626: File upload for 'curtain/1752217569.38.curtain.log'
2025-07-16 15:43:24,118 [cuckoo.core.resultserver] DEBUG: Task #6719626 uploaded file length: 36
2025-07-16 15:43:25,068 [cuckoo.core.resultserver] DEBUG: Task #6719626: File upload for 'sysmon/1752217570.34.sysmon.xml'
2025-07-16 15:43:25,174 [cuckoo.core.resultserver] DEBUG: Task #6719626 uploaded file length: 11740150
2025-07-16 15:43:25,194 [cuckoo.core.resultserver] DEBUG: Task #6719626: File upload for 'files/2fbed8999fce02f9_backup.exe'
2025-07-16 15:43:25,209 [cuckoo.core.resultserver] DEBUG: Task #6719626: File upload for 'files/f192083b140b18ea_backup.exe'
2025-07-16 15:43:25,214 [cuckoo.core.resultserver] DEBUG: Task #6719626 uploaded file length: 125722
2025-07-16 15:43:25,217 [cuckoo.core.resultserver] DEBUG: Task #6719626 uploaded file length: 125724
2025-07-16 15:43:25,227 [cuckoo.core.resultserver] DEBUG: Task #6719626 had connection reset for <Context for LOG>
2025-07-16 15:43:25,921 [cuckoo.core.guest] INFO: win7x6412: analysis completed successfully
2025-07-16 15:43:25,938 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-16 15:43:26,011 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-16 15:43:27,526 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6412 to path /srv/cuckoo/cwd/storage/analyses/6719626/memory.dmp
2025-07-16 15:43:27,527 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6412
2025-07-16 15:45:55,296 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.212 for task #6719626
2025-07-16 15:45:55,693 [cuckoo.core.scheduler] DEBUG: Released database task #6719626
2025-07-16 15:45:55,711 [cuckoo.core.scheduler] INFO: Task #6719626: 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: 2312
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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