Summary

528aabda36719c58_microsofthelp.exe

File 528aabda36719c58_microsofthelp.exe

Summary
Download Resubmit sample

Size 127.3KB
Type MS-DOS executable PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, MZ for MS-DOS
MD5 544a04e46551741ae9be161554913a54
SHA1 7557b7690c536369ead10382394b564773d9407d
SHA256 528aabda36719c58e2731ac27357d495eb2fe00efd6f770d8ecca7d406d06dcc
SHA512
1f4c5d2614860b8726fdb3956fd81a3aab0725eb747cd968e30f831610eb8df9e94d978db6000b3d02e9d1dc115296d890eb874ed2f583b4c490e320259c9d21
CRC32 29B76141
ssdeep None
Yara
  • UPX - (no description)
  • suspicious_packer_section - The packer/protector section names/keywords
  • win_mutex - Create or check mutex
  • win_registry - Affect system registries
  • win_files_operation - Affect private profile

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:6700386

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 17, 2025, 4:14 p.m. July 17, 2025, 4:23 p.m. 535 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-13 19:34:18,015 [analyzer] DEBUG: Starting analyzer from: C:\tmpblqbwr
2025-07-13 19:34:18,015 [analyzer] DEBUG: Pipe server name: \??\PIPE\RTlnmxqHYWPjZCMUFuLW
2025-07-13 19:34:18,015 [analyzer] DEBUG: Log pipe server name: \??\PIPE\bjGweqEzxTVOJEhueHRQPyBh
2025-07-13 19:34:18,015 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-07-13 19:34:18,015 [analyzer] INFO: Automatically selected analysis package "exe"
2025-07-13 19:34:18,375 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-13 19:34:18,375 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-13 19:34:19,046 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-13 19:34:19,250 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-13 19:34:19,250 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-13 19:34:19,250 [analyzer] DEBUG: Started auxiliary module Human
2025-07-13 19:34:19,250 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-13 19:34:19,265 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-13 19:34:19,312 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-13 19:34:19,328 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-13 19:34:19,328 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-13 19:34:19,328 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-13 19:34:19,467 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\528aabda36719c58_microsofthelp.exe' with arguments '' and pid 1496
2025-07-13 19:34:19,687 [analyzer] DEBUG: Loaded monitor into process with pid 1496
2025-07-13 19:34:19,687 [analyzer] INFO: Added new file to list with pid 1496 and path C:\Windows\microsofthelp.exe
2025-07-13 19:34:19,780 [analyzer] INFO: Injected into process with pid 1860 and name u'microsofthelp.exe'
2025-07-13 19:34:19,953 [analyzer] DEBUG: Loaded monitor into process with pid 1860
2025-07-13 19:34:20,467 [analyzer] INFO: Process with pid 1496 has terminated
2025-07-13 19:37:38,467 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-13 19:37:39,842 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-13 19:37:39,842 [lib.api.process] INFO: Successfully terminated process with pid 1860.
2025-07-13 19:37:39,858 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-17 16:14:58,262 [cuckoo.core.scheduler] INFO: Task #6727536: acquired machine win7x6418 (label=win7x6418)
2025-07-17 16:14:58,263 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.218 for task #6727536
2025-07-17 16:14:58,833 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 583091 (interface=vboxnet0, host=192.168.168.218)
2025-07-17 16:14:58,992 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6418
2025-07-17 16:15:00,417 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6418 to vmcloak
2025-07-17 16:17:14,118 [cuckoo.core.guest] INFO: Starting analysis #6727536 on guest (id=win7x6418, ip=192.168.168.218)
2025-07-17 16:17:15,139 [cuckoo.core.guest] DEBUG: win7x6418: not ready yet
2025-07-17 16:17:20,179 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6418, ip=192.168.168.218)
2025-07-17 16:17:20,303 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6418, ip=192.168.168.218, monitor=latest, size=6660546)
2025-07-17 16:17:21,862 [cuckoo.core.resultserver] DEBUG: Task #6727536: live log analysis.log initialized.
2025-07-17 16:17:23,073 [cuckoo.core.resultserver] DEBUG: Task #6727536 is sending a BSON stream
2025-07-17 16:17:23,473 [cuckoo.core.resultserver] DEBUG: Task #6727536 is sending a BSON stream
2025-07-17 16:17:23,754 [cuckoo.core.resultserver] DEBUG: Task #6727536 is sending a BSON stream
2025-07-17 16:17:24,360 [cuckoo.core.resultserver] DEBUG: Task #6727536: File upload for 'shots/0001.jpg'
2025-07-17 16:17:24,377 [cuckoo.core.resultserver] DEBUG: Task #6727536 uploaded file length: 133459
2025-07-17 16:17:26,073 [cuckoo.core.resultserver] DEBUG: Task #6727536: File upload for 'files/528aabda36719c58_528aabda36719c58_microsofthelp.exe'
2025-07-17 16:17:26,098 [cuckoo.core.resultserver] DEBUG: Task #6727536 uploaded file length: 130305
2025-07-17 16:17:36,605 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6727536 still processing
2025-07-17 16:17:51,977 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6727536 still processing
2025-07-17 16:18:07,074 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6727536 still processing
2025-07-17 16:18:23,707 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6727536 still processing
2025-07-17 16:18:39,114 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6727536 still processing
2025-07-17 16:18:54,387 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6727536 still processing
2025-07-17 16:19:09,527 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6727536 still processing
2025-07-17 16:19:24,733 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6727536 still processing
2025-07-17 16:19:40,445 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6727536 still processing
2025-07-17 16:19:55,655 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6727536 still processing
2025-07-17 16:20:10,775 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6727536 still processing
2025-07-17 16:20:26,101 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6727536 still processing
2025-07-17 16:20:41,337 [cuckoo.core.guest] DEBUG: win7x6418: analysis #6727536 still processing
2025-07-17 16:20:42,581 [cuckoo.core.resultserver] DEBUG: Task #6727536: File upload for 'curtain/1752428258.69.curtain.log'
2025-07-17 16:20:42,591 [cuckoo.core.resultserver] DEBUG: Task #6727536 uploaded file length: 36
2025-07-17 16:20:43,466 [cuckoo.core.resultserver] DEBUG: Task #6727536: File upload for 'sysmon/1752428259.58.sysmon.xml'
2025-07-17 16:20:43,726 [cuckoo.core.resultserver] DEBUG: Task #6727536 uploaded file length: 9974030
2025-07-17 16:20:43,745 [cuckoo.core.resultserver] DEBUG: Task #6727536: File upload for 'files/b7061f77c5a7e84a_microsofthelp.exe'
2025-07-17 16:20:43,749 [cuckoo.core.resultserver] DEBUG: Task #6727536 uploaded file length: 130565
2025-07-17 16:20:43,764 [cuckoo.core.resultserver] DEBUG: Task #6727536 had connection reset for <Context for LOG>
2025-07-17 16:20:44,372 [cuckoo.core.guest] INFO: win7x6418: analysis completed successfully
2025-07-17 16:20:44,390 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-17 16:20:44,414 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-17 16:20:46,132 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6418 to path /srv/cuckoo/cwd/storage/analyses/6727536/memory.dmp
2025-07-17 16:20:46,133 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6418
2025-07-17 16:23:46,301 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.218 for task #6727536
2025-07-17 16:23:46,686 [cuckoo.core.scheduler] DEBUG: Released database task #6727536
2025-07-17 16:23:46,699 [cuckoo.core.scheduler] INFO: Task #6727536: analysis procedure completed

Signatures

Yara rules detected for file (5 events)
description (no description) rule UPX
description The packer/protector section names/keywords rule suspicious_packer_section
description Create or check mutex rule win_mutex
description Affect system registries rule win_registry
description Affect private profile rule win_files_operation
The executable contains unknown PE section names indicative of a packer (could be a false positive) (3 events)
section .MPRESS1
section .MPRESS2
section .imports
A process attempted to delay the analysis task. (1 event)
description microsofthelp.exe tried to sleep 199 seconds, actually delayed analysis time by 199 seconds
Creates executable files on the filesystem (1 event)
file C:\Windows\microsofthelp.exe
Drops a binary and executes it (1 event)
file C:\Windows\microsofthelp.exe
Installs itself for autorun at Windows startup (1 event)
reg_key HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp reg_value C:\Windows\microsofthelp.exe
Creates an executable file in a user folder (1 event)
file C:\Users\Administrator\AppData\Local\Temp\528aabda36719c58_microsofthelp.exe
File has been identified by 12 AntiVirus engine on IRMA as malicious (12 events)
G Data Antivirus (Windows) Virus: Generic.Malware.SF.0970E096 (Engine A)
Avast Core Security (Linux) Win32:Evo-gen [Trj]
C4S ClamAV (Linux) Win.Malware.7cbdf52c-10004103-0
Trellix (Linux) Msposer
WithSecure (Linux) Trojan.TR/Downloader.Gen
eScan Antivirus (Linux) Generic.Malware.SF.0970E096(DB)
ESET Security (Windows) a variant of Win32/Agent.TLD trojan
Sophos Anti-Virus (Linux) Troj/Blihan-Gen
DrWeb Antivirus (Linux) Trojan.Siggen7.56291
ClamAV (Linux) Win.Malware.7cbdf52c-10004103-0
Bitdefender Antivirus (Linux) Generic.Malware.SF.0970E096
Emsisoft Commandline Scanner (Windows) Generic.Malware.SF.0970E096 (B)
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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