Summary

fd4812987e1dc2a9_ahnsvc.exe

File fd4812987e1dc2a9_ahnsvc.exe

Summary
Download Resubmit sample

Size 60.2KB
Type PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed
MD5 3815451bc0066ecccf6547efd9fec2e4
SHA1 331112d10616acd012809cf1d146a630795b0283
SHA256 fd4812987e1dc2a9f867b7ca582a2ceaaa9beeaa26fedc43ddedf63ad4964db7
SHA512
dcbc27c4ca1b269f79ced994fecfb6da335defeac74d76064a049442743cf7f0afa531bfa1eefeb3ec918197b40a2407b3fcd6c315728ea6dbf3cd5ae682e64a
CRC32 144692C5
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:6772907

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 31, 2025, 1:03 a.m. July 31, 2025, 1:11 a.m. 481 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-27 16:00:34,000 [analyzer] DEBUG: Starting analyzer from: C:\tmpj6atou
2025-07-27 16:00:34,015 [analyzer] DEBUG: Pipe server name: \??\PIPE\diFpeURLmxtnxiPjdELxpeNwZqniKoSH
2025-07-27 16:00:34,015 [analyzer] DEBUG: Log pipe server name: \??\PIPE\CTWWJTHapsWgnlUOylKmfvWzgVw
2025-07-27 16:00:34,015 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-07-27 16:00:34,015 [analyzer] INFO: Automatically selected analysis package "exe"
2025-07-27 16:00:34,312 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-27 16:00:34,312 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-27 16:00:34,796 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-27 16:00:35,000 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-27 16:00:35,000 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-27 16:00:35,000 [analyzer] DEBUG: Started auxiliary module Human
2025-07-27 16:00:35,000 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-27 16:00:35,000 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-27 16:00:35,062 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-27 16:00:35,062 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-27 16:00:35,062 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-27 16:00:35,062 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-27 16:00:35,203 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\fd4812987e1dc2a9_ahnsvc.exe' with arguments '' and pid 216
2025-07-27 16:00:35,375 [analyzer] DEBUG: Loaded monitor into process with pid 216
2025-07-27 16:00:35,405 [analyzer] INFO: Added new file to list with pid 216 and path C:\ProgramData\AhnLab\AhnSvc.exe
2025-07-27 16:00:35,483 [analyzer] INFO: Injected into process with pid 1512 and name u'AhnSvc.exe'
2025-07-27 16:00:35,625 [analyzer] DEBUG: Loaded monitor into process with pid 1512
2025-07-27 16:00:35,655 [analyzer] INFO: Added pid 1512 for u'C:\\ProgramData\\AhnLab\\AhnSvc.exe'
2025-07-27 16:00:35,655 [analyzer] INFO: Added new file to list with pid 1512 and path C:\ProgramData\AhnLab\AhnSvc.exe
2025-07-27 16:01:06,280 [analyzer] INFO: Injected into process with pid 1264 and name u'cmd.exe'
2025-07-27 16:01:06,530 [analyzer] DEBUG: Loaded monitor into process with pid 1264
2025-07-27 16:01:07,203 [analyzer] INFO: Process with pid 216 has terminated
2025-07-27 16:01:07,203 [analyzer] INFO: Process with pid 1264 has terminated
2025-07-27 16:03:54,203 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-27 16:03:55,217 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-27 16:03:55,217 [lib.api.process] INFO: Successfully terminated process with pid 1512.
2025-07-27 16:03:55,250 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-31 01:03:53,378 [cuckoo.core.scheduler] INFO: Task #6792699: acquired machine win7x6416 (label=win7x6416)
2025-07-31 01:03:53,378 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.216 for task #6792699
2025-07-31 01:03:54,215 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 2597380 (interface=vboxnet0, host=192.168.168.216)
2025-07-31 01:03:54,310 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6416
2025-07-31 01:03:55,316 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6416 to vmcloak
2025-07-31 01:06:23,714 [cuckoo.core.guest] INFO: Starting analysis #6792699 on guest (id=win7x6416, ip=192.168.168.216)
2025-07-31 01:06:24,719 [cuckoo.core.guest] DEBUG: win7x6416: not ready yet
2025-07-31 01:06:29,740 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6416, ip=192.168.168.216)
2025-07-31 01:06:29,843 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6416, ip=192.168.168.216, monitor=latest, size=6660546)
2025-07-31 01:06:31,045 [cuckoo.core.resultserver] DEBUG: Task #6792699: live log analysis.log initialized.
2025-07-31 01:06:31,998 [cuckoo.core.resultserver] DEBUG: Task #6792699 is sending a BSON stream
2025-07-31 01:06:32,841 [cuckoo.core.resultserver] DEBUG: Task #6792699 is sending a BSON stream
2025-07-31 01:06:32,863 [cuckoo.core.resultserver] DEBUG: Task #6792699 is sending a BSON stream
2025-07-31 01:06:33,242 [cuckoo.core.resultserver] DEBUG: Task #6792699: File upload for 'shots/0001.jpg'
2025-07-31 01:06:33,510 [cuckoo.core.resultserver] DEBUG: Task #6792699 uploaded file length: 133555
2025-07-31 01:06:46,634 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6792699 still processing
2025-07-31 01:07:03,238 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6792699 still processing
2025-07-31 01:07:03,515 [cuckoo.core.resultserver] DEBUG: Task #6792699 is sending a BSON stream
2025-07-31 01:07:03,614 [cuckoo.core.resultserver] DEBUG: Task #6792699: File upload for 'files/fd4812987e1dc2a9_fd4812987e1dc2a9_ahnsvc.exe'
2025-07-31 01:07:03,617 [cuckoo.core.resultserver] DEBUG: Task #6792699 uploaded file length: 61601
2025-07-31 01:07:19,147 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6792699 still processing
2025-07-31 01:07:34,946 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6792699 still processing
2025-07-31 01:07:50,273 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6792699 still processing
2025-07-31 01:08:06,227 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6792699 still processing
2025-07-31 01:08:21,355 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6792699 still processing
2025-07-31 01:08:36,439 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6792699 still processing
2025-07-31 01:08:52,025 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6792699 still processing
2025-07-31 01:09:07,619 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6792699 still processing
2025-07-31 01:09:22,732 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6792699 still processing
2025-07-31 01:09:38,369 [cuckoo.core.guest] DEBUG: win7x6416: analysis #6792699 still processing
2025-07-31 01:09:51,472 [cuckoo.core.resultserver] DEBUG: Task #6792699: File upload for 'curtain/1753625034.41.curtain.log'
2025-07-31 01:09:51,475 [cuckoo.core.resultserver] DEBUG: Task #6792699 uploaded file length: 36
2025-07-31 01:09:52,232 [cuckoo.core.resultserver] DEBUG: Task #6792699: File upload for 'sysmon/1753625035.16.sysmon.xml'
2025-07-31 01:09:52,290 [cuckoo.core.resultserver] DEBUG: Task #6792699 uploaded file length: 10702268
2025-07-31 01:09:52,308 [cuckoo.core.resultserver] DEBUG: Task #6792699: File upload for 'files/3d3acc7d2ff1b97c_ahnsvc.exe_'
2025-07-31 01:09:52,311 [cuckoo.core.resultserver] DEBUG: Task #6792699: File upload for 'files/fb485afc392c56b4_ahnsvc.exe'
2025-07-31 01:09:52,313 [cuckoo.core.resultserver] DEBUG: Task #6792699 uploaded file length: 61606
2025-07-31 01:09:52,315 [cuckoo.core.resultserver] DEBUG: Task #6792699 uploaded file length: 61605
2025-07-31 01:09:52,380 [cuckoo.core.resultserver] DEBUG: Task #6792699 had connection reset for <Context for LOG>
2025-07-31 01:09:53,734 [cuckoo.core.guest] INFO: win7x6416: analysis completed successfully
2025-07-31 01:09:53,747 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-31 01:09:53,765 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-31 01:09:55,467 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6416 to path /srv/cuckoo/cwd/storage/analyses/6792699/memory.dmp
2025-07-31 01:09:55,471 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6416
2025-07-31 01:11:53,963 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.216 for task #6792699
2025-07-31 01:11:54,322 [cuckoo.core.scheduler] DEBUG: Released database task #6792699
2025-07-31 01:11:54,347 [cuckoo.core.scheduler] INFO: Task #6792699: 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
Queries for the computername (2 events)
Time & API Arguments Status Return Repeated

GetComputerNameA

 computer_name: EVFCMAMUUDLFL
1 1 0

GetComputerNameA

 computer_name: EVFCMAMUUDLFL
1 1 0
Creates executable files on the filesystem (1 event)
file C:\ProgramData\AhnLab\AhnSvc.exe
Creates a suspicious process (2 events)
cmdline C:\Windows\System32\cmd.exe /c del /q "C:\Users\Administrator\AppData\Local\Temp\fd4812987e1dc2a9_ahnsvc.exe" >> NUL
cmdline "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Administrator\AppData\Local\Temp\fd4812987e1dc2a9_ahnsvc.exe" >> NUL
Drops an executable to the user AppData folder (1 event)
file C:\Users\Administrator\AppData\Local\Temp\fd4812987e1dc2a9_ahnsvc.exe
A process created a hidden window (1 event)
Time & API Arguments Status Return Repeated

ShellExecuteExW

 show_type: 0
filepath_r: C:\Windows\system32\cmd.exe
parameters: /c del /q "C:\Users\Administrator\AppData\Local\Temp\fd4812987e1dc2a9_ahnsvc.exe" >> NUL
filepath: C:\Windows\System32\cmd.exe
1 1 0
The binary likely contains encrypted or compressed data indicative of a packer (2 events)
section {u'size_of_data': u'0x0000d400', u'virtual_address': u'0x00018000', u'entropy': 7.968099260252522, u'name': u'UPX1', u'virtual_size': u'0x0000e000'} entropy 7.96809926025 description A section with a high entropy has been found
entropy 0.990654205607 description Overall entropy of this PE file is high
Checks for the Locally Unique Identifier on the system for a suspicious privilege (2 events)
Time & API Arguments Status Return Repeated

LookupPrivilegeValueW

 system_name:
privilege_name: SeDebugPrivilege
1 1 0

LookupPrivilegeValueW

 system_name:
privilege_name: SeDebugPrivilege
1 1 0
The executable is compressed using UPX (3 events)
section UPX0 description Section name indicates UPX
section UPX1 description Section name indicates UPX
section UPX2 description Section name indicates UPX
Uses Windows utilities for basic Windows functionality (2 events)
cmdline C:\Windows\System32\cmd.exe /c del /q "C:\Users\Administrator\AppData\Local\Temp\fd4812987e1dc2a9_ahnsvc.exe" >> NUL
cmdline "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Administrator\AppData\Local\Temp\fd4812987e1dc2a9_ahnsvc.exe" >> NUL
Installs itself for autorun at Windows startup (1 event)
reg_key HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AhnUpadate reg_value "C:\ProgramData\AhnLab\AhnSvc.exe" /run
Deletes executed files from disk (1 event)
file C:\Users\Administrator\AppData\Local\Temp\fd4812987e1dc2a9_ahnsvc.exe
File has been identified by 13 AntiVirus engine on IRMA as malicious (13 events)
G Data Antivirus (Windows) Virus: Generic.Dacic.222C339A.A.B34E8ED8 (Engine A)
Avast Core Security (Linux) Win32:MalwareX-gen [Bd]
C4S ClamAV (Linux) Win.Spyware.Dacic-10032147-0
Trend Micro SProtect (Linux) TrojanSpy.Win32.KEYDOOR.SM
Trellix (Linux) GenericRXKA-VV
WithSecure (Linux) Trojan.TR/Dropper.Gen
eScan Antivirus (Linux) Generic.Dacic.222C339A.A.B34E8ED8(DB)
ESET Security (Windows) Win32/Spy.Keydoor.AD trojan
Sophos Anti-Virus (Linux) Mal/Behav-031
DrWeb Antivirus (Linux) Trojan.Siggen6.34441
Bitdefender Antivirus (Linux) Generic.Dacic.222C339A.A.B34E8ED8
Kaspersky Standard (Windows) Trojan.Win32.Scar.ojnn
Emsisoft Commandline Scanner (Windows) Generic.Dacic.222C339A.A.B34E8ED8 (B)
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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