Summary

39c04065abccd35e_ahnsvc.exe_

File 39c04065abccd35e_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 440cf9139a68c7a6395a85d245f3d7fa
SHA1 264ea28f75ef6ad7371969130f0ed224b4b70f77
SHA256 39c04065abccd35e2ab276c71e73281bb746a173f134f42d63db6a59a288691c
SHA512
1a4eaa8a7f25dc9176a6a4d858eb565d1c4ed4b7b62185d813b947bd299a3d714cbbabffa7603983e6ebf07bc2ebe455f66f277ed6e67b2b886e6e37cdd997b2
CRC32 48A4FA23
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

Feedback

Expecting different results? Send us this analysis and we will inspect it. Click here

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. 487 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-27 16:00:34,015 [analyzer] DEBUG: Starting analyzer from: C:\tmpl4240h
2025-07-27 16:00:34,015 [analyzer] DEBUG: Pipe server name: \??\PIPE\fppGNheAdFAzzqVTypkpYBBdstmCLX
2025-07-27 16:00:34,015 [analyzer] DEBUG: Log pipe server name: \??\PIPE\nxwxeBbwyxOmjrXbs
2025-07-27 16:00:34,030 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-07-27 16:00:34,030 [analyzer] INFO: Automatically selected analysis package "exe"
2025-07-27 16:00:34,296 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-27 16:00:34,312 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-27 16:00:34,780 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-27 16:00:34,983 [analyzer] DEBUG: Loaded monitor into process with pid 508
2025-07-27 16:00:34,983 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-27 16:00:34,983 [analyzer] DEBUG: Started auxiliary module Human
2025-07-27 16:00:34,983 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-27 16:00:34,983 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-27 16:00:35,078 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-27 16:00:35,078 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-27 16:00:35,078 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-27 16:00:35,078 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-27 16:00:35,217 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\39c04065abccd35e_ahnsvc.exe_' with arguments '' and pid 2604
2025-07-27 16:00:35,390 [analyzer] DEBUG: Loaded monitor into process with pid 2604
2025-07-27 16:00:35,437 [analyzer] INFO: Added new file to list with pid 2604 and path C:\ProgramData\AhnLab\AhnSvc.exe
2025-07-27 16:00:35,500 [analyzer] INFO: Injected into process with pid 1940 and name u'AhnSvc.exe'
2025-07-27 16:00:35,655 [analyzer] DEBUG: Loaded monitor into process with pid 1940
2025-07-27 16:00:35,703 [analyzer] INFO: Added pid 1940 for u'C:\\ProgramData\\AhnLab\\AhnSvc.exe'
2025-07-27 16:00:35,703 [analyzer] INFO: Added new file to list with pid 1940 and path C:\ProgramData\AhnLab\AhnSvc.exe
2025-07-27 16:01:06,265 [analyzer] INFO: Injected into process with pid 2072 and name u'cmd.exe'
2025-07-27 16:01:06,515 [analyzer] DEBUG: Loaded monitor into process with pid 2072
2025-07-27 16:01:07,217 [analyzer] INFO: Process with pid 2604 has terminated
2025-07-27 16:01:07,217 [analyzer] INFO: Process with pid 2072 has terminated
2025-07-27 16:03:54,217 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-27 16:03:55,265 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-27 16:03:55,265 [lib.api.process] INFO: Successfully terminated process with pid 1940.
2025-07-27 16:03:55,280 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-31 01:03:46,470 [cuckoo.core.scheduler] INFO: Task #6792698: acquired machine win7x649 (label=win7x649)
2025-07-31 01:03:46,471 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.209 for task #6792698
2025-07-31 01:03:47,222 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 2597290 (interface=vboxnet0, host=192.168.168.209)
2025-07-31 01:03:47,300 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x649
2025-07-31 01:03:48,271 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x649 to vmcloak
2025-07-31 01:06:06,053 [cuckoo.core.guest] INFO: Starting analysis #6792698 on guest (id=win7x649, ip=192.168.168.209)
2025-07-31 01:06:07,059 [cuckoo.core.guest] DEBUG: win7x649: not ready yet
2025-07-31 01:06:12,383 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x649, ip=192.168.168.209)
2025-07-31 01:06:12,476 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x649, ip=192.168.168.209, monitor=latest, size=6660546)
2025-07-31 01:06:13,787 [cuckoo.core.resultserver] DEBUG: Task #6792698: live log analysis.log initialized.
2025-07-31 01:06:14,716 [cuckoo.core.resultserver] DEBUG: Task #6792698 is sending a BSON stream
2025-07-31 01:06:15,106 [cuckoo.core.resultserver] DEBUG: Task #6792698 is sending a BSON stream
2025-07-31 01:06:15,372 [cuckoo.core.resultserver] DEBUG: Task #6792698 is sending a BSON stream
2025-07-31 01:06:16,137 [cuckoo.core.resultserver] DEBUG: Task #6792698: File upload for 'shots/0001.jpg'
2025-07-31 01:06:16,147 [cuckoo.core.resultserver] DEBUG: Task #6792698 uploaded file length: 133454
2025-07-31 01:06:28,588 [cuckoo.core.guest] DEBUG: win7x649: analysis #6792698 still processing
2025-07-31 01:06:44,121 [cuckoo.core.guest] DEBUG: win7x649: analysis #6792698 still processing
2025-07-31 01:06:46,232 [cuckoo.core.resultserver] DEBUG: Task #6792698 is sending a BSON stream
2025-07-31 01:06:46,615 [cuckoo.core.resultserver] DEBUG: Task #6792698: File upload for 'files/39c04065abccd35e_39c04065abccd35e_ahnsvc.exe_'
2025-07-31 01:06:46,649 [cuckoo.core.resultserver] DEBUG: Task #6792698 uploaded file length: 61600
2025-07-31 01:07:00,166 [cuckoo.core.guest] DEBUG: win7x649: analysis #6792698 still processing
2025-07-31 01:07:16,049 [cuckoo.core.guest] DEBUG: win7x649: analysis #6792698 still processing
2025-07-31 01:07:31,860 [cuckoo.core.guest] DEBUG: win7x649: analysis #6792698 still processing
2025-07-31 01:07:47,266 [cuckoo.core.guest] DEBUG: win7x649: analysis #6792698 still processing
2025-07-31 01:08:03,163 [cuckoo.core.guest] DEBUG: win7x649: analysis #6792698 still processing
2025-07-31 01:08:18,466 [cuckoo.core.guest] DEBUG: win7x649: analysis #6792698 still processing
2025-07-31 01:08:33,880 [cuckoo.core.guest] DEBUG: win7x649: analysis #6792698 still processing
2025-07-31 01:08:49,241 [cuckoo.core.guest] DEBUG: win7x649: analysis #6792698 still processing
2025-07-31 01:09:04,491 [cuckoo.core.guest] DEBUG: win7x649: analysis #6792698 still processing
2025-07-31 01:09:20,422 [cuckoo.core.guest] DEBUG: win7x649: analysis #6792698 still processing
2025-07-31 01:09:34,208 [cuckoo.core.resultserver] DEBUG: Task #6792698: File upload for 'curtain/1753625034.41.curtain.log'
2025-07-31 01:09:34,211 [cuckoo.core.resultserver] DEBUG: Task #6792698 uploaded file length: 36
2025-07-31 01:09:34,962 [cuckoo.core.resultserver] DEBUG: Task #6792698: File upload for 'sysmon/1753625035.16.sysmon.xml'
2025-07-31 01:09:35,069 [cuckoo.core.resultserver] DEBUG: Task #6792698 uploaded file length: 10265004
2025-07-31 01:09:35,086 [cuckoo.core.resultserver] DEBUG: Task #6792698: File upload for 'files/ae57079462485faa_ahnsvc.exe_'
2025-07-31 01:09:35,089 [cuckoo.core.resultserver] DEBUG: Task #6792698 uploaded file length: 61604
2025-07-31 01:09:35,090 [cuckoo.core.resultserver] DEBUG: Task #6792698: File upload for 'files/fb715aeb62198d18_ahnsvc.exe'
2025-07-31 01:09:35,092 [cuckoo.core.resultserver] DEBUG: Task #6792698 uploaded file length: 61605
2025-07-31 01:09:35,221 [cuckoo.core.resultserver] DEBUG: Task #6792698 had connection reset for <Context for LOG>
2025-07-31 01:09:35,776 [cuckoo.core.guest] INFO: win7x649: analysis completed successfully
2025-07-31 01:09:35,785 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-31 01:09:35,814 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-31 01:09:37,902 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x649 to path /srv/cuckoo/cwd/storage/analyses/6792698/memory.dmp
2025-07-31 01:09:37,903 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x649
2025-07-31 01:11:52,756 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.209 for task #6792698
2025-07-31 01:11:53,377 [cuckoo.core.scheduler] DEBUG: Released database task #6792698
2025-07-31 01:11:53,401 [cuckoo.core.scheduler] INFO: Task #6792698: 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: ZYDRRZKXQGZ
1 1 0

GetComputerNameA

 computer_name: ZYDRRZKXQGZ
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\39c04065abccd35e_ahnsvc.exe_" >> NUL
cmdline "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Administrator\AppData\Local\Temp\39c04065abccd35e_ahnsvc.exe_" >> NUL
Drops an executable to the user AppData folder (1 event)
file C:\Users\Administrator\AppData\Local\Temp\39c04065abccd35e_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\39c04065abccd35e_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\39c04065abccd35e_ahnsvc.exe_" >> NUL
cmdline "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Administrator\AppData\Local\Temp\39c04065abccd35e_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\39c04065abccd35e_ahnsvc.exe_
File has been identified by 12 AntiVirus engine on IRMA as malicious (12 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
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

We're processing your submission... This could take a few seconds.