Overview
overview
10Static
static
371/AudioCapture.dll
windows7-x64
371/AudioCapture.dll
windows10-2004-x64
371/HTCTL32.dll
windows7-x64
371/HTCTL32.dll
windows10-2004-x64
371/KBDURDU.dll
windows10-2004-x64
371/PCICHEK.dll
windows7-x64
371/PCICHEK.dll
windows10-2004-x64
371/PCICL32.dll
windows7-x64
371/PCICL32.dll
windows10-2004-x64
371/TCCTL32.dll
windows7-x64
371/TCCTL32.dll
windows10-2004-x64
371/client32.exe
windows7-x64
1071/client32.exe
windows10-2004-x64
1071/kbd101a.dll
windows10-2004-x64
371/kbd101b.dll
windows10-2004-x64
371/kbd101c.dll
windows10-2004-x64
371/msvcr100.dll
windows7-x64
371/msvcr100.dll
windows10-2004-x64
371/pcicapi.dll
windows7-x64
371/pcicapi.dll
windows10-2004-x64
371/remcmdstub.exe
windows7-x64
371/remcmdstub.exe
windows10-2004-x64
371/rendezv...on.dll
windows10-2004-x64
1Analysis
-
max time kernel
105s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20250313-en -
resource tags
arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system -
submitted
26/03/2025, 17:07
Static task
static1
Behavioral task
behavioral1
Sample
71/AudioCapture.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
71/AudioCapture.dll
Resource
win10v2004-20250313-en
Behavioral task
behavioral3
Sample
71/HTCTL32.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
71/HTCTL32.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral5
Sample
71/KBDURDU.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral6
Sample
71/PCICHEK.dll
Resource
win7-20240903-en
Behavioral task
behavioral7
Sample
71/PCICHEK.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral8
Sample
71/PCICL32.dll
Resource
win7-20240903-en
Behavioral task
behavioral9
Sample
71/PCICL32.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral10
Sample
71/TCCTL32.dll
Resource
win7-20241010-en
Behavioral task
behavioral11
Sample
71/TCCTL32.dll
Resource
win10v2004-20250313-en
Behavioral task
behavioral12
Sample
71/client32.exe
Resource
win7-20240903-en
Behavioral task
behavioral13
Sample
71/client32.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral14
Sample
71/kbd101a.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral15
Sample
71/kbd101b.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral16
Sample
71/kbd101c.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral17
Sample
71/msvcr100.dll
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
71/msvcr100.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral19
Sample
71/pcicapi.dll
Resource
win7-20241023-en
Behavioral task
behavioral20
Sample
71/pcicapi.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral21
Sample
71/remcmdstub.exe
Resource
win7-20241010-en
Behavioral task
behavioral22
Sample
71/remcmdstub.exe
Resource
win10v2004-20250313-en
Behavioral task
behavioral23
Sample
71/rendezvousSession.dll
Resource
win10v2004-20250314-en
General
-
Target
71/AudioCapture.dll
-
Size
91KB
-
MD5
4182f37b9ba1fa315268c669b5335dde
-
SHA1
2c13da0c10638a5200fed99dcdcf0dc77a599073
-
SHA256
a74612ae5234d1a8f1263545400668097f9eb6a01dfb8037bc61ca9cae82c5b8
-
SHA512
4f22ad5679a844f6ed248bf2594af94cf2ed1e5c6c5441f0fb4de766648c17d1641a6ce7c816751f0520a3ae336479c15f3f8b6ebe64a76c38bc28a02ff0f5dc
-
SSDEEP
1536:wrOxDJs/Ksdl0R1dBmhFXxRpP9JNvbnPUGI:3yXlQmhhHp9J9bnPTI
Malware Config
Signatures
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5300 wrote to memory of 1408 5300 rundll32.exe 86 PID 5300 wrote to memory of 1408 5300 rundll32.exe 86 PID 5300 wrote to memory of 1408 5300 rundll32.exe 86
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\71\AudioCapture.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5300 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\71\AudioCapture.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1408
-