Overview
overview
10Static
static
1AudioCapture.dll
windows7-x64
3AudioCapture.dll
windows10-2004-x64
3HTCTL32.dll
windows7-x64
3HTCTL32.dll
windows10-2004-x64
3PCICHEK.dll
windows7-x64
3PCICHEK.dll
windows10-2004-x64
3PCICL32.dll
windows7-x64
3PCICL32.dll
windows10-2004-x64
3TCCTL32.dll
windows7-x64
3TCCTL32.dll
windows10-2004-x64
3client32.exe
windows7-x64
10client32.exe
windows10-2004-x64
10msvcr100.dll
windows7-x64
3msvcr100.dll
windows10-2004-x64
3pcicapi.dll
windows7-x64
3pcicapi.dll
windows10-2004-x64
3remcmdstub.exe
windows7-x64
3remcmdstub.exe
windows10-2004-x64
3Analysis
-
max time kernel
120s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-11-2024 10:15
Static task
static1
Behavioral task
behavioral1
Sample
AudioCapture.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
AudioCapture.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
HTCTL32.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
HTCTL32.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
PCICHEK.dll
Resource
win7-20241010-en
Behavioral task
behavioral6
Sample
PCICHEK.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
PCICL32.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
PCICL32.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
TCCTL32.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
TCCTL32.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
client32.exe
Resource
win7-20240729-en
Behavioral task
behavioral12
Sample
client32.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
msvcr100.dll
Resource
win7-20240708-en
Behavioral task
behavioral14
Sample
msvcr100.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
pcicapi.dll
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
pcicapi.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
remcmdstub.exe
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
remcmdstub.exe
Resource
win10v2004-20241007-en
General
-
Target
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.
Processes:
rundll32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 1568 wrote to memory of 2120 1568 rundll32.exe 30 PID 1568 wrote to memory of 2120 1568 rundll32.exe 30 PID 1568 wrote to memory of 2120 1568 rundll32.exe 30 PID 1568 wrote to memory of 2120 1568 rundll32.exe 30 PID 1568 wrote to memory of 2120 1568 rundll32.exe 30 PID 1568 wrote to memory of 2120 1568 rundll32.exe 30 PID 1568 wrote to memory of 2120 1568 rundll32.exe 30
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\AudioCapture.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\AudioCapture.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2120
-