Overview
overview
10Static
static
3Stereo_/au...re.dll
windows7-x64
3Stereo_/au...re.dll
windows10-2004-x64
3Stereo_/client32.exe
windows7-x64
10Stereo_/client32.exe
windows10-2004-x64
10Stereo_/htctl32.dll
windows7-x64
3Stereo_/htctl32.dll
windows10-2004-x64
3Stereo_/msvcr100.dll
windows7-x64
3Stereo_/msvcr100.dll
windows10-2004-x64
3Stereo_/pcicapi.dll
windows7-x64
3Stereo_/pcicapi.dll
windows10-2004-x64
3Stereo_/pcichek.dll
windows7-x64
3Stereo_/pcichek.dll
windows10-2004-x64
3Stereo_/pcicl32.dll
windows7-x64
3Stereo_/pcicl32.dll
windows10-2004-x64
3Stereo_/re...ub.exe
windows7-x64
3Stereo_/re...ub.exe
windows10-2004-x64
3Stereo_/tcctl32.dll
windows7-x64
3Stereo_/tcctl32.dll
windows10-2004-x64
3Analysis
-
max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
11-12-2024 10:33
Static task
static1
Behavioral task
behavioral1
Sample
Stereo_/audiocapture.dll
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
Stereo_/audiocapture.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Stereo_/client32.exe
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
Stereo_/client32.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
Stereo_/htctl32.dll
Resource
win7-20240729-en
Behavioral task
behavioral6
Sample
Stereo_/htctl32.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
Stereo_/msvcr100.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
Stereo_/msvcr100.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
Stereo_/pcicapi.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
Stereo_/pcicapi.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
Stereo_/pcichek.dll
Resource
win7-20241010-en
Behavioral task
behavioral12
Sample
Stereo_/pcichek.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
Stereo_/pcicl32.dll
Resource
win7-20241010-en
Behavioral task
behavioral14
Sample
Stereo_/pcicl32.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
Stereo_/remcmdstub.exe
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
Stereo_/remcmdstub.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
Stereo_/tcctl32.dll
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
Stereo_/tcctl32.dll
Resource
win10v2004-20241007-en
General
-
Target
Stereo_/audiocapture.dll
-
Size
90KB
-
MD5
192dcc30c09f0cb973997aebdb2efcfc
-
SHA1
3fa0efddd92dc65ea3ad8ede4af35c89cbe393c5
-
SHA256
dd305100644d07d73d3391456a7a90d838f12be560b9a04ef6b393d603d7d877
-
SHA512
3f47aceb63cfde1668ea25b1d48a108b4a54923dc3fa8f7afed1cca15ec980dbe780273a39c22fd6c1e104b429c93633009c425f6cc0ef09b5cde17fba08ecc6
-
SSDEEP
768:ZrOxYZwDgyfoVD/Ksdl0R8rKZEmU2ffE7CdmW1B1jvmhxccp2+vHxRpPfPtJNvbq:ZrOxDJs/Ksdl0R1dBmhFXxRpP9JNvbnq
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 7 IoCs
description pid Process procid_target PID 3032 wrote to memory of 2516 3032 rundll32.exe 30 PID 3032 wrote to memory of 2516 3032 rundll32.exe 30 PID 3032 wrote to memory of 2516 3032 rundll32.exe 30 PID 3032 wrote to memory of 2516 3032 rundll32.exe 30 PID 3032 wrote to memory of 2516 3032 rundll32.exe 30 PID 3032 wrote to memory of 2516 3032 rundll32.exe 30 PID 3032 wrote to memory of 2516 3032 rundll32.exe 30
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Stereo_\audiocapture.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Stereo_\audiocapture.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2516
-