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
93s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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_/msvcr100.dll
-
Size
755KB
-
MD5
0e37fbfa79d349d672456923ec5fbbe3
-
SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335
-
SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
-
SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630
-
SSDEEP
12288:nMmCy3nAgPAxN9ueqix/HEmxsvGrif8ZSy+rdQw2QRAtd74/vmYK6H3BVoe3z:MmCy3KxW3ixPEmxsvGrm8Z6r+JQPzV7z
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1356 2184 WerFault.exe 83 -
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 824 wrote to memory of 2184 824 rundll32.exe 83 PID 824 wrote to memory of 2184 824 rundll32.exe 83 PID 824 wrote to memory of 2184 824 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Stereo_\msvcr100.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:824 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Stereo_\msvcr100.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2184 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 6003⤵
- Program crash
PID:1356
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2184 -ip 21841⤵PID:4064