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
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12-12-2024 02:30
Static task
static1
Behavioral task
behavioral1
Sample
Stereo_/audiocapture.dll
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Stereo_/audiocapture.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Stereo_/client32.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
Stereo_/client32.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
Stereo_/htctl32.dll
Resource
win7-20240903-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
win7-20240729-en
Behavioral task
behavioral12
Sample
Stereo_/pcichek.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
Stereo_/pcicl32.dll
Resource
win7-20240708-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_/tcctl32.dll
-
Size
355KB
-
MD5
85db07eba81939098622ef88d572cd5b
-
SHA1
1af304730f1af2d4b99d20da11022bc8a1021a60
-
SHA256
47162edd0cf12cd37eacc44e4da35734b94f6e5a202be435c5c7a9e51eb0f3ec
-
SHA512
f02603e091f7fc0960cd228b845e5412934f41baaebec611f92718bf16d4f222c176734409f9bf2833ee6d8c26f3e8992eb01f9a5c53cdcbbde28eba2497cd64
-
SSDEEP
6144:FgL3Le4qjZqUAbuDgLNvCFWnS62AIf++H7uxxCuLe9AiD0kqfv6rr:6L3Le4qjQUAbuDUvcWnS6pIf++H7SxCh
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 1996 wrote to memory of 4872 1996 rundll32.exe 82 PID 1996 wrote to memory of 4872 1996 rundll32.exe 82 PID 1996 wrote to memory of 4872 1996 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Stereo_\tcctl32.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\Stereo_\tcctl32.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4872
-