Overview
overview
7Static
static
3Better-Cre....3.exe
windows11-21h2-x64
7$PLUGINSDI...er.dll
windows11-21h2-x64
3$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...ll.dll
windows11-21h2-x64
3d3dcompiler_47.dll
windows11-21h2-x64
3ffmpeg.dll
windows11-21h2-x64
3libEGL.dll
windows11-21h2-x64
3libGLESv2.dll
windows11-21h2-x64
3resources/elevate.exe
windows11-21h2-x64
3swiftshade...GL.dll
windows11-21h2-x64
3swiftshade...v2.dll
windows11-21h2-x64
3vk_swiftshader.dll
windows11-21h2-x64
3vulkan-1.dll
windows11-21h2-x64
3Better-CrewLink.exe
windows11-21h2-x64
7LICENSES.c...m.html
windows11-21h2-x64
3d3dcompiler_47.dll
windows11-21h2-x64
1ffmpeg.dll
windows11-21h2-x64
1libEGL.dll
windows11-21h2-x64
1libGLESv2.dll
windows11-21h2-x64
1resources/elevate.exe
windows11-21h2-x64
3swiftshade...GL.dll
windows11-21h2-x64
1swiftshade...v2.dll
windows11-21h2-x64
1vk_swiftshader.dll
windows11-21h2-x64
1vulkan-1.dll
windows11-21h2-x64
1$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...7z.dll
windows11-21h2-x64
3Uninstall ...nk.exe
windows11-21h2-x64
7$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...ll.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3Analysis
-
max time kernel
61s -
max time network
143s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
04-08-2024 17:41
Static task
static1
Behavioral task
behavioral1
Sample
Better-CrewLink-Setup-3.1.3.exe
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/WinShell.dll
Resource
win11-20240802-en
Behavioral task
behavioral6
Sample
d3dcompiler_47.dll
Resource
win11-20240802-en
Behavioral task
behavioral7
Sample
ffmpeg.dll
Resource
win11-20240802-en
Behavioral task
behavioral8
Sample
libEGL.dll
Resource
win11-20240802-en
Behavioral task
behavioral9
Sample
libGLESv2.dll
Resource
win11-20240802-en
Behavioral task
behavioral10
Sample
resources/elevate.exe
Resource
win11-20240802-en
Behavioral task
behavioral11
Sample
swiftshader/libEGL.dll
Resource
win11-20240802-en
Behavioral task
behavioral12
Sample
swiftshader/libGLESv2.dll
Resource
win11-20240802-en
Behavioral task
behavioral13
Sample
vk_swiftshader.dll
Resource
win11-20240802-en
Behavioral task
behavioral14
Sample
vulkan-1.dll
Resource
win11-20240802-en
Behavioral task
behavioral15
Sample
Better-CrewLink.exe
Resource
win11-20240802-en
Behavioral task
behavioral16
Sample
LICENSES.chromium.html
Resource
win11-20240802-en
Behavioral task
behavioral17
Sample
d3dcompiler_47.dll
Resource
win11-20240802-en
Behavioral task
behavioral18
Sample
ffmpeg.dll
Resource
win11-20240802-en
Behavioral task
behavioral19
Sample
libEGL.dll
Resource
win11-20240802-en
Behavioral task
behavioral20
Sample
libGLESv2.dll
Resource
win11-20240802-en
Behavioral task
behavioral21
Sample
resources/elevate.exe
Resource
win11-20240802-en
Behavioral task
behavioral22
Sample
swiftshader/libEGL.dll
Resource
win11-20240802-en
Behavioral task
behavioral23
Sample
swiftshader/libGLESv2.dll
Resource
win11-20240802-en
Behavioral task
behavioral24
Sample
vk_swiftshader.dll
Resource
win11-20240802-en
Behavioral task
behavioral25
Sample
vulkan-1.dll
Resource
win11-20240802-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240802-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win11-20240802-en
Behavioral task
behavioral28
Sample
Uninstall Better-CrewLink.exe
Resource
win11-20240802-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20240802-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240802-en
Behavioral task
behavioral31
Sample
$PLUGINSDIR/WinShell.dll
Resource
win11-20240802-en
Behavioral task
behavioral32
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240802-en
General
-
Target
$PLUGINSDIR/StdUtils.dll
-
Size
100KB
-
MD5
c6a6e03f77c313b267498515488c5740
-
SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15
-
SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
-
SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803
-
SSDEEP
3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2352 3648 WerFault.exe rundll32.exe -
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 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 1804 wrote to memory of 3648 1804 rundll32.exe rundll32.exe PID 1804 wrote to memory of 3648 1804 rundll32.exe rundll32.exe PID 1804 wrote to memory of 3648 1804 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3648 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 5363⤵
- Program crash
PID:2352
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3648 -ip 36481⤵PID:4932