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
146s -
max time network
159s -
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
libGLESv2.dll
-
Size
6.3MB
-
MD5
ecabe9e35db94666c73b78408aaacc33
-
SHA1
29368f59ad5854d775f81f10987c5813248db413
-
SHA256
8b9571808714bcd01c3156c7cd254fad104797cbe1ff6c823677b713dcc352b2
-
SHA512
1a39cd4fb3fdca40117f62031804e48da2f7ec63fe1e6377902b5a8d5c76b3d40b155d028481801ec4338332a486c7999ee685115d5fb4546c2ddd47b0693971
-
SSDEEP
98304:qY2sSNCHdB7mvvXarXEOE/HxyPX2+et5/1+wu2Ed0:NON2+ar05/Rzrv18
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2036 4264 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 3292 wrote to memory of 4264 3292 rundll32.exe rundll32.exe PID 3292 wrote to memory of 4264 3292 rundll32.exe rundll32.exe PID 3292 wrote to memory of 4264 3292 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\libGLESv2.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3292 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\libGLESv2.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4264 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4264 -s 4603⤵
- Program crash
PID:2036
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4264 -ip 42641⤵PID:3332