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
149s -
max time network
155s -
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/System.dll
-
Size
12KB
-
MD5
0d7ad4f45dc6f5aa87f606d0331c6901
-
SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457
-
SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
-
SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
-
SSDEEP
192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3784 4104 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 2276 wrote to memory of 4104 2276 rundll32.exe rundll32.exe PID 2276 wrote to memory of 4104 2276 rundll32.exe rundll32.exe PID 2276 wrote to memory of 4104 2276 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4104 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 4603⤵
- Program crash
PID:3784
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4104 -ip 41041⤵PID:816