Overview
overview
7Static
static
3wolskill-w...up.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
3LICENSES.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
1natives_blob.js
windows11-21h2-x64
3resources/elevate.exe
windows11-21h2-x64
3swiftshade...GL.dll
windows11-21h2-x64
1swiftshade...v2.dll
windows11-21h2-x64
1wolskill.exe
windows11-21h2-x64
7$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...ss.dll
windows11-21h2-x64
3$PLUGINSDI...7z.dll
windows11-21h2-x64
3Uninstall ...ll.exe
windows11-21h2-x64
7Analysis
-
max time kernel
145s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
20/08/2024, 04:37
Static task
static1
Behavioral task
behavioral1
Sample
wolskill-windows-x64-setup.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
LICENSES.chromium.html
Resource
win11-20240802-en
Behavioral task
behavioral7
Sample
d3dcompiler_47.dll
Resource
win11-20240802-en
Behavioral task
behavioral8
Sample
ffmpeg.dll
Resource
win11-20240802-en
Behavioral task
behavioral9
Sample
libEGL.dll
Resource
win11-20240802-en
Behavioral task
behavioral10
Sample
libGLESv2.dll
Resource
win11-20240802-en
Behavioral task
behavioral11
Sample
natives_blob.js
Resource
win11-20240802-en
Behavioral task
behavioral12
Sample
resources/elevate.exe
Resource
win11-20240802-en
Behavioral task
behavioral13
Sample
swiftshader/libEGL.dll
Resource
win11-20240802-en
Behavioral task
behavioral14
Sample
swiftshader/libGLESv2.dll
Resource
win11-20240802-en
Behavioral task
behavioral15
Sample
wolskill.exe
Resource
win11-20240802-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240802-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win11-20240802-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win11-20240802-en
Behavioral task
behavioral19
Sample
Uninstall wolskill.exe
Resource
win11-20240802-en
General
-
Target
$PLUGINSDIR/nsExec.dll
-
Size
6KB
-
MD5
3d366250fcf8b755fce575c75f8c79e4
-
SHA1
2ebac7df78154738d41aac8e27d7a0e482845c57
-
SHA256
8bdd996ae4778c6f829e2bcb651c55efc9ec37eeea17d259e013b39528dddbb6
-
SHA512
67d2d88de625227ccd2cb406b4ac3a215d1770d385c985a44e2285490f49b45f23ce64745b24444e2a0f581335fda02e913b92781043e8dfd287844435ba9094
-
SSDEEP
96:cjHFiKaoggCtJzTlKXb0tbo68qD853Ns7GgmkNG3m+s:9bogRtJzTlNR8qD85uGgmkNP
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 6040 1200 WerFault.exe 81 -
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 3740 wrote to memory of 1200 3740 rundll32.exe 81 PID 3740 wrote to memory of 1200 3740 rundll32.exe 81 PID 3740 wrote to memory of 1200 3740 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3740 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1200 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 4723⤵
- Program crash
PID:6040
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 1200 -ip 12001⤵PID:3560