Overview
overview
7Static
static
3vdhcoapp-w...er.exe
windows7-x64
7vdhcoapp-w...er.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3ffmpeg.exe
windows7-x64
1ffmpeg.exe
windows10-2004-x64
1ffprobe.exe
windows7-x64
1ffprobe.exe
windows10-2004-x64
1filepicker.exe
windows7-x64
1filepicker.exe
windows10-2004-x64
1vdhcoapp.exe
windows7-x64
1vdhcoapp.exe
windows10-2004-x64
1Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-09-2024 17:23
Static task
static1
Behavioral task
behavioral1
Sample
vdhcoapp-windows-x86_64-installer.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
vdhcoapp-windows-x86_64-installer.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
ffmpeg.exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
ffmpeg.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
ffprobe.exe
Resource
win7-20240729-en
Behavioral task
behavioral10
Sample
ffprobe.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
filepicker.exe
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
filepicker.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
vdhcoapp.exe
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
vdhcoapp.exe
Resource
win10v2004-20240802-en
General
-
Target
$PLUGINSDIR/System.dll
-
Size
12KB
-
MD5
4add245d4ba34b04f213409bfe504c07
-
SHA1
ef756d6581d70e87d58cc4982e3f4d18e0ea5b09
-
SHA256
9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706
-
SHA512
1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d
-
SSDEEP
192:VjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZv0QPi:B/Qlt7wiij/lMRv/9V4bvr
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2384 2372 WerFault.exe 30 -
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 11 IoCs
description pid Process procid_target PID 2676 wrote to memory of 2372 2676 rundll32.exe 30 PID 2676 wrote to memory of 2372 2676 rundll32.exe 30 PID 2676 wrote to memory of 2372 2676 rundll32.exe 30 PID 2676 wrote to memory of 2372 2676 rundll32.exe 30 PID 2676 wrote to memory of 2372 2676 rundll32.exe 30 PID 2676 wrote to memory of 2372 2676 rundll32.exe 30 PID 2676 wrote to memory of 2372 2676 rundll32.exe 30 PID 2372 wrote to memory of 2384 2372 rundll32.exe 31 PID 2372 wrote to memory of 2384 2372 rundll32.exe 31 PID 2372 wrote to memory of 2384 2372 rundll32.exe 31 PID 2372 wrote to memory of 2384 2372 rundll32.exe 31
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 2203⤵
- Program crash
PID:2384
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