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
-
max time kernel
585s -
max time network
603s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07-06-2024 14:54
Static task
static1
Behavioral task
behavioral1
Sample
vdhcoapp-windows-x86_64-installer.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
vdhcoapp-windows-x86_64-installer.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
ffmpeg.exe
Resource
win7-20240419-en
Behavioral task
behavioral8
Sample
ffmpeg.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
ffprobe.exe
Resource
win7-20240508-en
Behavioral task
behavioral10
Sample
ffprobe.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
filepicker.exe
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
filepicker.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
vdhcoapp.exe
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
vdhcoapp.exe
Resource
win10v2004-20240226-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 3708 1532 WerFault.exe 90 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1248 wrote to memory of 1532 1248 rundll32.exe 90 PID 1248 wrote to memory of 1532 1248 rundll32.exe 90 PID 1248 wrote to memory of 1532 1248 rundll32.exe 90
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1248 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵PID:1532
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 6123⤵
- Program crash
PID:3708
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1532 -ip 15321⤵PID:4988
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3820 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵PID:4308
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1036 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵PID:4732