Overview
overview
8Static
static
7assistance...ue.exe
windows10-2004-x64
4assistance...ue.exe
windows11-21h2-x64
4$PLUGINSDI...64.dll
windows10-2004-x64
3$PLUGINSDI...64.dll
windows11-21h2-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows11-21h2-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows11-21h2-x64
3$PLUGINSDI...rb.dll
windows10-2004-x64
3$PLUGINSDI...rb.dll
windows11-21h2-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows11-21h2-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows11-21h2-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...on.dll
windows10-2004-x64
3$PLUGINSDI...on.dll
windows11-21h2-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDIR/UAC.dll
windows11-21h2-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows11-21h2-x64
3$PLUGINSDI...ay.dll
windows10-2004-x64
5$PLUGINSDI...ay.dll
windows11-21h2-x64
5$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...7z.dll
windows10-2004-x64
3$PLUGINSDI...7z.dll
windows11-21h2-x64
3TeamViewer.exe
windows10-2004-x64
8TeamViewer.exe
windows11-21h2-x64
7Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/04/2026, 00:18
Behavioral task
behavioral1
Sample
assistance-informatique.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
assistance-informatique.exe
Resource
win11-20260130-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/Base64.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/Base64.dll
Resource
win11-20260130-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win11-20260130-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win11-20260130-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/InvokeShellVerb.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/InvokeShellVerb.dll
Resource
win11-20260130-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win11-20260130-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11-20260130-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11-20260130-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260130-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/TvGetVersion.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/TvGetVersion.dll
Resource
win11-20260130-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/UAC.dll
Resource
win11-20260130-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win11-20260130-en
Behavioral task
behavioral25
Sample
$PLUGINSDIR/nsArray.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/nsArray.dll
Resource
win11-20260130-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20260130-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win11-20260130-en
Behavioral task
behavioral31
Sample
TeamViewer.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral32
Sample
TeamViewer.exe
Resource
win11-20260130-en
General
- Target $PLUGINSDIR/InvokeShellVerb.dll
- Size 4KB
- Sample260422-als7jaev9p
- SHA256 2fddc8b8ab4bf4838ea374d25e4cb9e83362c3f1cb24f380137d14c814d56169
- MD5 1a6e1ea7e90e50d9a18e034e7cde41a6
- SHA1 93148d67fc2cee4537f749a8c98a0735065241a8
- SHA512 53d35e9e4a0d45a5b37da7952f7bf8c26666fa57748c3d292fd154e40a602f08ad55735cefe9bdf043e03e3eff3e58d603bd9980ef291b3c5f409228dd5ba872
- TLSH T118813F3343F444B2D4D79A376F6B09E96A22AB1137B5654C4A83182A6822BEFDD38711
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 3768 4056 WerFault.exe 85 - 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 1 IoCs
description pid Process procid_target PID 1772 wrote to memory of 4056 1772 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InvokeShellVerb.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InvokeShellVerb.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4056 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 6123⤵
- Program crash
PID:3768
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4056 -ip 40561⤵PID:2232