Overview
overview
5Static
static
3TeamViewerQS_x64.exe
windows10-2004-x64
5TeamViewerQS_x64.exe
windows11-21h2-x64
4$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...ns.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$PLUGINSDI...7z.dll
windows10-2004-x64
3$PLUGINSDI...7z.dll
windows11-21h2-x64
3TeamViewer.exe
windows10-2004-x64
5TeamViewer.exe
windows11-21h2-x64
3TeamViewer...op.exe
windows10-2004-x64
3TeamViewer...op.exe
windows11-21h2-x64
3TeamViewer_Note.exe
windows10-2004-x64
1TeamViewer_Note.exe
windows11-21h2-x64
1TeamViewer...ar.dll
windows10-2004-x64
1TeamViewer...ar.dll
windows11-21h2-x64
1TeamViewer...bg.dll
windows10-2004-x64
1TeamViewer...bg.dll
windows11-21h2-x64
1TeamViewer...cs.dll
windows10-2004-x64
1TeamViewer...cs.dll
windows11-21h2-x64
1TeamViewer...da.dll
windows10-2004-x64
1TeamViewer...da.dll
windows11-21h2-x64
1TeamViewer...de.dll
windows10-2004-x64
1TeamViewer...de.dll
windows11-21h2-x64
1TeamViewer...el.dll
windows10-2004-x64
1TeamViewer...el.dll
windows11-21h2-x64
1TeamViewer...en.dll
windows10-2004-x64
1TeamViewer...en.dll
windows11-21h2-x64
1TeamViewer...es.dll
windows10-2004-x64
1TeamViewer...es.dll
windows11-21h2-x64
1Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
29/05/2026, 00:10
Static task
static1
Behavioral task
behavioral1
Sample
TeamViewerQS_x64.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
TeamViewerQS_x64.exe
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/TvGetVersion.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/TvGetVersion.dll
Resource
win11-20260513-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win11-20260513-en
Behavioral task
behavioral11
Sample
TeamViewer.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
TeamViewer.exe
Resource
win11-20260513-en
Behavioral task
behavioral13
Sample
TeamViewer_Desktop.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
TeamViewer_Desktop.exe
Resource
win11-20260513-en
Behavioral task
behavioral15
Sample
TeamViewer_Note.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
TeamViewer_Note.exe
Resource
win11-20260513-en
Behavioral task
behavioral17
Sample
TeamViewer_Resource_ar.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
TeamViewer_Resource_ar.dll
Resource
win11-20260513-en
Behavioral task
behavioral19
Sample
TeamViewer_Resource_bg.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
TeamViewer_Resource_bg.dll
Resource
win11-20260513-en
Behavioral task
behavioral21
Sample
TeamViewer_Resource_cs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
TeamViewer_Resource_cs.dll
Resource
win11-20260513-en
Behavioral task
behavioral23
Sample
TeamViewer_Resource_da.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
TeamViewer_Resource_da.dll
Resource
win11-20260513-en
Behavioral task
behavioral25
Sample
TeamViewer_Resource_de.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
TeamViewer_Resource_de.dll
Resource
win11-20260513-en
Behavioral task
behavioral27
Sample
TeamViewer_Resource_el.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
TeamViewer_Resource_el.dll
Resource
win11-20260513-en
Behavioral task
behavioral29
Sample
TeamViewer_Resource_en.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
TeamViewer_Resource_en.dll
Resource
win11-20260513-en
Behavioral task
behavioral31
Sample
TeamViewer_Resource_es.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral32
Sample
TeamViewer_Resource_es.dll
Resource
win11-20260513-en
General
- Target $PLUGINSDIR/System.dll
- Size 12KB
- Sample260529-age44set7m
- SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
- MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
- SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
- SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
- SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
- TLSH T1E8427C1297B089F2F151093419667F2A6FBEAC5D17F405A3CFE304C63D212CB9839243
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 5104 3172 WerFault.exe 86 - 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 1712 wrote to memory of 3172 1712 rundll32.exe 86
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3172 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3172 -s 6123⤵
- Program crash
PID:5104
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3172 -ip 31721⤵PID:2200