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
151s - 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/nsis7z.dll
- Size 187KB
- Sample260529-age44set7m
- SHA256 5d71aaeefbc81732017e9040c8087e6686a16dd54e6d9bcd5ba7a47af68cc925
- MD5 7fe20cee9277556f4ef137e61d29d9f5
- SHA1 d53c37dbf548914ed20c8ebb21186a95beef1ee3
- SHA512 a90250214c6c5048b098e031fca5a8097854a8667330551d7694740e3bc83f7d77791d314e3ac75617ef1834b75c41e3e3d3c74da9794a207894c13fb2d4bef7
- SSDEEP 3072:OBFxfbJUIW9WGExPYD5JFBJOYWjm8KCmRv1fPIVF2tbRpj/uxe:qxzJSAGEdYD5JcYl78FsLP
- TLSH T12E14AD2337E0C175E21F0732DE56EBA162BAB6404E61C4873B9D4F5C4F726889E2D71A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 4748 4888 WerFault.exe 88 - 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 2932 wrote to memory of 4888 2932 rundll32.exe 88
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4888 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 6003⤵
- Program crash
PID:4748
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4888 -ip 48881⤵PID:4596