Overview
overview
8Static
static
3TeamViewer.exe
windows10-2004-x64
5TeamViewer.exe
windows11-ltsc_2024-x64
6$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
8$PLUGINSDI...on.dll
windows10-2004-x64
3$PLUGINSDI...on.dll
windows11-ltsc_2024-x64
8$PLUGINSDI...7z.dll
windows10-2004-x64
3$PLUGINSDI...7z.dll
windows11-ltsc_2024-x64
3TeamViewer.exe
windows10-2004-x64
7TeamViewer.exe
windows11-ltsc_2024-x64
7TeamViewer...op.exe
windows10-2004-x64
3TeamViewer...op.exe
windows11-ltsc_2024-x64
3TeamViewer_Note.exe
windows10-2004-x64
3TeamViewer_Note.exe
windows11-ltsc_2024-x64
8TeamViewer...pl.dll
windows10-2004-x64
1TeamViewer...pl.dll
windows11-ltsc_2024-x64
1TeamViewer...ce.exe
windows10-2004-x64
1TeamViewer...ce.exe
windows11-ltsc_2024-x64
1TeamViewer...es.dll
windows10-2004-x64
1TeamViewer...es.dll
windows11-ltsc_2024-x64
1tv_w32.dll
windows10-2004-x64
3tv_w32.dll
windows11-ltsc_2024-x64
3tv_w32.exe
windows10-2004-x64
3tv_w32.exe
windows11-ltsc_2024-x64
3tv_x64.dll
windows10-2004-x64
1tv_x64.dll
windows11-ltsc_2024-x64
8tv_x64.exe
windows10-2004-x64
1tv_x64.exe
windows11-ltsc_2024-x64
1uninstall.exe
windows10-2004-x64
7uninstall.exe
windows11-ltsc_2024-x64
7Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/07/2026, 18:11
Static task
static1
Behavioral task
behavioral1
Sample
TeamViewer.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
TeamViewer.exe
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/TvGetVersion.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/TvGetVersion.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win11ltsc2024-20260630-en
Behavioral task
behavioral11
Sample
TeamViewer.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
TeamViewer.exe
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral13
Sample
TeamViewer_Desktop.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
TeamViewer_Desktop.exe
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral15
Sample
TeamViewer_Note.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
TeamViewer_Note.exe
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral17
Sample
TeamViewer_Resource_pl.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
TeamViewer_Resource_pl.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral19
Sample
TeamViewer_Service.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
TeamViewer_Service.exe
Resource
win11ltsc2024-20260630-en
Behavioral task
behavioral21
Sample
TeamViewer_StaticRes.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
TeamViewer_StaticRes.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral23
Sample
tv_w32.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
tv_w32.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral25
Sample
tv_w32.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
tv_w32.exe
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral27
Sample
tv_x64.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
tv_x64.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral29
Sample
tv_x64.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
tv_x64.exe
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral31
Sample
uninstall.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral32
Sample
uninstall.exe
Resource
win11ltsc2024-20260630-en
General
- Target $PLUGINSDIR/System.dll
- Size 11KB
- Sample260705-ws2cdaav7k
- SHA256 982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b
- MD5 0ff2d70cfdc8095ea99ca2dabbec3cd7
- SHA1 10c51496d37cecd0e8a503a5a9bb2329d9b38116
- SHA512 cb5fc0b3194f469b833c2c9abf493fcec5251e8609881b7f5e095b9bd09ed468168e95dda0ba415a7d8d6b7f0dee735467c0ed8e52b223eb5359986891ba6e2e
- SSDEEP 192:eK24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35OlASl:u8QIl975eXqlWBrz7YLOlA
- TLSH T12B325C02135481F3E4918138C86B3A276B6A15029BF98E57DFD39646BE30BE3BD7D603
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 6028 1948 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 4828 wrote to memory of 1948 4828 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:4828 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1948 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 6123⤵
- Program crash
PID:6028
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1948 -ip 19481⤵PID:4156