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
143s - 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 uninstall.exe
- Size 408KB
- Sample260705-ws2cdaav7k
- SHA256 b7e7d2f2e1cd2d519183cb173aca882ff735114cbe6c1120cdb73e93364743f5
- MD5 7fb082f0c4f42ee21681ac897fdf6b36
- SHA1 67f83a1e7bf89eec76e0c83f80137e58be1790de
- SHA512 fb4917d6694cc500b49ece56647dc895fdb22602f446a7fab504dbf0ba6cee112080767a278b884cfc12cbf76b3ecc5a4b11382a4a68965ebc8ca54946cd385b
- SSDEEP 3072:0Ae+3aJpqWXTBum5GfqP/bbIa8h3Q7IO1r/ImdOiXFA+/xarG3bF/:nB+pqUFdPT9h7jum2+/xcGB/
- TLSH T1C99463E9D7E356D3F8326E36CB91523460323EC9A4E46DF556C8B72C49301DEA21E92C
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 2644 Un_A.exe - Executes dropped EXE 1 IoCs
pid Process 2644 Un_A.exe - Loads dropped DLL 3 IoCs
pid Process 2644 Un_A.exe 2644 Un_A.exe 2644 Un_A.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 uninstall.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Un_A.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2644 Un_A.exe 2644 Un_A.exe 2644 Un_A.exe 2644 Un_A.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 764 wrote to memory of 2644 764 uninstall.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\uninstall.exe"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:764 -
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2644
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsq3AB4.tmp\FindProcDLL.dll
- Size 27KB
- SHA256 6eb09ce25c7fc62e44dc2f71761c6d60dd4b2d0c7d15e9651980525103aac0a9
- MD5 6f73b00aef6c49eac62128ef3eca677e
- SHA1 1b6aff67d570e5ee61af2376247590eb49b728a1
- SHA512 678fc4bf7d345eeb99a3420ec7d0071eaba302845e93b48527d9a2a9c406709cc44ec74d6a889e25a8351a463803f8713a833df3a1707a5ad50db05240a32938
- SSDEEP 384:DZoRF0XXUuJReQg0Tw67ADWBTgmldIogUD3GLgFmyaX/fVYcWJQCDmrinogRdBl:DZaF0HtTwuz9yu3KgwRX1nWJ1q+noI
- TLSH T12DC26C107C9042B7D28E5671A1E50F075B3F6E512AE65883CF256ADA2D612F0FA3F31B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsq3AB4.tmp\TvGetVersion.dll
- Size 154KB
- SHA256 f89a02e858183d373d35dfffc21359acf3d45eb96f8206c3581ba05ce49d2023
- MD5 b1c0c4b14c3b6787ab1e1e4f91579c4a
- SHA1 f099b16e9e33decafee22da17574771968565c58
- SHA512 76718483b8f07704409a69b9a4613e9fc48fad0dc0b9dd9f435e44d1f174dce6ae8eec56c94e24b0a289aa78c5421e2258f977c12182e1422570fd33f1cf463b
- SSDEEP 1536:VngJZsOHXEFxQplfzbTJ7nKdgw5TLTKbZYVo+vwCgQCQKDnjBhEKiuqX2sE2OGWl:Vg/sO0ghLQMp+GQCQ61sE3GWYy
- TLSH T17EF3191133F08035F5F72A78ACF4C6608E7ABD32AA34D14EE750C96A2970B85DA75727
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
- Size 408KB
- SHA256 b7e7d2f2e1cd2d519183cb173aca882ff735114cbe6c1120cdb73e93364743f5
- MD5 7fb082f0c4f42ee21681ac897fdf6b36
- SHA1 67f83a1e7bf89eec76e0c83f80137e58be1790de
- SHA512 fb4917d6694cc500b49ece56647dc895fdb22602f446a7fab504dbf0ba6cee112080767a278b884cfc12cbf76b3ecc5a4b11382a4a68965ebc8ca54946cd385b
- SSDEEP 3072:0Ae+3aJpqWXTBum5GfqP/bbIa8h3Q7IO1r/ImdOiXFA+/xarG3bF/:nB+pqUFdPT9h7jum2+/xcGB/
- TLSH T1C99463E9D7E356D3F8326E36CB91523460323EC9A4E46DF556C8B72C49301DEA21E92C
- MD5 SHA1 SHA512 SSDEEP TLSH