Overview
overview
6Static
static
3FastClient-Setup.exe
windows10-2004-x64
4FastClient-Setup.exe
windows11-ltsc_2024-x64
4$PLUGINSDI...dl.dll
windows10-2004-x64
3$PLUGINSDI...dl.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-ltsc_2024-x64
3FastClient.exe
windows10-2004-x64
6FastClient.exe
windows11-ltsc_2024-x64
6Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/07/2026, 07:40
Static task
static1
Behavioral task
behavioral1
Sample
FastClient-Setup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
FastClient-Setup.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
FastClient.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
FastClient.exe
Resource
win11ltsc2024-20260709-en
General
- Target $PLUGINSDIR/nsis_tauri_utils.dll
- Size 42KB
- Sample260729-jht44afa66
- SHA256 b42cffbed0e96395fe415329b82d89cab38bae2788214ee01c226898a295a548
- MD5 e961ae1735ef9e8b802a8347cb9880dd
- SHA1 31962f717844d841fbfcf2ba0fe675faa448adca
- SHA512 d70d7d321d93694d89ea39d801b0a08a002855523d15f8c342a72d606dced49445ad607251047bfadf1b2ae6ea34642a6a7cb7094f95b1f95b6ff6f638888b67
- SSDEEP 768:XvVnRZHrPT4n4d/CryKDuIcrFKpnp0jdhK7R+qV6YikKj5ALKXBl:XvV3Hrc4EJBcZtXIV67Zl
- TLSH T1A9136A59FCC42D76E5DF05342448993F4A6FD8081B50CAE7A3606E92D6E13336FE522E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- 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 2728 wrote to memory of 1468 2728 rundll32.exe 89
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis_tauri_utils.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis_tauri_utils.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1468
-