Overview
overview
8Static
static
3letsvpn-latest.exe
windows10-2004-x64
8letsvpn-latest.exe
windows11-ltsc_2024-x64
8$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3driver/tapinstall.exe
windows10-2004-x64
driver/tapinstall.exe
windows11-ltsc_2024-x64
Analysis
- 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
15/08/2026, 22:13
Static task
static1
Behavioral task
behavioral1
Sample
letsvpn-latest.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
letsvpn-latest.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
driver/tapinstall.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
driver/tapinstall.exe
Resource
win11ltsc2024-20260709-en
General
- Target $PLUGINSDIR/nsDialogs.dll
- Size 9KB
- Sample260815-15fcwsvapf
- SHA256 89a82c4849c21dfe765052681e1fad02d2d7b13c8b5075880c52423dca72a912
- MD5 b7d61f3f56abf7b7ff0d4e7da3ad783d
- SHA1 15ab5219c0e77fd9652bc62ff390b8e6846c8e3e
- SHA512 6467c0de680fadb8078bdaa0d560d2b228f5a22d4d8358a1c7d564c6ebceface5d377b870eaf8985fbee727001da569867554154d568e3b37f674096bbafafb8
- SSDEEP 96:ooEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YMNqkzfFc:ooEvCu5e81785qHFcU0PuAw0uyyIFc
- TLSH T16A12F992E2A454B3C5D6523B35AA2F2DCBBD5329B0927C01C7738E4D393957A6E38343
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 3772 2564 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 4300 wrote to memory of 2564 4300 rundll32.exe 86
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2564 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 6363⤵
- Program crash
PID:3772
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2564 -ip 25641⤵PID:4572