Overview
overview
4Static
static
3npp.8.9.8....er.exe
windows10-2004-x64
4npp.8.9.8....er.exe
windows11-ltsc_2024-x64
4$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3Analysis
- max time kernel
148s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
01/10/2026, 12:19
Static task
static1
Behavioral task
behavioral1
Sample
npp.8.9.8.1.Installer.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
npp.8.9.8.1.Installer.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260911-en
General
- Target $PLUGINSDIR/System.dll
- Size 12KB
- Sample261001-phex3abe74
- SHA256 996645d7f16a6294babb6da83478062aed7b72318d7a51b66e90ab5d3edc51a5
- MD5 6d08f0d5503bb100b8429fefaad163a6
- SHA1 2a79aac2d3b715326c3dcd3c5cf2e33de3632a0a
- SHA512 e259b1aff39c533e3e31cf4eb323c8eb22b2beeb5d8ce2c929de30702a6d8ab8076aeacc983d724b05d7d99a6de8c4d239bd159642c7e75fb86faef683360a1f
- SSDEEP 192:cjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZr0QPi:s/Qlt7wiij/lMRv/9V4brr
- TLSH T1A9427C1297B089F2F151093819667F2A6FBEAC5C23F405A3CFE304C63D212CB9879243
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 3492 3552 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 4596 wrote to memory of 3552 4596 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:4596 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3552 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 6123⤵
- Program crash
PID:3492
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3552 -ip 35521⤵PID:1412