Overview
overview
8Static
static
1Un_A.exe
windows11-21h2-x64
4Un_A.exe
windows11-ltsc_2024-x64
4$PLUGINSDI...LL.dll
windows11-21h2-x64
3$PLUGINSDI...LL.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...nk.dll
windows11-21h2-x64
3$PLUGINSDI...nk.dll
windows11-ltsc_2024-x64
6$PLUGINSDI...er.bmp
windows11-21h2-x64
$PLUGINSDI...er.bmp
windows11-ltsc_2024-x64
8$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-ltsc_2024-x64
6Analysis
- geolocation tags
cacanadananorth-americatoronto - max time kernel
898s - max time network
448s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
04/08/2026, 04:34
Static task
static1
Behavioral task
behavioral1
Sample
Un_A.exe
Resource
win11-20260513-en
Behavioral task
behavioral2
Sample
Un_A.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win11-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/modern-header.bmp
Resource
win11-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/modern-header.bmp
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20260513-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11ltsc2024-20260709-en
General
- Target $PLUGINSDIR/ShellLink.dll
- Size 15KB
- Sample260804-e7apja1fqa
- SHA256 eae7829a3df5d8d63e16787f7c3d5ae4b82b3b79c2cd7aad9c2532374b6ea522
- MD5 130e29fa7dc68393d3ef12fa5fe876b9
- SHA1 54d3b821df8f42e26698f0cf99bca5d2e6aa080e
- SHA512 56dbae0e1918ed50c99a863304544d5d31925c62d4ebfd7244d67f909c353ee4160b081b43832cf33f1048f998431ba14270600de512dc6c853a17dd524df317
- SSDEEP 384:Ld7JQGYNyQH38E9VF6IYinAM+oZiDzQ06:LgVMEpYinAMxZqzB6
- TLSH T187724C638B75EC51CC0FCD3674C4B9369A71AB8615E0C5DA1389C6904B9238B3FF91B9
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 2520 2076 WerFault.exe 79 - 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 2456 wrote to memory of 2076 2456 rundll32.exe 79
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ShellLink.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2456 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ShellLink.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2076 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 4603⤵
- Program crash
PID:2520
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2076 -ip 20761⤵PID:2876