a91aa7c0ead677fc01b1c864e43e0cace110afb072b76ad47f4b3d1563f4dc20

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
05/09/2026, 03:16

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General

Target
$PLUGINSDIR/System.dll
Size 23KB
Sample260905-dss2wsswf1
SHA256 a91aa7c0ead677fc01b1c864e43e0cace110afb072b76ad47f4b3d1563f4dc20
MD5 938c37b523d7fc08166e7a5810dd0f8e
SHA1 47b9663e5873669211655e0010e322f71b5a94be
SHA512 77afe83fb4e80a775dae0a54a2f0ff9710c135f9f1cf77396bc08a7fe46b016a8c079b4fa612e764eea5d258703f860688e38b443e33b1f980e04831739517c1
SSDEEP 384:58QIl975eXqlWBrz7YLOlACZSf+VIYiWLbLWQaZdPxh8E9VF0Ny0W3N9:5gPgrfYLOWJ/YiW8PxWE6Y9
TLSH
T1EFB28D2346505CB2DD46893074D92936AFB5768299E0C9D3A357C142AFA07C37FFC2BA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2964	1516	WerFault.exe	85

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.

discovery

System Language Discovery

T1614.001

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 4232 wrote to memory of 1516	4232	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4232
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1516
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 612
    3⤵
    - Program crash
    PID:2964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1516 -ip 1516
1⤵
PID:616

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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