4c5b72bbd776deb8eda9b5f6f489fec6ce8f2d99bd7bce86b21a8704ab0103e4

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/05/2026, 12:39

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General

Target
RenderSystem_GL.dll
Size 545KB
Sample260502-pvsppafy4x
SHA256 4c5b72bbd776deb8eda9b5f6f489fec6ce8f2d99bd7bce86b21a8704ab0103e4
MD5 6bfc4ece5c06bd5d45d4fca0c4f88e3f
SHA1 ba375d04ff1aec62ccfd9df7606b4a95dfec549a
SHA512 febf47b3888b897f047a49ddf76a5cde6593f0889c5e5255582d2e143d3776b3436b273626a7398e6bebe30593556d8aa7689041a1758bd8b88bccf58007ff1f
SSDEEP 12288:p48RhIrRetFcTFVwN1VtEyw+q7xBx9NnO7liC:qlet8VtyEBx9lORi
TLSH
T1BBC46B13EB1783B6CA0B237A2453AF9B52BCA9401319A7C7F3959CA50DF5BC29CB5344
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1588	3256	WerFault.exe	83

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 2156 wrote to memory of 3256	2156	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\RenderSystem_GL.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\RenderSystem_GL.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 628
    3⤵
    - Program crash
    PID:1588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3256 -ip 3256
1⤵
PID:740

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

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Downloads

memory/3256-1-0x00000000027B0000-0x0000000002CE3000-memory.dmp

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