25ae7577e066fa80519a8f1c314b15cdd22e4a8d3ecd2a36eccc79e40714a91d

Analysis

max time kernel
598s
max time network
403s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
17/05/2026, 13:25

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General

Target
MEIPreload/opengl32sw.dll
Size 15.3MB
Sample260517-qpdh9agy6x
SHA256 25ae7577e066fa80519a8f1c314b15cdd22e4a8d3ecd2a36eccc79e40714a91d
MD5 8b197f55264a44b7b25046f7ba5bd7d2
SHA1 cef69e168160968e00ffffa136e1af7819e7c0ce
SHA512 6af2b1b17a7e3460099359a6750221aacb8f9ce0e80b346dbafd2cbd8e579543b980f98e0aeb199e0781a045c9d6a7f2f11c8628f960c13550328487b7fa9154
SSDEEP 393216:rNkEXgt/UOdyRLjqkmbBDrta60HYUnuedxO0g//NuPyEMO32ovq:rN1QtXdyRLjqNbBDrta60HYUpO0Q/NuZ
TLSH
T157F6AE21F641C271F8DA11F296BDBB6B667C9634131A42C3E3D81D65AE207D32B3634B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
3492	rundll32.exe
3492	rundll32.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
3492	rundll32.exe
3492	rundll32.exe
3492	rundll32.exe
3492	rundll32.exe
3492	rundll32.exe
3492	rundll32.exe
3492	rundll32.exe
3492	rundll32.exe
3492	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5532 wrote to memory of 3492	5532	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MEIPreload\opengl32sw.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\MEIPreload\opengl32sw.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3492

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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