efbb37b107c8beac69a61c8835092c83af183bdd08c02c6837b972093ae1ab59

Analysis

max time kernel
149s
max time network
123s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
03/06/2026, 22:24

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General

Target
vulkan-1.dll
Size 757KB
Sample260603-2bt5maez21
SHA256 efbb37b107c8beac69a61c8835092c83af183bdd08c02c6837b972093ae1ab59
MD5 80267384d0e0bf016840f9dfc8558653
SHA1 9aee826186efad6164b793f591c62f2a651b434d
SHA512 69cfbc086e94e8223bfa6e7e7acbfe4b612bc0196e9ad6df6e36d25e41aab506605e201572a63575f107c9699aab419bab964be4b56e9aff53443c0308625764
SSDEEP 12288:zbiQkRHinb1uDXVyQf7DZXavmaVM6Z5WjDYsHy6g3P0zAk7Kueh/:z+VdOoDF3f7DwvTVM6Z5WjDYsHy6g3Pc
TLSH
T111F47C17BDC8C2B5DA3F3030A670B67B067D6492536488DB368C7F60ABB82D0157D76A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5360	2932	WerFault.exe	80

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 4524 wrote to memory of 2932	4524	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vulkan-1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\vulkan-1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2932
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2932 -s 484
    3⤵
    - Program crash
    PID:5360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2932 -ip 2932
1⤵
PID:2200

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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