ef3a94b6dbd83bcf04e6d612ce5408a6c0f05a78f4efd9421284e1db247f0a70

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/10/2026, 09:27

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General

Target
ef3a94b6dbd83bcf04e6d612ce5408a6c0f05a78f4efd9421284e1db247f0a70.dll
Size 191KB
Sample261020-le6ptsys5p
SHA256 ef3a94b6dbd83bcf04e6d612ce5408a6c0f05a78f4efd9421284e1db247f0a70
MD5 ebbb6378ed5d9e63bdcef1d2a393a778
SHA1 2365a4881504482a313c4f2aaef063aadefcfca1
SHA512 84a3531c4a93a4dc70751f363f6e55c82341946192fb176a1ebc0b88a8df3f18551ae546bbad8fa5a846b17ee296b9e711de0c8f9cb9f42dacc382cb0b20397f
SSDEEP 3072:6izl/z/vmXW+46J/iTGG8rImkqDk1WC/MDKBSoj3hFz5x/pgdI9Vn:6OzmXl4wVDAWCEDKbD5x/kI9V
TLSH
T1D6141262DDCFA3F4D80B5B74E9CD8C5EF0A118A21B5FC62727C10B12D7D2AA66238511
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2456	4136	WerFault.exe	87

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 4152 wrote to memory of 4136	4152	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef3a94b6dbd83bcf04e6d612ce5408a6c0f05a78f4efd9421284e1db247f0a70.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef3a94b6dbd83bcf04e6d612ce5408a6c0f05a78f4efd9421284e1db247f0a70.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 516
    3⤵
    - Program crash
    PID:2456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4136 -ip 4136
1⤵
PID:5632

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

Replay Monitor

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Downloads

memory/4136-1-0x00000000743A0000-0x00000000749FE000-memory.dmp

Download

memory/4136-0-0x00000000743A0000-0x00000000749FE000-memory.dmp