efb9fd3fc9c5a53fca52af7c18a280b1fd5d1f28d4fdd73a2ffc67e6f1978f0e

Analysis

max time kernel
148s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/08/2026, 03:02

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General

Target
efb9fd3fc9c5a53fca52af7c18a280b1fd5d1f28d4fdd73a2ffc67e6f1978f0e.dll
Size 955KB
Sample260823-djsd1asckf
SHA256 efb9fd3fc9c5a53fca52af7c18a280b1fd5d1f28d4fdd73a2ffc67e6f1978f0e
MD5 8cc5261bdeff5060e564060583b7d18d
SHA1 5367f38286afd912ac25c77eb475223bc1d0cf60
SHA512 19787a1cdc0b894f6cc2f3cfb2f5eebdffec08e0f3e39d89c9c271e12058f31a015df24092a26b30cd9a157875977cb958510b7541ab44665df2116930440343
SSDEEP 12288:elwAcuL0kf08THKKw9+5vt5kUm3axSxwOcu5rFMyMWh6P85SejFjoyM4YWnI:elwbHihwCnkJ3axfOv55MyZNJFQWI
TLSH
T1CE259E02E555C0B1C16D11B02577773AAA785B620A70CB97EBD4EEF97C322E1A32235F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5592	5692	WerFault.exe	89

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 SetWindowsHookEx 1 IoCs

pid	Process
5692	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 5692	1860	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\efb9fd3fc9c5a53fca52af7c18a280b1fd5d1f28d4fdd73a2ffc67e6f1978f0e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\efb9fd3fc9c5a53fca52af7c18a280b1fd5d1f28d4fdd73a2ffc67e6f1978f0e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5692 -s 708
    3⤵
    - Program crash
    PID:5592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 5692 -ip 5692
1⤵
PID:4624

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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