f0a0f280fbed17e523dd3417f0274d3a3d74eb59f42ab8ed15e105471fade759

Analysis

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

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
27/05/2026, 23:48

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General

Target
$_54_/Protect/AssistMain.dll
Size 3.0MB
Sample260527-3tkvcads61
SHA256 f0a0f280fbed17e523dd3417f0274d3a3d74eb59f42ab8ed15e105471fade759
MD5 34ecaaebe3d22e04875f3a741baac9d9
SHA1 d9bc61ae0a69a019564155307ef078b7665b80d7
SHA512 0d46af5b79f38160493b2dd21f115ec12e44b4f51d0cd8d3c9f80c9652e8098c4ce87e635510378920ca5429455d76a9865ab29e57477982be931c7e4c8e402b
SSDEEP 49152:oWAl+wBOegiA7nxzbUY8iboSHFxzN22T/UjU/2moQnUqsr8y0ZU2FdPJtCJq:oWle7ynxWeFxzNeS2mo9C
TLSH
T1D1E59D30B606C23AD19E02B05A6D9E6F805D7A650B7048C7F3D45F2E78769C35B32E6B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2448	2136	WerFault.exe	81

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 4428 wrote to memory of 2136	4428	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_54_\Protect\AssistMain.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4428
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_54_\Protect\AssistMain.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 628
    3⤵
    - Program crash
    PID:2448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2136 -ip 2136
1⤵
PID:4552

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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