a9e4f7ec65670d2ce375ffaf09b6d07f4cd531132ca002452287a4d540154a38

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
24/10/2026, 17:28

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General

Target
$PLUGINSDIR/BgWorker.dll
Size 12KB
Sample261024-v12gnsbs8s
SHA256 a9e4f7ec65670d2ce375ffaf09b6d07f4cd531132ca002452287a4d540154a38
MD5 36c81676ada53ceb99e06693108d8cce
SHA1 d31fa4aebd584238b3edc4768dd5414494610889
SHA512 1300de7b3e1ac9e706e0aad0b70e3e2a21db8c860e05b314a52e63dd66b5dffdf6be1e38ab6ede13bfd3a64631cc909486bf4b1403e7d821e3b566edc514c63c
SSDEEP 192:W9Hsl/fIYiYF8LgaL2AMkKieowU+noPOJB3hy2sE9jBF0NyZKlH6JqEHma:LIYiVLpMNiuPxh8E9VF0NyZ6aJqEHN
TLSH
T1C1425C7709985C16DD1B6D3070C4963AAE36A6865AD082E3322FC1515B84381BBFE3BD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1648	5100	WerFault.exe	85

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 3788 wrote to memory of 5100	3788	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgWorker.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgWorker.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5100 -s 604
    3⤵
    - Program crash
    PID:1648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5100 -ip 5100
1⤵
PID:3680

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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