44b1d70219f88564d94da9fc8a7ca4d25d103575519c84a44df3057b8af98f71

Analysis

max time kernel
898s
max time network
428s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
05/05/2026, 03:07

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 15KB
Sample260505-dmaclabw8j
SHA256 44b1d70219f88564d94da9fc8a7ca4d25d103575519c84a44df3057b8af98f71
MD5 cfc7c53e282b0a7c527e4ed091f17fcd
SHA1 3f3fb2dfaa9a0576803c5fd693f5c4c288ae4f1e
SHA512 367fc4024397381cfc5fa83b303d5eb78e97904821260589ce81a51c3cbe5d7f5dd0bf7fa07142bcb13a91bce2b523de21cbb1d940cb7fdfeca35c54c67694f6
SSDEEP 192:EhGQtZkTktEQUrJaZfuyCnSmUsv3sY7L7cW8Y6Q86QvoTmT11929WtshLAzgSrX8:EhNt+4t7uJalUnGesY7Lt8nCy/Yosa
TLSH
T162624D1137D598B3E2E62A797EF377138FA5F722A4428E0BC7332E0638565806D78311
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5088	4212	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 220 wrote to memory of 4212	220	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4212
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4212 -s 548
    3⤵
    - Program crash
    PID:5088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4212 -ip 4212
1⤵
PID:1744

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/4212-0-0x0000000000CB0000-0x0000000000D6B000-memory.dmp

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