4f0cb93db288c22750261de1533c4d7a8ebbe2f14133ae106b30132bcaf89956

Analysis

max time kernel
298s
max time network
289s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
04/06/2026, 21:56

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
$PLUGINSDIR/UserInfo.dll
Size 7KB
Sample260604-1thzmsf19y
SHA256 4f0cb93db288c22750261de1533c4d7a8ebbe2f14133ae106b30132bcaf89956
MD5 80f4ee6d9e8029b106fab8bbe693ff58
SHA1 65fa73023719d00fe3c7eec46dc866f5e7cae1e7
SHA512 11157274e63478d15bd79b6622606b5dac786ab3636fbe6fb0f2739c1f1bc1ce073c0090573fef722fedc026d7290cac26cf1b9bdf45ec76fe195e91099afc45
SSDEEP 96:98oHQOyTsHejg5OwYuRkNB/Rj7RFazSvqeR66M:Ig2oAYkv/RHba0qe
TLSH
T137E19649F73845F2D463D93080DBF62F7F5A74584A2B1A09EF5B2D1A78266702C5E306
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4080	3592	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 5100 wrote to memory of 3592	5100	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 468
    3⤵
    - Program crash
    PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3592 -ip 3592
1⤵
PID:1624

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

Loading Replay Monitor...

Downloads

memory/3592-0-0x0000000074A00000-0x0000000074A08000-memory.dmp

Download