d99ab4b1a24c00d6367a45148183228f33e89ee943494d0456c519435c0e5842

Analysis

max time kernel
149s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
27/05/2026, 23:48

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
$PLUGINSDIR/System.dll
Size 33KB
Sample260527-3tkvcads61
SHA256 d99ab4b1a24c00d6367a45148183228f33e89ee943494d0456c519435c0e5842
MD5 588fd9fe5e2863d0c3997eb8d7baa4bb
SHA1 6be2371ce245f8af5eba3a22ace8489bfb9d7995
SHA512 be412336fcd8f144990e3740036fb9b39bb605eb938879118fe47c0fcec5f7e741cb60efdd2fb058e9bc7b97db226f1160304d20b0ae1ee2282173c9928d2a60
SSDEEP 384:8xoXlBT3SaMINWf52+4kb1VBNyT8E9VF3ZJ5PxWnRWVolCZsHLIaPxh8E9VF0Nyl:8ypSvIWb3JVErPxAlfTPxWEQT+J
TLSH
T1CDE25C129B546CF1ED9A4E3530E8E92B6E30B7915BD1C5E3576AC0005B913C37AF82EE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4728	2344	WerFault.exe	87

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 3512 wrote to memory of 2344	3512	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 612
    3⤵
    - Program crash
    PID:4728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2344 -ip 2344
1⤵
PID:3140

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

Replay Monitor

Loading Replay Monitor...

Downloads