381ce74fe2c93bd7f31faeb05bd223b25354a03b6ac3098145f5a943272c4c02

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/06/2026, 09:40

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General

Target
$PLUGINSDIR/System.dll
Size 12KB
Sample260604-lnfvrsb15w
SHA256 381ce74fe2c93bd7f31faeb05bd223b25354a03b6ac3098145f5a943272c4c02
MD5 f3fdb8089ad2271be558053c4f69f0bd
SHA1 28656faf1d3679f8669938cf0be4735109ccad92
SHA512 beea156cb0b8d713d4d1ac497c79fb619ec97ffcb86762c3491175fae8681834dc7a5a281885471d5a4a8483bc731c9864b5db389e1aef02d6d4cb259411c5c5
SSDEEP 192:ZFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/W93:R7pJp48F2exrg5F/W
TLSH
T106424B1583618EF2F5961E3C00667E2F2B79BE3416F140A39FE34481A99A1CF99B5392
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2832	1116	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 3484 wrote to memory of 1116	3484	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3484
- 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:1116
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 612
    3⤵
    - Program crash
    PID:2832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1116 -ip 1116
1⤵
PID:4916

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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