54167ae0968e05910ef8dcd8bbc345afe3dad810fd3c9d2d3f47ad4caffc456d

Analysis

max time kernel
149s
max time network
127s
platform
windows11-21h2_x64
resource
win11-20260911-en
resource tags

arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
02/10/2026, 15:39

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General

Target
$PLUGINSDIR/System.dll
Size 28KB
Sample261002-s3vqssvbpb
SHA256 54167ae0968e05910ef8dcd8bbc345afe3dad810fd3c9d2d3f47ad4caffc456d
MD5 4fd5a2cd0c65c6552fea0cc11938f251
SHA1 e8f11c1f919eee06f8ebfde989ff53a15243e57f
SHA512 7703a4a59be8a1e349ae7435f9f3f25698aa774428c7e99cc34a27ce51cc41fe6ca09102dab6ead10fd71e30db14852f12ef57587845ec9ab85e70be2ad85609
SSDEEP 384:m9YwotlRxnX/+XWmsKP73mwYbhzc7qxD6jT6s6HXRes59:mOrRtXjtWGMqgjW6U
TLSH
T19DD2081AFF06C9F2C1E2D57049DFFB77C626B92847260E6BFF1E5E08B8236125909205
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
6020	2660	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 5408 wrote to memory of 2660	5408	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5408
- 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:2660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 460
    3⤵
    - Program crash
    PID:6020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2660 -ip 2660
1⤵
PID:4104

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

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Downloads

memory/2660-0-0x00000000752E0000-0x00000000752EE000-memory.dmp

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