e946aaee3ea4d75b54e8e7b6d874c2d149189141a3523e14fb413fad3973410d

Analysis

max time kernel
149s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
21/04/2026, 07:35

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General

Target
$PLUGINSDIR/StdUtils.dll
Size 111KB
Sample260421-jesf4ady5x
SHA256 e946aaee3ea4d75b54e8e7b6d874c2d149189141a3523e14fb413fad3973410d
MD5 2ac148134b65e01f0763fab3f89250e6
SHA1 e1ac441b3d5c0e8945aa7e89b037354c96a08e20
SHA512 b5451ffe19170aaffbcfedb5260863ca60459305fc2e0ca4f9c92b74c5cb9ffaa7b26c1e6e8aab403e591eb0e7626b8d48a53086fa1eaf29227a3904047fd3b7
SSDEEP 3072:fNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHftrJVa:fNuZ81zaAFHhF9vWJVa
TLSH
T173B35C72A2F5ACB5E4A70B3D2469BB268CB77B383431D93F2342014BC634546DA6D35B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5972	2200	WerFault.exe	79

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 5024 wrote to memory of 2200	5024	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 536
    3⤵
    - Program crash
    PID:5972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2200 -ip 2200
1⤵
PID:4188

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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