4cf25411f28f639f72156c24b0f66ea42f5aee5973f6c137d901da6ae42d5b7e

Analysis

user interaction
yes
max time kernel
149s
max time network
124s
platform
windows11-21h2_x64
resource
win11-20260911-en
resource tags

arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
07/11/2026, 10:16

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General

Target
$PLUGINSDIR/LangDLL.dll
Size 5KB
Sample261107-mar7bact3r
SHA256 4cf25411f28f639f72156c24b0f66ea42f5aee5973f6c137d901da6ae42d5b7e
MD5 4b8a750993567ac9a350ba9768fabfa0
SHA1 7ee7a8c313b292d62561b085c9d490c0f8065624
SHA512 c2a06e352815a2f5340e8244cf2c5a4a5cd7e7848ea67e454ab207262cb33130008491e83d053c778bea97720f7387de737bf15355db3cd5477b94f3571107bb
SSDEEP 48:S46+/TTKYKxbWsptIp5tCZ0iVEAWyMEv9v/ft2O2B8mkGofjLl:zxuPbO5tCZBVEAWyMEFv2CmqL
TLSH
T171C1A370B3D248B9D591413778AB33D36612AE746784500FDB6311AA3820AE7AD3EBC2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1316	4296	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 2984 wrote to memory of 4296	2984	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4296
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4296 -s 448
    3⤵
    - Program crash
    PID:1316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 212 -p 4296 -ip 4296
1⤵
PID:3976

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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