3f89c7d72378f5fd330247aa261f097da0d1bfefd3d2e19c49aee42ae412f656

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
11/02/2025, 11:10

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General

Target

$PLUGINSDIR/LangDLL.dll
Size

5KB
MD5

b21a3377e66b941df6d5b7cf8ba7a43a
SHA1

e7ed27fce2db9cdc11ca3c640806731dcef3864a
SHA256

ba46a03088f690ce966043f49761ff3a3a0dca236160794de841dfecc3588d1e
SHA512

f011a824c0ff7f87c6da112898f4afc87e12c5b39fb40ffcc0955012e79a4302597d892224b3b47e8143480605c73275d3799d6d2000cdf179c2912241f86916
SSDEEP

48:im1YEhqneMPUptuMMNvimk2BAZuMTRCpYEvJdUJvR0Jsof5dwe:F1apl9NLBAZuYtR0/d

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	2832	WerFault.exe	84

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 3 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2832	1732	rundll32.exe	84
PID 1732 wrote to memory of 2832	1732	rundll32.exe	84
PID 1732 wrote to memory of 2832	1732	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- 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:2832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 600
    3⤵
    - Program crash
    PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2832 -ip 2832
1⤵
PID:3924

Network

MITRE ATT&CK Enterprise v15

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

Windows 7 deprecation

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