550321da5b10c472bc719bca2c0df74b240f80eff828079eb5253598fe112ae3

Analysis

max time kernel
89s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
05-10-2024 12:12

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General

Target

$SYSDIR/d3dx9_25.dll
Size

2.2MB
MD5

5b48fe9d6686f0d54b26a005ace24d1d
SHA1

1c395f6d2aa729a607e69dca73f8205cefd26aa4
SHA256

4c54df27ce84d21b2924e64ff79b13e7876ce85d8e0c9c1d0abd8da73888187a
SHA512

6a4fa549578097ba36495ec210365c27d165065820f0fdad20864a3139949e72da00f9b7c614d07d8950307e596b693ed7a291a5c69cc0f9ba30c5f74d6332f1
SSDEEP

49152:IxfcP6/1/QQ0ANFrbfxdqPeQ6eg+XMD3hP7zfOHXD:IxfcP6/1X0ANFrbfxdqPeQfg+XMD3hPQ

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4948	240	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 3 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 240	4916	rundll32.exe	79
PID 4916 wrote to memory of 240	4916	rundll32.exe	79
PID 4916 wrote to memory of 240	4916	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\d3dx9_25.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\d3dx9_25.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 240 -s 468
    3⤵
    - Program crash
    PID:4948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 240 -ip 240
1⤵
PID:2516

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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