4c54df27ce84d21b2924e64ff79b13e7876ce85d8e0c9c1d0abd8da73888187a

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
29/07/2026, 15:50

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General

Target
$SYSDIR/d3dx9_25.dll
Size 2.2MB
Sample260729-s97nyaah67
SHA256 4c54df27ce84d21b2924e64ff79b13e7876ce85d8e0c9c1d0abd8da73888187a
MD5 5b48fe9d6686f0d54b26a005ace24d1d
SHA1 1c395f6d2aa729a607e69dca73f8205cefd26aa4
SHA512 6a4fa549578097ba36495ec210365c27d165065820f0fdad20864a3139949e72da00f9b7c614d07d8950307e596b693ed7a291a5c69cc0f9ba30c5f74d6332f1
SSDEEP 49152:IxfcP6/1/QQ0ANFrbfxdqPeQ6eg+XMD3hP7zfOHXD:IxfcP6/1X0ANFrbfxdqPeQfg+XMD3hPQ
TLSH
T108B59D51EA968274CCA721B0229E33F4216C9B70176017CF96442FD9AFF12E69F7439B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3520	1120	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 1 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 1120	4892	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\d3dx9_25.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4892
- 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:1120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 612
    3⤵
    - Program crash
    PID:3520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1120 -ip 1120
1⤵
PID:2908

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/1120-0-0x00000000020D0000-0x0000000002323000-memory.dmp

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