ed33b03df3b54da299df5b2452ecf637ca91b46325fa9e318a6fbff92f498a20

Resubmissions

09/11/2025, 03:52

251109-efe5yazngk

09/11/2025, 03:47

251109-ecl43sdx2b3

Analysis

geolocation tags

nanew-jerseynorth-americaunited-statesususa
max time kernel
88s
max time network
74s
platform
windows11-21h2_x64
resource
win11-20251015-en
resource tags

arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
submitted
09/11/2025, 03:47

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General

Target
d3dcompiler_47.dll
Size 3.3MB
Sample251109-ecl43sdx2b
SHA256 efbdbbcd0d954f8fdc53467de5d89ad525e4e4a9cfff8a15d07c6fdb350c407f
MD5 c5b362bce86bb0ad3149c4540201331d
SHA1 91bc4989345a4e26f06c0c781a21a27d4ee9bacd
SHA512 82fa22f6509334a6a481b0731de1898aa70d2cf3a35f81c4a91fffe0f4c4dd727c8d6a238c778adc7678dfcf1bc81011a9eff2dee912e6b14f93ca3600d62ddd
SSDEEP 49152:PyZ9lnpmVm/w+EwVOmufvkQS8MH2J9CqS5Sqr88pPWW5KhQYPsXqUiQ6:E9fWAwVBC8MH2JNSF8+YPsXqUT6
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5084	5092	WerFault.exe	82

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 2076 wrote to memory of 5092	2076	rundll32.exe	82
PID 2076 wrote to memory of 5092	2076	rundll32.exe	82
PID 2076 wrote to memory of 5092	2076	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3dcompiler_47.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3dcompiler_47.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 472
    3⤵
    - Program crash
    PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5092 -ip 5092
1⤵
PID:5044

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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