1f8af397e46ca3a3af91872a4d6e49d21deff551be2b19f0fc085c646e4380e1

Analysis

max time kernel
30s
max time network
143s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
10-09-2024 03:48

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General

Target

Plugin/defaults/AudioHLE.dll
Size

68KB
MD5

ee54e5d42f2d9784506c37fdc235ae5a
SHA1

7ac1b10156c5cd6f3b9f7d7207970e29d23a12be
SHA256

05716607aaf34816077625a76a08e8176d69cb12d657edd9cad3ee50e1e44644
SHA512

5238f468ae7c75b839b95e34178f6d3f2783466970ed91663d1722691bae0125f81ba66965e9363e36d25660f4ce59ed3b6f2191e44112fc72ea733948888b6a
SSDEEP

768:Ed5GyE3g4t5BLj7QcUIEyq8IprZBCHURkhaftnk36JKUkkfK1RkuQ:GEPpDgtK4lk36Jk1

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1564 2772 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
1564	2772	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 956 wrote to memory of 2772	956	rundll32.exe	rundll32.exe
PID 956 wrote to memory of 2772	956	rundll32.exe	rundll32.exe
PID 956 wrote to memory of 2772	956	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugin\defaults\AudioHLE.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugin\defaults\AudioHLE.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 500
    3⤵
    - Program crash
    PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2772 -ip 2772
1⤵
PID:1020

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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