440368688434b4af8b947308d55d4397d4f207b7dd625cf8c5356c30068e50f4

Analysis

max time kernel
84s
max time network
97s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
04-08-2024 17:41

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General

Target

vk_swiftshader.dll
Size

3.7MB
MD5

8cafc6a2d708c9f4d3009d7e135a641c
SHA1

e2a4aaf005ffce737246a2cdac38322664ae6088
SHA256

e481daf4a92f3b1e73ba4cd85546d561a21c214ef74bfedf9c8f87319857a83e
SHA512

1c9f365eb5ae2b78dec93f567c32c420e9a5706b82d51b1129cd899959404a53ca34c1fb70cc041ebd191e5ca5479b21e1505b70dbe6fc203c79fa8b930a4a0d
SSDEEP

49152:NkCQYIV3ZtjgctGIW0yPC5X/23J2/8JrtVkjY0eGrtiOjhfwqeAztw3GjaWBeRnt:bBrPaOBtB+rtiOjhtMWjaWkRKNdh2

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4444 4348 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
4444	4348	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 968 wrote to memory of 4348	968	rundll32.exe	rundll32.exe
PID 968 wrote to memory of 4348	968	rundll32.exe	rundll32.exe
PID 968 wrote to memory of 4348	968	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vk_swiftshader.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vk_swiftshader.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:4348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 448
3⤵
- Program crash
PID:4444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4348 -ip 4348
1⤵
PID:1172

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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