b4b87355602da3e7e9ae03c3ae1def2c61d7e799a7c1e0cfc25ed8f4a6905fca

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-09-2024 06:01

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General

Target

$PLUGINSDIR/advsplash.dll
Size

5KB
MD5

15d8eee287329e2030c34c6bb3e62c87
SHA1

1de23c0883f7a80a489e140c55b16970dd0264ab
SHA256

9bf33690090655e91389469beb5dbdd45942192f2e2486c9fa82fa6d74a0f88b
SHA512

6ee495dcefd131ca490d6f3077643f49598184c3a49f1f66ed7a6d1559ebb9266c8c87cf49c06cdde8a6cd0643fb46f83d13aa5f27ba0c90de4791cb8bad29c0
SSDEEP

96:XqNXqwK188CgAtXvZBkjDf0yf9ysrtWpywol:XAqrg1XvZB6kYtWpy

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2400 3076 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
2400	3076	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 2672 wrote to memory of 3076	2672	rundll32.exe	rundll32.exe
PID 2672 wrote to memory of 3076	2672	rundll32.exe	rundll32.exe
PID 2672 wrote to memory of 3076	2672	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\advsplash.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\advsplash.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 616
    3⤵
    - Program crash
    PID:2400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3076 -ip 3076
1⤵
PID:2636

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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