ae2001d5b60a2f0bd8e72c0106363950cd9f68e9ce42b9a40b0af26814908809

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
10-08-2024 07:59

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General

Target

$PLUGINSDIR/CheckProVs.dll
Size

7KB
MD5

62e85098ce43cb3d5c422e49390b7071
SHA1

df6722f155ce2a1379eff53a9ad1611ddecbb3bf
SHA256

ee7e26894cbf89c93ae4df15bdb12cd9a21f5deacedfa99a01eefe8fa52daec2
SHA512

dfe7438c2b46f822e2a810bc355e5226043547608d19d1c70314e4325c06ad9ad63a797905e30d19f5d9a86ee1a6d9c28f525a298731e79dbf6f3d6441179a8e
SSDEEP

96:iqCVh8iNqVgRudZczLiJp2tvgaJOnT/323x3XQUPVAm6yBBECtu7ZyvN:9IhJqUudZkLi+bOni3x3X3PVR6yBBfj

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4608 4476 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
4608	4476	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 1392 wrote to memory of 4476	1392	rundll32.exe	rundll32.exe
PID 1392 wrote to memory of 4476	1392	rundll32.exe	rundll32.exe
PID 1392 wrote to memory of 4476	1392	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CheckProVs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1392

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CheckProVs.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:4476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4476 -s 452
3⤵
- Program crash
PID:4608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4476 -ip 4476
1⤵
PID:2424

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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