0e07e5c089dbb813f9eda46f7cb2fde7b6478def237cc8d207b0f9b0b1c7e92c

Analysis

max time kernel
91s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
17-11-2024 13:51

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General

Target

$PLUGINSDIR/System.dll
Size

22KB
MD5

a36fbe922ffac9cd85a845d7a813f391
SHA1

f656a613a723cc1b449034d73551b4fcdf0dcf1a
SHA256

fa367ae36bfbe7c989c24c7abbb13482fc20bc35e7812dc377aa1c281ee14cc0
SHA512

1d1b95a285536ddc2a89a9b3be4bb5151b1d4c018ea8e521de838498f62e8f29bb7b3b0250df73e327e8e65e2c80b4a2d9a781276bf2a51d10e7099bacb2e50b
SSDEEP

384:V8QIl975eXqlWBrz7YLOlE/NyQH38E9VF6IYinAM+oZ5a1TN:VgPgrfYLO+rMEpYinAMxZG

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1560 3544 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
1560	3544	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 2324 wrote to memory of 3544	2324	rundll32.exe	rundll32.exe
PID 2324 wrote to memory of 3544	2324	rundll32.exe	rundll32.exe
PID 2324 wrote to memory of 3544	2324	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3544 -s 460
    3⤵
    - Program crash
    PID:1560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3544 -ip 3544
1⤵
PID:4872

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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