f1a35e14ac13a6e686195edb94f749f4b256e74f38c03e450535765a179efcf7

Analysis

max time kernel
30s
max time network
37s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 22:38

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Reason

Machine shutdown

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General

Target

$PLUGINSDIR/System.dll
Size

9KB
MD5

afd989ef7eec6bf952bedfce541fe236
SHA1

5654b71c5b1089c2cec6381d8da5bd14a14e1a37
SHA256

5e97602008ba004c72d58f71e77ffe0a0ea01103867eb12a9ec0f28e72f440d8
SHA512

f4e3d88477d39218667dd482a08904b2b69435db7d1fdd492380544aff83895d393a288c329da69074b69c68f51db45f694dfea81fc12fa2042ed43b3d06440c
SSDEEP

192:XZNEnGTkTwat3s8pXqrpxwvcq5/pZquJKeS:y3nX/N/P9JJS

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4272	2768	WerFault.exe	83

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

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 2768	1824	rundll32.exe	83
PID 1824 wrote to memory of 2768	1824	rundll32.exe	83
PID 1824 wrote to memory of 2768	1824	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1824
- 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:2768
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 612
    3⤵
    - Program crash
    PID:4272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2768 -ip 2768
1⤵
PID:2924

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

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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