8fef46b5b026c0a615b3e62d8a4ebfe9de8787417f17c3d5e4741006b6e4ae79

Analysis

max time kernel
108s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 23:14

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General

Target

$PLUGINSDIR/WndSubclass.dll
Size

4KB
MD5

0a0218f11d82cdcc4f50de8edd58f3ca
SHA1

ba387579a8ddd175811c762902a9bf3a51ba9fd2
SHA256

938e4ae758aebc6f1609aab9f8d068689fba91c6f3bf5bb46e4df575616fcd29
SHA512

46742bc09b5199ac16fb2753a4b1584fa1b39d497869719e297574dfbfe4a0aa86ba7c6b77ef38e5e27734005c9d15036c52a577b08cfdfa104daae2ee756a5e

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3540	408	WerFault.exe	86

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 4904 wrote to memory of 408	4904	rundll32.exe	86
PID 4904 wrote to memory of 408	4904	rundll32.exe	86
PID 4904 wrote to memory of 408	4904	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WndSubclass.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WndSubclass.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 600
    3⤵
    - Program crash
    PID:3540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 408 -ip 408
1⤵
PID:4996

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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