ca6f6ef58a3c935b1ea7393d7b52252946c294ab4dfd4f76c5349035184423f4

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-10-2024 05:59

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General

Target

DevMon.dll
Size

47KB
MD5

5a5a5fa1f59fe58016d46e31f990ca7a
SHA1

4c39e6428722c2231c3caa4648ba24e817a13f23
SHA256

a6cbed7c581013d726b0a57f6c72124b77dcf4cffbf8fff40e5692c5d293628e
SHA512

7d4bb2cdcbf009b10242ea07c83de7e3aeabdd301b532d2ec628145de86fdc77d9886ae7092d99a0b60c8eb93f5cf47ca085c899b29f993faf356f91e7bf893c
SSDEEP

768:fG9LlON+XojjhlGX/Nbh8Fsn2NEDYoJdF7Dd89IENmE:fwLlOss0X/Tld58fH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4476 3728 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
4476	3728	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 4864 wrote to memory of 3728	4864	rundll32.exe	rundll32.exe
PID 4864 wrote to memory of 3728	4864	rundll32.exe	rundll32.exe
PID 4864 wrote to memory of 3728	4864	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\DevMon.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\DevMon.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 612
    3⤵
    - Program crash
    PID:4476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3728 -ip 3728
1⤵
PID:3192

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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