45a431ea52615c2f18f7b9e7999c9a5d4f69bf1d680243ad78f28f99e901c6d8

Analysis

max time kernel
139s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
submitted
02-05-2024 19:33

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General

Target

rat/old.dll

Score

3^/10

discovery

Malware Config

Signatures

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2860	5076	WerFault.exe	86
2452	5076	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 5048 wrote to memory of 5076	5048	rundll32.exe	86
PID 5048 wrote to memory of 5076	5048	rundll32.exe	86
PID 5048 wrote to memory of 5076	5048	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\rat\old.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\rat\old.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 560
    3⤵
    - Program crash
    PID:2860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 848
    3⤵
    - Program crash
    PID:2452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5076 -ip 5076
1⤵
PID:448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5076 -ip 5076
1⤵
PID:2256

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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