b4885c0099e86338c1cb52c1f793a629725c087e0b97f63569ba30d02cb429ca

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 15:24

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General

Target

$PLUGINSDIR/System.dll
Size

23KB
MD5

938c37b523d7fc08166e7a5810dd0f8e
SHA1

47b9663e5873669211655e0010e322f71b5a94be
SHA256

a91aa7c0ead677fc01b1c864e43e0cace110afb072b76ad47f4b3d1563f4dc20
SHA512

77afe83fb4e80a775dae0a54a2f0ff9710c135f9f1cf77396bc08a7fe46b016a8c079b4fa612e764eea5d258703f860688e38b443e33b1f980e04831739517c1
SSDEEP

384:58QIl975eXqlWBrz7YLOlACZSf+VIYiWLbLWQaZdPxh8E9VF0Ny0W3N9:5gPgrfYLOWJ/YiW8PxWE6Y9

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2400	1708	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1708	1948	rundll32.exe	30
PID 1948 wrote to memory of 1708	1948	rundll32.exe	30
PID 1948 wrote to memory of 1708	1948	rundll32.exe	30
PID 1948 wrote to memory of 1708	1948	rundll32.exe	30
PID 1948 wrote to memory of 1708	1948	rundll32.exe	30
PID 1948 wrote to memory of 1708	1948	rundll32.exe	30
PID 1948 wrote to memory of 1708	1948	rundll32.exe	30
PID 1708 wrote to memory of 2400	1708	rundll32.exe	31
PID 1708 wrote to memory of 2400	1708	rundll32.exe	31
PID 1708 wrote to memory of 2400	1708	rundll32.exe	31
PID 1708 wrote to memory of 2400	1708	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 224
    3⤵
    - Program crash
    PID:2400

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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