9742689a50e96ddc04d80ceff046b28da2beefd617be18166f8c5e715ec60c59

Analysis

max time kernel
90s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/08/2024, 06:13

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
$PLUGINSDIR/System.dll
Size 28KB
Sample240809-gysj4a1dpg
SHA256 b07a12c5ced6a1ece5e7dc4103f8b3e15bf77f5edb70daef115b9a77bcf55885
MD5 4a82832a6209cdc3a2447ab2de137542
SHA1 21f334bf90566e3a94a712b68f2cbc32746711d4
SHA512 6bceff4d3eba26a84029d09f6e403f3fc0c95a744f4d6bfde22accf480a724a0f38960d848a5255258a6a57d3ec9b384847acf167b485ff67f7161aac04300f0
SSDEEP 384:AGEs6MVKQq0DwRiGUaLYuAXLaMoy4m973uwYkv56YPewyy1Eiu8IuFd/9:AGEQKZ2wRiGUcY8TBsdvkdwyyvIs
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1940	4788	WerFault.exe	84

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 4488 wrote to memory of 4788	4488	rundll32.exe	84
PID 4488 wrote to memory of 4788	4488	rundll32.exe	84
PID 4488 wrote to memory of 4788	4488	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4488
- 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:4788
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 612
    3⤵
    - Program crash
    PID:1940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4788 -ip 4788
1⤵
PID:1016

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4788-0-0x0000000074F20000-0x0000000074F2F000-memory.dmp

Download