cdf7704604f602522cabff38f75509469d80e53cd8f9a716d1c4faa02bd36851

Analysis

max time kernel
146s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 01:26

Target

x64/Register.dll
Size

1.0MB
MD5

40b9628354ef4e6ef3c87934575545f4
SHA1

8fb5da182dea64c842953bf72fc573a74adaa155
SHA256

372b14fce2eb35b264f6d4aeef7987da56d951d3a09ef866cf55ed72763caa12
SHA512

02b0ea82efbfbe2e7308f86bfbec7a5109f3fe91d42731812d2e46aebedce50aabc565d2da9d3fbcd0f46febbff49c534419d1a91e0c14d5a80f06b74888c641
SSDEEP

24576:k0Rdvjw14ZCWQuTs54Qbz27j7BS2Nv+4BT8+u60:BDZ2zAj7pXT3i

Score

3^/10

discovery

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4936 3672 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
4936	3672	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 2696 wrote to memory of 3672	2696	rundll32.exe	rundll32.exe
PID 2696 wrote to memory of 3672	2696	rundll32.exe	rundll32.exe
PID 2696 wrote to memory of 3672	2696	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\x64\Register.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\x64\Register.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 652
    3⤵
    - Program crash
    PID:4936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3672 -ip 3672
1⤵
PID:4264

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/3672-0-0x0000000000400000-0x000000000050F000-memory.dmp

Filesize
1.1MB

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