0e07e5c089dbb813f9eda46f7cb2fde7b6478def237cc8d207b0f9b0b1c7e92c

Analysis

max time kernel
92s
max time network
101s
platform
windows11-21h2_x64
resource
win11-20241023-en
resource tags

arch:x64arch:x86image:win11-20241023-enlocale:en-usos:windows11-21h2-x64system
submitted
17-11-2024 13:51

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General

Target

$PLUGINSDIR/ShellLink.dll
Size

15KB
MD5

130e29fa7dc68393d3ef12fa5fe876b9
SHA1

54d3b821df8f42e26698f0cf99bca5d2e6aa080e
SHA256

eae7829a3df5d8d63e16787f7c3d5ae4b82b3b79c2cd7aad9c2532374b6ea522
SHA512

56dbae0e1918ed50c99a863304544d5d31925c62d4ebfd7244d67f909c353ee4160b081b43832cf33f1048f998431ba14270600de512dc6c853a17dd524df317
SSDEEP

384:Ld7JQGYNyQH38E9VF6IYinAM+oZiDzQ06:LgVMEpYinAMxZqzB6

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1152 2320 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
1152	2320	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 2288 wrote to memory of 2320	2288	rundll32.exe	rundll32.exe
PID 2288 wrote to memory of 2320	2288	rundll32.exe	rundll32.exe
PID 2288 wrote to memory of 2320	2288	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ShellLink.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ShellLink.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 468
    3⤵
    - Program crash
    PID:1152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2320 -ip 2320
1⤵
PID:4124

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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