b1707825c0f2fde7bfdbb5f4a4cef4002a935b2c9edfa93f512127f430cfbdd0

Analysis

max time kernel
91s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
24/10/2024, 03:03

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 15KB
Sample241024-dj5z4a1frd
SHA256 b34fb342f21d690aac024b6f48a597e78d15791ef480ac55159cd585d0f64af7
MD5 0a9fb96a7579b685ec36b17fc354e6a3
SHA1 355754104dd47d5fcf8918dee0dc2e2ee53390a6
SHA512 67870206fa7f1e7df45c8c1bc2f51fb430f0a048a2bdb55a4a41525388ca3b50203784537f139169705a03db4bb13b591162a79a5d2df81a4d11fd849615c86b
SSDEEP 384:EFC43tPegZ3eBaRwCPOYY7nNYXCg/Yosa:EMTgZ3eBTCmrnNAo
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3804	4872	WerFault.exe	81

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 1816 wrote to memory of 4872	1816	rundll32.exe	81
PID 1816 wrote to memory of 4872	1816	rundll32.exe	81
PID 1816 wrote to memory of 4872	1816	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1816
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 552
    3⤵
    - Program crash
    PID:3804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4872 -ip 4872
1⤵
PID:3144

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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