81caa6cf6ce08e857c4589fe54c2642c2b0b5a981660af16bd34c862ee179f51

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 01:41

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

12KB
MD5

07f3b3445f66e1089567796bf3c8be78
SHA1

851eb574c1067b23a654f8aa47b17ef599b24d1c
SHA256

a505e6c537a5ce0166227dda9f7671605395592ac9f1a3764e8a01b713939db1
SHA512

8c56308fff3a947b26fd0d98dbdd96c406ddf967f5d7abee8cba082b6c46a4e575094bb0bb981551ac5160bb5089cf6fb125dd17a659c427e28c07402adab1c3
SSDEEP

192:pzi5iBjGHp29db9Dd+w6VPESclh3I8dYvwqu7hwbbHF1QuCb:pO5kjGHSDdgjo6pvwqu72bbMum

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
524	5052	WerFault.exe	83

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 216 wrote to memory of 5052	216	rundll32.exe	83
PID 216 wrote to memory of 5052	216	rundll32.exe	83
PID 216 wrote to memory of 5052	216	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:216
- 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:5052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 624
    3⤵
    - Program crash
    PID:524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5052 -ip 5052
1⤵
PID:3088

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

Windows 7 deprecation

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