bbdf4c8d657e3123bd009ab086758bfd707f9b8c7f5fabb22783c4cb81784ca8

Analysis

max time kernel
418s
max time network
448s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250113-es
resource tags

arch:x64arch:x86image:win10ltsc2021-20250113-eslocale:es-esos:windows10-ltsc 2021-x64systemwindows
submitted
22/01/2025, 15:18

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

15KB
MD5

d095b082b7c5ba4665d40d9c5042af6d
SHA1

2220277304af105ca6c56219f56f04e894b28d27
SHA256

b2091205e225fc07daf1101218c64ce62a4690cacac9c3d0644d12e93e4c213c
SHA512

61fb5cf84028437d8a63d0fda53d9fe0f521d8fe04e96853a5b7a22050c4c4fb5528ff0cdbb3ae6bc74a5033563fc417fc7537e4778227c9fd6633ae844c47d9
SSDEEP

192:EyGQtZkTktEQUrJaZfuyCnSmUsv3sY7L7cW8Y6Q86QvoTr11929WtshLAzgSrX8:EyNt+4t7uJalUnGesY7Lt8nCr/Yosa

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3268	2756	WerFault.exe	82

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 656 wrote to memory of 2756	656	rundll32.exe	82
PID 656 wrote to memory of 2756	656	rundll32.exe	82
PID 656 wrote to memory of 2756	656	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656
- 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:2756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 636
    3⤵
    - Program crash
    PID:3268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2756 -ip 2756
1⤵
PID:4676

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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