21042be362d4073053bffcc90511b3ecf77902243525b56bb159581b5ece43a0

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
17/09/2026, 23:20

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 14KB
Sample260917-3bkrmaec24
SHA256 21042be362d4073053bffcc90511b3ecf77902243525b56bb159581b5ece43a0
MD5 107737e3282fefd85684f2fa3df6d1c3
SHA1 3befbcae116a644ae28cebdc1d7dfe6be5c8ca5f
SHA512 439ac2f3066902e08d63dc3061f55063089857e765feb29fe47ba5819a9bebdff3fe2fe55fc8bfcfddb729d340f006ee95b5aa4422d712f9dcc07cc02ec410b4
SSDEEP 192:FTmFxiXTQdQbg9FkGuz9lBDpO5DwbgUojcA96lK72dwF7dBG0N1:FTmriEdYQFkGUlI6vojj6l+BGE
TLSH
T15B623B51338898F3D7E6013EB443370BAF696526B8825DC1C9271FC6793718E6E72342
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2156	5928	WerFault.exe	86

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 1 IoCs

description	pid	Process	procid_target
PID 3912 wrote to memory of 5928	3912	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3912
- 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:5928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5928 -s 636
    3⤵
    - Program crash
    PID:2156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5928 -ip 5928
1⤵
PID:2588

Network

MITRE ATT&CK Enterprise v16

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 v16

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