551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
14/10/2026, 11:34

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 13KB
Sample261014-npys3styhs
SHA256 551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc
MD5 d765c492c21689e3d9d61634371fd861
SHA1 ac200933671ae52c9d5544d0e2e8e9144d286c83
SHA512 9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f
SSDEEP 192:9B6RvrfvOuJQDghBy/X7QKq3TLGciZJf0EzWzMnz6WoF1dBs:v6RrviWaX7eiZJ7nz6bB
TLSH
T14D525D61738488F3E786063E745237138BD926257CA15DE2C6330FCA6A2718D7EF6342
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1188	2296	WerFault.exe	85

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 3668 wrote to memory of 2296	3668	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3668
- 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:2296
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 624
    3⤵
    - Program crash
    PID:1188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2296 -ip 2296
1⤵
PID:736

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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