120e4fac0538b7e7b75934706668063a4e7785d0405dca43fde36d55f6d968de

Analysis

max time kernel
148s
max time network
129s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/09/2026, 03:58

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 12KB
Sample260910-ejnw9ayyaw
SHA256 120e4fac0538b7e7b75934706668063a4e7785d0405dca43fde36d55f6d968de
MD5 99bc22826a0568dce241be3a4ffd0c0d
SHA1 62e4662250abdf10d23a61076fd7cbd00a5c5b6f
SHA512 35b016b6e2dc850e5432becd57f35faf73b180c0a6f822a406cf9d5439a87126c41c49aac025cdeecd38bbd01705ddbd8c217cb33134e978ecc9624053b52be9
SSDEEP 384:sKlm7i+c3QW6ckPhyDEaLnr2bbBBIXwZ:5qi8BcyhEhLCbbTI
TLSH
T1F3421952538998F3E788013970933707AB4692266951AED1CA334FDB7A7B08D7FB5383
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5240	1048	WerFault.exe	89

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 5832 wrote to memory of 1048	5832	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5832
- 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:1048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 584
    3⤵
    - Program crash
    PID:5240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 1048 -ip 1048
1⤵
PID:3620

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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