f9a6f49778db1887e4cc96729fa3758693d281bed70174adf55fb322e3fedc00

Analysis

max time kernel
148s
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, 03:46

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 17KB
Sample260910-ebzzjsyves
SHA256 f9a6f49778db1887e4cc96729fa3758693d281bed70174adf55fb322e3fedc00
MD5 d43d84790c559b71f8e64fd0ef7e0692
SHA1 296e09f4887fdda25cc854119df736f739b330c8
SHA512 bceda184719fc91ab047698df0c2999c58d062b25e390cce92d408a53dd29c123467cde901d5152773a646095717aeb0c181ee0f857f8ff803271ac9b5e75dfc
SSDEEP 192:Zi0AiuaA7BBBVll9g2tbpfELj4+bjEk3RAq9naEyOz3xxhxaHxJ6fxSUsvkk:MaAXtftlff2EuRR3BEn6JSVv
TLSH
T19A72F6CEA7616C73D96703343016662276B09872B07995C26BC67F8CB8E0676F24C39F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3036	4884	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 3324 wrote to memory of 4884	3324	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:3324
- 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:4884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4884 -s 600
    3⤵
    - Program crash
    PID:3036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4884 -ip 4884
1⤵
PID:4264

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

Replay Monitor

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Downloads

memory/4884-0-0x000000006AF00000-0x000000006AF0D000-memory.dmp

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