8f24c6cf0b06d18f3c07e7bfca4e92afce71834663746cfaa9ddf52a25d5c586

Analysis

max time kernel
149s
max time network
96s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
29/04/2026, 00:19

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 14KB
Sample260429-ammq5sfv21
SHA256 8f24c6cf0b06d18f3c07e7bfca4e92afce71834663746cfaa9ddf52a25d5c586
MD5 d753362649aecd60ff434adf171a4e7f
SHA1 3b752ad064e06e21822c8958ae22e9a6bb8cf3d0
SHA512 41bf41add275867553fa3bd8835cd7e2a2a362a2d5670ccbfad23700448bad9fe0f577fb6ee9d4eb81dfc10d463b325b8a873fe5912eb580936d4ad96587aa6d
SSDEEP 192:3Gs+dH4+oQOTgDbzuNfrigyULWsXXZF/01JJijnK72dwF7dBEnbok:3GvdH4qMebzPY2Vijn+BEnbo
TLSH
T1F0623B51638888F3DBD6013EB4523707AB595126B4925DE2CB271FCA6D3B18E3EB2346
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4688	1300	WerFault.exe	79

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 4348 wrote to memory of 1300	4348	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4348
- 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:1300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1300 -s 548
    3⤵
    - Program crash
    PID:4688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1300 -ip 1300
1⤵
PID:4768

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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