caf64a4e9449220ba618a9aa2ae4ed3774c5d0f193bda44be22676c27ae0ec95

Analysis

max time kernel
898s
max time network
434s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
09/10/2026, 16:01

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 15KB
Sample261009-tgn7kaca45
SHA256 caf64a4e9449220ba618a9aa2ae4ed3774c5d0f193bda44be22676c27ae0ec95
MD5 09d8971beefefffd710030dd167a99e0
SHA1 a0117786ad77213f3eb48cfdc3819786cb796b7d
SHA512 3956f0c6bcdf033e4a10ab33872a66e0668da28ec31cb7a2c67ef7266d7c0845998a2a85a6cc25aba1df73909df8104119cf5f1f86c1e91f8fd201765aea49f0
SSDEEP 384:EhC43tPegZ3eBaRwCPOYY7nNYXC8/Yosa:EoTgZ3eBTCmrnNAI
TLSH
T19C624C1137D558B3E2D62A797EE2B7138FA5F722A4438E0BC7332E06281A5956E7C311
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4280	2428	WerFault.exe	88

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 1904 wrote to memory of 2428	1904	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1904
- 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:2428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 636
    3⤵
    - Program crash
    PID:4280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2428 -ip 2428
1⤵
PID:3424

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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