c34f095e200db420ce9af5489c3e392be285e43c3f4c9fbe34686b1f0a1531ad

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
09/07/2026, 16:06

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 25KB
Sample260709-tkk93sdz21
SHA256 c34f095e200db420ce9af5489c3e392be285e43c3f4c9fbe34686b1f0a1531ad
MD5 fd249bc508706f04a18e0bc0afddec82
SHA1 b94efda9f41c89fc6120ed385867125d03f28bea
SHA512 c820c06ad5ae21101602d9e7864fed9b470b25fa9a0ee025d05e72697d88c7e03cbee7ad476f4e3d5b6e467248b8ad1fefa2710c76011e2156b85068961404ba
SSDEEP 384:EAC43tPegZ3eBaRwCPOYY7nNYXCA/YosaNvDGFtart8E9VFK4ivDGb:EdTgZ3eBTCmrnNAEYDGFo+EAy
TLSH
T19BC28DA2A7C06CB3E9A35E3575E0AA179FB1F7126881CD93C33789005A417827EBC395
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
612	4492	WerFault.exe	86

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 4448 wrote to memory of 4492	4448	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4448
- 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:4492
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 636
    3⤵
    - Program crash
    PID:612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4492 -ip 4492
1⤵
PID:2424

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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