2a2845b8bc368a71f0973f30851c25f3ea70172bc5569792ff9222d12aa0d67d

Analysis

max time kernel
149s
max time network
117s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
26/04/2026, 15:57

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 15KB
Sample260426-teaamaes2l
SHA256 2a2845b8bc368a71f0973f30851c25f3ea70172bc5569792ff9222d12aa0d67d
MD5 68bb5139954c236860a25cde611dac33
SHA1 269755dff956cb5fe31dae6fa357a43fcf68928d
SHA512 93b5c263fcfa5ab8fcaff331ba5f22b39a2c3d3e01c820497660f88e150d80b663dcf925e5d867af1addae2b1a5732474c3533897a583b271597675c07e6309d
SSDEEP 384:0CNorf/mefeZBKJjIM9L5qu/b6o554+gmCUW:5oKefeBksMV5j/bTP3
TLSH
T110621A52BAC110F2DED2A67036E77F371FB2B51094D5880B97B33E475922261BE35362
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4600	4980	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 3868 wrote to memory of 4980	3868	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:3868
- 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:4980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 556
    3⤵
    - Program crash
    PID:4600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4980 -ip 4980
1⤵
PID:592

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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