0994388947871d05b90ed7488c9f944e49523ae2499428267c0fa90f1eea4135

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 11:07

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General

Target
JKTool/TdxAsioComm.dll
Size 765KB
Sample260820-m8f7psythw
SHA256 0994388947871d05b90ed7488c9f944e49523ae2499428267c0fa90f1eea4135
MD5 cfad74611e58a0a0656835f5af7155f3
SHA1 d8fb31f0212cefd47bbd0e2b236bb88117f08d87
SHA512 99c2d9e64e9744b049dbcc96e2a00359e48c722e65a235a42ef5f0a33318713d11005685e74060ea6d6378a0c24c73bdca6cb014f481175777801622e8a5b88c
SSDEEP 12288:0JY0pTDPYVyfQI9vnMPjq6UoLhmU2WICHJG6r63UiskYd7WfU:0GPI9vnGk65HJGRki1878U
TLSH
T17BF44B11ABA18039F9FF22B68DBE299E503D7D80177444CB92C896DE4A3D9E17E31713
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3532	5252	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 5796 wrote to memory of 5252	5796	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JKTool\TdxAsioComm.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JKTool\TdxAsioComm.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5252
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5252 -s 580
    3⤵
    - Program crash
    PID:3532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 5252 -ip 5252
1⤵
PID:1788

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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