bf38dda13b938b49a4df72b6477342373ee6e151be12c25cb0c17662fcb4bcd4

Analysis

max time kernel
148s
max time network
136s
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

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
JKTool/mfc100.dll
Size 4.1MB
Sample260820-m8f7psythw
SHA256 bf38dda13b938b49a4df72b6477342373ee6e151be12c25cb0c17662fcb4bcd4
MD5 07bccdcc337d393d7db0b2f8fe200b3f
SHA1 5a02b227cb0a22a8e7884cd138c3e8568d083d94
SHA512 e5637727a549cf7b88f13474097a71200f0dfa511ecd55c5a42e5f53e9f86ce8b7ce763448830fd073e232876f7537bad96f2ced8d3159558778460264d07639
SSDEEP 98304:BZP0PvxMJfTcXPSo0akd+BPSLC4IEy+XNy136jCfsqLhDIJJGN8mFLOAkGkzdnEe:BZP2iIE80qLrHFLOyomFHKnPAG
TLSH
T147168D217ED941B6D8C621F00A9D767DA26EECD8273116C3A1503BFBE9703C15E385AB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

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 4240 wrote to memory of 4300	4240	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JKTool\mfc100.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JKTool\mfc100.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4300

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

Replay Monitor

Loading Replay Monitor...

Downloads