59d8ea6485ffe7fa702fd318bcb9df596da1871f9a269844114fcba2cd8a1b70

Analysis

max time kernel
150s
max time network
141s
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/DuiWnd.dll
Size 554KB
Sample260820-m8f7psythw
SHA256 59d8ea6485ffe7fa702fd318bcb9df596da1871f9a269844114fcba2cd8a1b70
MD5 47b438a5db3c5e69dfe97a91b375be95
SHA1 5221791fa7656eb4f1a1300e4531d57603d459a6
SHA512 87af1b7048a06ae6f0215f30d9b621bfb70bdb7b80059ac3947046f4f6e43635682e0d283c9780958313d27fdc9dfe1ba558bb8dc9edff700ebbae590efb0e9d
SSDEEP 6144:Z0HOl+mE0Mbm8MCi1ERdcNIy41CovjKS/EpKiABc3gfhA310/m0yhROfw2Rihlt:mG+306dcNIUol/EpoLy
TLSH
T12DC49D01FAE302F1DA4A9A36181E73B797BCDA5E832DDB83D73CDE174A611846073616
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2192	3508	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 4048 wrote to memory of 3508	4048	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JKTool\DuiWnd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JKTool\DuiWnd.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3508
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 612
    3⤵
    - Program crash
    PID:2192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 3508 -ip 3508
1⤵
PID:4912

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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