5448def9acfd1ac67bc0e3e8525cc8c3ee1960c3b8466a2e0e1f91bb3d1656ea

Analysis

max time kernel
149s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
20/08/2026, 11:07

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General

Target
JKTool/tcapi.dll
Size 3.2MB
Sample260820-m8f7psythw
SHA256 5448def9acfd1ac67bc0e3e8525cc8c3ee1960c3b8466a2e0e1f91bb3d1656ea
MD5 c05bca7d611868f56f775e17ecabc3bb
SHA1 9216e998b1e2f527143e4cfaf00f537f03a29547
SHA512 12e5648fc578be6794db4df62e76e802d0db551d51f09f70812b4c7cd1ecb42d6b31a8c7e6a67d3fc6923072b81d721405887615d035ea3a4e286fb6b3fb7ff5
SSDEEP 49152:y95x6m6UhmXOiZZP+A49YarMS0+lQsmWTG68pdHi4JMsFq6KEk:25JwVZZP0a+lQszmHi6o
TLSH
T176F59D82EEC251F1D95E553120EB633B8F3A864A1225C6D3C765EDB29C33251F53E38A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3976	2244	WerFault.exe	85

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 4876 wrote to memory of 2244	4876	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JKTool\tcapi.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JKTool\tcapi.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2244
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 660
    3⤵
    - Program crash
    PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2244 -ip 2244
1⤵
PID:4080

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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