Analysis
- user interaction
yes - max time kernel
598s - max time network
475s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
25/09/2026, 11:12
Static task
static1
Behavioral task
behavioral1
Sample
DFFDFD/kuroko-rat-cpp/build.bat
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
DFFDFD/kuroko-rat-cpp/build.bat
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
DFFDFD/kuroko-rat-cpp/client/build_client.bat
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
DFFDFD/kuroko-rat-cpp/client/build_client.bat
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
DFFDFD/kuroko-rat-cpp/kuroko_c2.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
DFFDFD/kuroko-rat-cpp/kuroko_c2.exe
Resource
win11ltsc2024-20260911-en
General
- Target DFFDFD/kuroko-rat-cpp/build.bat
- Size 1KB
- Sample260925-na2anavaph
- SHA256 1dee2779e814abe749d4e7906dbd20785cc24a795af94b8f12b0ae038c1af798
- MD5 d50b7033b0e3283f564d7ddcb40cec9b
- SHA1 6d38d8b8aa971a59e4c04821e2fac765f944d9a9
- SHA512 5d1eb7721d62993740823a1d0621758912c9b015f74a940a92b627246fd6bbfd717bd46bbf818f5d093f19b053366e0b8779d399a2f163fdc00249a4a1b4623b
- TLSH T1CD31F03594050521329BDD9DAB20B490E729761B74D80C58B1FF71991FEC1C62CFE8F0
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 5340 cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5340 wrote to memory of 4972 5340 cmd.exe 85 PID 5340 wrote to memory of 4832 5340 cmd.exe 86
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\DFFDFD\kuroko-rat-cpp\build.bat"1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5340 -
C:\Windows\system32\where.exewhere cl2⤵PID:4972
-
-
C:\Windows\system32\where.exewhere g++2⤵PID:4832
-
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:964