kutaki | 1de49d29d2f5c485ef935ce6f50176272745d32d258f5996f029f4e78a614af7

Analysis

Target
New Order.scr
Size 632KB
Sample200805-arnebas9fa
SHA256 1de49d29d2f5c485ef935ce6f50176272745d32d258f5996f029f4e78a614af7
MD5 5cd9d49f5cad5e0910e90ce8183b4366
SHA1 c457eb69ef65e0c02c330f5f2fb0e6e47b8d6a7b
SHA512 87a5aff468b8243e4d542dc6fd639bcf4c3e5b54b9d17c27b4605c9fdafb045a078653d049c96ef3bbfcfdf7feef7f58033da85be98d76c621c3fe5ab13cf65d
MD5 SHA1 SHA512

Score

10^/10

Kutaki
Information stealer and keylogger that hides inside legitimate Visual Basic applications.
stealer keylogger kutaki

Kutaki Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x000500000001ad55-4.dat	family_kutaki
behavioral2/files/0x000500000001ad55-5.dat	family_kutaki

Executes dropped EXE 1 IoCs

pid	Process
1116	ygmyrwch.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ygmyrwch.exe	New Order.scr
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ygmyrwch.exe	New Order.scr

Suspicious use of SetWindowsHookEx 6 IoCs

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 656	1568	New Order.scr	67
PID 1568 wrote to memory of 656	1568	New Order.scr	67
PID 1568 wrote to memory of 656	1568	New Order.scr	67
PID 1568 wrote to memory of 1116	1568	New Order.scr	69
PID 1568 wrote to memory of 1116	1568	New Order.scr	69
PID 1568 wrote to memory of 1116	1568	New Order.scr	69

C:\Users\Admin\AppData\Local\Temp\New Order.scr
"C:\Users\Admin\AppData\Local\Temp\New Order.scr" /S
1⤵
- Drops startup file
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
  2⤵
  PID:656
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ygmyrwch.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ygmyrwch.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1116