Analysis

  • max time kernel
    149s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2022 04:34

General

  • Target

    NEFT_Payment.exe

  • Size

    1.3MB

  • MD5

    28ef0988445cc4cdb59d31feca704df2

  • SHA1

    0c89cb0b531a1bd68cc0c080d16f1a891e3a5a8f

  • SHA256

    720f485bb099d1c9b4135b3253ebcd070f0bdedb2185a75748ff3f9d108f5cd1

  • SHA512

    fc7f416529cbc4dfc6124a57a5f209974f822b341e10f3a55142dbfe689980265e24c4a79438d17934756274c204823db66a90d738fcf30308216606526a93ec

Malware Config

Extracted

Family

kutaki

C2

http://ojorobia.club/laptop/laptop.php

http://terebinnahicc.club/sec/kool.txt

Signatures

  • Kutaki

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

  • Kutaki Executable 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of SetWindowsHookEx 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe
    "C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:552
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
      2⤵
        PID:1540
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\moeydbch.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\moeydbch.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1448

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\moeydbch.exe

      Filesize

      1.3MB

      MD5

      28ef0988445cc4cdb59d31feca704df2

      SHA1

      0c89cb0b531a1bd68cc0c080d16f1a891e3a5a8f

      SHA256

      720f485bb099d1c9b4135b3253ebcd070f0bdedb2185a75748ff3f9d108f5cd1

      SHA512

      fc7f416529cbc4dfc6124a57a5f209974f822b341e10f3a55142dbfe689980265e24c4a79438d17934756274c204823db66a90d738fcf30308216606526a93ec

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\moeydbch.exe

      Filesize

      1.3MB

      MD5

      28ef0988445cc4cdb59d31feca704df2

      SHA1

      0c89cb0b531a1bd68cc0c080d16f1a891e3a5a8f

      SHA256

      720f485bb099d1c9b4135b3253ebcd070f0bdedb2185a75748ff3f9d108f5cd1

      SHA512

      fc7f416529cbc4dfc6124a57a5f209974f822b341e10f3a55142dbfe689980265e24c4a79438d17934756274c204823db66a90d738fcf30308216606526a93ec

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\moeydbch.exe

      Filesize

      1.3MB

      MD5

      28ef0988445cc4cdb59d31feca704df2

      SHA1

      0c89cb0b531a1bd68cc0c080d16f1a891e3a5a8f

      SHA256

      720f485bb099d1c9b4135b3253ebcd070f0bdedb2185a75748ff3f9d108f5cd1

      SHA512

      fc7f416529cbc4dfc6124a57a5f209974f822b341e10f3a55142dbfe689980265e24c4a79438d17934756274c204823db66a90d738fcf30308216606526a93ec

    • memory/552-56-0x0000000075CB1000-0x0000000075CB3000-memory.dmp

      Filesize

      8KB

    • memory/1448-60-0x0000000000000000-mapping.dmp

    • memory/1540-57-0x0000000000000000-mapping.dmp