Overview

overview

10

Static

static

10

image.exe

windows7_x64

10

image.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    83s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:12

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General

  • Target

    image.exe

  • Size

    536KB

  • MD5

    9bcc23452d5a20790ff08c81812d7fd2

  • SHA1

    9ad029bf6cebf0308db6771d423018289684faf5

  • SHA256

    e33166cf9f69cdc54b3ca9721a6837d961ee42285c766561a9ff8a1719f39405

  • SHA512

    89b39cc4b9bfef88cc99df3de3501a61f8e40a0becad0c5b2d83054db2414a723e25f85c638b22f98a3adcc3870952aa76d4dc1c66a61d13a2510dd147757606

Score
10/10
kutakikeyloggerstealer

Malware Config

Signatures

  • Kutaki

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

    stealerkeyloggerkutaki
  • 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\image.exe
    "C:\Users\Admin\AppData\Local\Temp\image.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
      2⤵
        PID:1732
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mmnsstch.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mmnsstch.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1812

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      536KB

      MD5

      9bcc23452d5a20790ff08c81812d7fd2

      SHA1

      9ad029bf6cebf0308db6771d423018289684faf5

      SHA256

      e33166cf9f69cdc54b3ca9721a6837d961ee42285c766561a9ff8a1719f39405

      SHA512

      89b39cc4b9bfef88cc99df3de3501a61f8e40a0becad0c5b2d83054db2414a723e25f85c638b22f98a3adcc3870952aa76d4dc1c66a61d13a2510dd147757606

      Download Submit
    • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mmnsstch.exe
      Filesize

      536KB

      MD5

      9bcc23452d5a20790ff08c81812d7fd2

      SHA1

      9ad029bf6cebf0308db6771d423018289684faf5

      SHA256

      e33166cf9f69cdc54b3ca9721a6837d961ee42285c766561a9ff8a1719f39405

      SHA512

      89b39cc4b9bfef88cc99df3de3501a61f8e40a0becad0c5b2d83054db2414a723e25f85c638b22f98a3adcc3870952aa76d4dc1c66a61d13a2510dd147757606

      Download Submit
    • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mmnsstch.exe
      Filesize

      536KB

      MD5

      9bcc23452d5a20790ff08c81812d7fd2

      SHA1

      9ad029bf6cebf0308db6771d423018289684faf5

      SHA256

      e33166cf9f69cdc54b3ca9721a6837d961ee42285c766561a9ff8a1719f39405

      SHA512

      89b39cc4b9bfef88cc99df3de3501a61f8e40a0becad0c5b2d83054db2414a723e25f85c638b22f98a3adcc3870952aa76d4dc1c66a61d13a2510dd147757606

      Download Submit
    • memory/1732-57-0x0000000000000000-mapping.dmp
      Download
    • memory/1812-60-0x0000000000000000-mapping.dmp
      Download
    • memory/1960-56-0x0000000075721000-0x0000000075723000-memory.dmp
      Filesize

      8KB

      Download