Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 18:53

General

  • Target

    1c037e1068d9f718d9686a1c71939b925edba2ed236d218351e76f390e124ee5.exe

  • Size

    208KB

  • MD5

    b881e969b3000bb334e8dafbc7dbe0eb

  • SHA1

    e70fbce90f3b6ef2e6664a253003e4027e91783b

  • SHA256

    1c037e1068d9f718d9686a1c71939b925edba2ed236d218351e76f390e124ee5

  • SHA512

    94102470d7b44ce171d2e9bd4837689a0a8b82da8f5b3038510b0207581ac4b02a3bc32bf7ebdd967512d2132cc97d7ba84592c2e7364ddc5bea146ce927373d

  • SSDEEP

    3072:zpSV2jk89a0CZI+om9jkA4d39Wv0fMDYVHtKHwUfqSady9m+7gi4NLthEjQT6:3/a055OcNDMEFt3UfqSadyl7dQEj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c037e1068d9f718d9686a1c71939b925edba2ed236d218351e76f390e124ee5.exe
    "C:\Users\Admin\AppData\Local\Temp\1c037e1068d9f718d9686a1c71939b925edba2ed236d218351e76f390e124ee5.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\windows\system\MYKO.exe.bat" "
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\windows\system\MYKO.exe
        C:\windows\system\MYKO.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\system\MYKO.exe

    Filesize

    208KB

    MD5

    374bad6700ba3d9df679c7066b6d6881

    SHA1

    497820b7bf4cce29da329dcac87349de2719b610

    SHA256

    1bf7500587a5fc876e172fb68468044e9cf370aa52e417d3814fae8f359b79f3

    SHA512

    4526d6e77e81f2fc8b3805a19f8351ae41509ea08e42c87eb6df9701bdcef5d34950d82a840628da6857014911bc5516b37f25bd0c114c0ee60b3bf75784bd40

  • C:\Windows\system\MYKO.exe.bat

    Filesize

    68B

    MD5

    736423c42dd5bdb899d11d9facab3d13

    SHA1

    94700b59bc767237bac8551240a17d46f2393519

    SHA256

    c706f22c27ee52c9308dc4244e84dd4b28e9d21be75dbc4bd8e4b205ea40598f

    SHA512

    a7f5bca5e5162de1b31b8db297914dbbfd8f70fa0015576e0f8e7f71f9d8e9d89f5642b3c5a00a750c09be503c16b6ced0beb25a69cf20c469ac1dcbe8c93f03

  • memory/2280-0-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2280-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2880-18-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2880-19-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB