Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03-02-2024 13:05

General

  • Target

    8c657cdaeb25025153e52777590996e2.exe

  • Size

    1.6MB

  • MD5

    8c657cdaeb25025153e52777590996e2

  • SHA1

    3d64bbc4f111d29752a1806ceebcdc26ede68e69

  • SHA256

    a3a33ea371114c9cb4e483829520ac7e5b2686ded399c019c9b20df2dd65b505

  • SHA512

    e9be59baa96e6999aab4f838f22650a1243dcd4052b6680b60c32dc2f51959e92eda9026fd151e62e6bd6444d6e03ac01a53ebde4106ae215a12fd1a2b42c6fe

  • SSDEEP

    49152:/4nBO1JWkYDKsBeVpUpU6MUtygJyasJIwJaxSk2Z:QQ1zYXIVL6MU/Hw0xSk2Z

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c657cdaeb25025153e52777590996e2.exe
    "C:\Users\Admin\AppData\Local\Temp\8c657cdaeb25025153e52777590996e2.exe"
    1⤵
    • Identifies Wine through registry keys
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\MINKE-IVY.EXE
      "C:\Windows\MINKE-IVY.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\MINKE-IVY.EXE
        C:\Windows\MINKE-IVY.EXE
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2812
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 116
          4⤵
          • Program crash
          PID:2308
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Drops file in Windows directory
    • Suspicious use of FindShellTrayWindow
    PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\MINKE-IVY.EXE

    Filesize

    37KB

    MD5

    e8b23e5f8395518302dfa03cabab2256

    SHA1

    b48fc4db5a1c33c2658102cca891907aa7fa9d51

    SHA256

    8dc7f26bedc293d8ddcbe52c4fec3e32e19e139f905e4e534337942e042f64ec

    SHA512

    2ed91032e65c160e207a82dfeb23191908d2e87cd62494173b80526873890a3af5090f164e53f4dbc01f3cec080b1a5e82888ba5e7f2fc608bf8c8005f67a3de

  • C:\Windows\ROSAROJA.JPG

    Filesize

    13KB

    MD5

    d62ee5aa477fb2aa8f0e846980b0b9b2

    SHA1

    b6f898fe7759b82e0f116b6dd0f148231904601b

    SHA256

    6c2d5e2466b5aea0a3426c74a4a763ba1cd773cee02223e7c45003d6c588311d

    SHA512

    f705418b4fd8845b5c45e6e130523e18f5a0afa5990c33d55a9813d9c5c8d8ff75356671942cf5f99c07d0c73390ff386ae52eeeb30c722a04fa46d321e193be

  • memory/1972-2-0x0000000000400000-0x00000000005AB000-memory.dmp

    Filesize

    1.7MB

  • memory/1972-0-0x0000000000400000-0x00000000005AB000-memory.dmp

    Filesize

    1.7MB

  • memory/1972-23-0x0000000000400000-0x00000000005AB000-memory.dmp

    Filesize

    1.7MB

  • memory/1972-21-0x00000000046F0000-0x00000000046F2000-memory.dmp

    Filesize

    8KB

  • memory/2676-17-0x0000000010000000-0x0000000010011000-memory.dmp

    Filesize

    68KB

  • memory/2696-22-0x0000000000160000-0x0000000000162000-memory.dmp

    Filesize

    8KB

  • memory/2696-26-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2696-24-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2812-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2812-20-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/2812-19-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/2812-11-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/2812-15-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB