Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    09/06/2024, 07:35

General

  • Target

    2024-06-09_e8e0c14356532aefcbafa8591dd7a7c9_cryptolocker.exe

  • Size

    86KB

  • MD5

    e8e0c14356532aefcbafa8591dd7a7c9

  • SHA1

    5f1449bd054e2ad909530ab81b6163d123c9a895

  • SHA256

    91724b76ac46c6b5f52d19544664db811060f7e53395eb759af37e8005afdbc4

  • SHA512

    f85998b156ffbaf3d69062f8d7cce3152282f900aa267fbc6acfceef5878f5f20ca08382b0d2c89c5317997f6dc62e4923eba7959066433657300e42648b441f

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrC+MW:TCjsIOtEvwDpj5HE/OUHnSMN

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-09_e8e0c14356532aefcbafa8591dd7a7c9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-09_e8e0c14356532aefcbafa8591dd7a7c9_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    86KB

    MD5

    59c6ee787846715bb2ed4cdaf0c101d5

    SHA1

    6728c08f146d22c21f6628f7a78b848b7426ecf6

    SHA256

    ff8b5e5724e933a131d0785aeea6dbd78255bdf3025ab79664db54c8987351b2

    SHA512

    1f6c41adf5dda5853d3276b4c9e7ead95c8d75c4ed36766a71806960c4142413c517872c775d344e44b7d5108a2e69439b426cd31beacf67e64a2a367e0d5937

  • memory/1984-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/1984-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1984-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1984-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1984-15-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2496-16-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2496-18-0x00000000003F0000-0x00000000003F6000-memory.dmp

    Filesize

    24KB

  • memory/2496-25-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB

  • memory/2496-26-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB