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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    12/03/2024, 05:38

General

  • Target

    2024-03-12_6d91c3adac9f3ce0f146406001e09fa3_cryptolocker.exe

  • Size

    60KB

  • MD5

    6d91c3adac9f3ce0f146406001e09fa3

  • SHA1

    dc73a1807cd4c66e475ae152475f062e51e2d689

  • SHA256

    8a2d156fd20fdc14abcb7237cf80c270bbd78b2655baab1a5eca37d7ca874c0b

  • SHA512

    5a574ebef6b5162b49ad8b3950a2f6d8e861334c671e489e2fa3a89d08f9b9b6cf2f2bb124c4520edd6086cec1a33492784cb9084d1e023cf091d61ab81b1a1b

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJT/Er:ZVxkGOtEvwDpjcO4

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 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\2024-03-12_6d91c3adac9f3ce0f146406001e09fa3_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-12_6d91c3adac9f3ce0f146406001e09fa3_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    60KB

    MD5

    083710667593f7d4b94c530b54fb4284

    SHA1

    c12ee3aaf78c7e367229ff757a00d65184fff9bf

    SHA256

    3a8cbd61fc7ccb67d77cc0758dd04bea1f755fbcfcc459910112f8d76652f554

    SHA512

    e6f4faef5b8284eac90a1731090bdda95ac778d486530be829d4c1a022fafeef5175fcc35e37fa98e6cd710a2a59973355c12cd772265dd159cb05a3ca65fe31

  • memory/2768-0-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/2768-1-0x0000000000230000-0x0000000000233000-memory.dmp

    Filesize

    12KB

  • memory/2768-2-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2768-9-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/2936-16-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB

  • memory/2936-17-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2936-24-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB