Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27/05/2024, 18:30

General

  • Target

    2024-05-27_5411364013c3ec712d5d743586e3c42b_cryptolocker.exe

  • Size

    48KB

  • MD5

    5411364013c3ec712d5d743586e3c42b

  • SHA1

    a17ce54ef5a62c0fa70ff5199f991f6adec963f1

  • SHA256

    830b6d46bc5f26c71ca94ba90b9550a2aa6ebf247437399fa0674148f1e68686

  • SHA512

    c0868b831828a00719a5fe814450afe09834086a562206626a1aebd09b82b7e218e53823d7f83f88be934aa6254c8a47dfcec558db559714c5a08a250e3ef8cd

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0n8:vj+jsMQMOtEvwDpj5HczerLO04B/

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 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\2024-05-27_5411364013c3ec712d5d743586e3c42b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-27_5411364013c3ec712d5d743586e3c42b_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2540

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          49KB

          MD5

          eceb7e1b73c49b9e4aa9419381c5e613

          SHA1

          d230b7f8f26f747b0f23a943092891ec28997c3f

          SHA256

          79f157fcea97dab7a08cb625ffb350c55c423181e7d03ba6365a42d99056341e

          SHA512

          b41d0bf0c318ffa7784212a39f800c3e4f874c39aca449350b84eab1b124a6fc43493cd349a229fe09b848372188cff93b7a8e344d5ac705893f62004f123cc5

        • memory/2292-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/2292-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/2292-1-0x0000000000200000-0x0000000000206000-memory.dmp

          Filesize

          24KB

        • memory/2540-15-0x0000000000420000-0x0000000000426000-memory.dmp

          Filesize

          24KB

        • memory/2540-16-0x0000000000450000-0x0000000000456000-memory.dmp

          Filesize

          24KB