Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 00:51

General

  • Target

    2024-06-02_cc4a0bde4033b49ca0ddab6c0a7a211b_cryptolocker.exe

  • Size

    54KB

  • MD5

    cc4a0bde4033b49ca0ddab6c0a7a211b

  • SHA1

    d4d9fb4d526b5b58296f25eb0856f336cd758326

  • SHA256

    65e2cb1c8e6fd42cbe8c6da0cbaed42d7cf1a2d5d2d1c23a2abfdd09cfded3df

  • SHA512

    19a16e44d97bbcbcd4d9b34ce18a7d7adb49ffde42b308109e9a7cea569cd59240b72d7e124c7197052a978d468c5d61fa1c0ff732c78e42ca0d5b6ab9e26903

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPhqlcnvhx5/xFRkHI:6j+1NMOtEvwDpjr8hhXio

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • Detects executables built or packed with MPress PE compressor 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\2024-06-02_cc4a0bde4033b49ca0ddab6c0a7a211b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_cc4a0bde4033b49ca0ddab6c0a7a211b_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1540
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2208

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          54KB

          MD5

          7d0819c1d1df11bfe75cfab6a1346f26

          SHA1

          1fa8216b8696725f241555b050eeaf4300d1d6d4

          SHA256

          4ac2c2f9a73b233d4faecd29ef9f5e878849c10c465583c6c2d20c0a788bc347

          SHA512

          bc804c6f0273bd3239f8dadf1d98ea2fa76a188baf49453eb3a2415f61bc27b79444dac20b412f46898f49190d0c54581b7a044f363e34008eac41f33e27ac3d

        • memory/1540-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1540-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/1540-2-0x0000000000300000-0x0000000000306000-memory.dmp

          Filesize

          24KB

        • memory/1540-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/1540-15-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/2208-16-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/2208-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/2208-18-0x00000000002A0000-0x00000000002A6000-memory.dmp

          Filesize

          24KB

        • memory/2208-26-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB