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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    26/05/2024, 04:03

General

  • Target

    2024-05-26_fd47664a1a3951b8eab4d2f82c5d12fa_cryptolocker.exe

  • Size

    96KB

  • MD5

    fd47664a1a3951b8eab4d2f82c5d12fa

  • SHA1

    63f84e6a96ec037edb779dddb1544d00d51c18fe

  • SHA256

    8a19963bc478e299ddba603f212a1de8e78a581589dcacd656f44de22a1f65a2

  • SHA512

    d2b60f09343d0ed0d1894796a6c3bed742bf98ac96411e3033b79b1f0837904dbc7905da457835b1f7da85d9a9909a5eb247dd4d37ba55f2badc0a3cb6dd0d13

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJyqdm:xj+VGMOtEvwDpjubwQEIiVmkuqQ

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 IoCs
  • Detects executables built or packed with MPress PE compressor 4 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\2024-05-26_fd47664a1a3951b8eab4d2f82c5d12fa_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-26_fd47664a1a3951b8eab4d2f82c5d12fa_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    97KB

    MD5

    67b2c74cfce72dc7e40ce9318b9456f0

    SHA1

    6048264e244feabe09259e297dbbd710adeb2882

    SHA256

    213533111f0e588da0a3114b97e2f7df8e3332ec223265c05f2d19b559bd9f46

    SHA512

    62b30abd29c287fb4dd4374f2a68550a3664852cff234731a689cae25314f8d539145e2672fe7324a4ad308e615d8a244f043a6ffa2ec84f7154ed3c44e5b22d

  • memory/1740-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1740-3-0x00000000004B0000-0x00000000004B6000-memory.dmp

    Filesize

    24KB

  • memory/1740-2-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1740-1-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2024-15-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2024-24-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2024-17-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2024-25-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB