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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2024, 06:44

General

  • Target

    2024-03-06_e98251005d374715369a557580d06b2d_cryptolocker.exe

  • Size

    95KB

  • MD5

    e98251005d374715369a557580d06b2d

  • SHA1

    0cad6bd961aea8300a687ac9bdee60d99985a812

  • SHA256

    210edff17e64d8b7cd1d0a62ecc12a54bf1ff24077736d97748343ac93fc817c

  • SHA512

    d3b5562b2909225cdc512b4a9d0bfe7eda240268f3dc5e5c2c78c8029bf513be7a40434600957e537eaea26f5a7f37559430f64e3616d7c4008c3ba92ac14a82

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJvfh:xj+VGMOtEvwDpjubwQEIiVmk1

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 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\2024-03-06_e98251005d374715369a557580d06b2d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-06_e98251005d374715369a557580d06b2d_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    95KB

    MD5

    b2a38c1081255283c89eedb703c79a7f

    SHA1

    0c3801deb93979862cfd0a96fea8ad22e388a172

    SHA256

    b55ee78e28c433c092204d665f6d8acde937e1dafab2e228db48b79a3a82d3bc

    SHA512

    ec798462c67c36253a5d529ebe6a0dc5cb109fe40ac67cf2ac5bba092ec5797f438baf0814007bc30f7a0c8e5c79f33873e59ca60f35d65c9a04f31ea9f600bb

  • memory/2248-16-0x00000000021E0000-0x00000000021F0000-memory.dmp

    Filesize

    64KB

  • memory/2248-14-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2248-3-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2248-2-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2248-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2248-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2932-19-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2932-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2932-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB