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
    04/06/2024, 11:44

General

  • Target

    2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe

  • Size

    37KB

  • MD5

    7ee115d1d3915533137e3688e5dcc994

  • SHA1

    a00baf1064e9a43bf93dbeeaf63aede5fa02eb2c

  • SHA256

    2b65627e3246deb37adcf6dd3eaf2199d5e8c42e6a52ab46e23410652eb5e001

  • SHA512

    d1f726c7f6f90c1da0306353af0e12dc2cf1f097b65d37f2c88c24e913fbefe8ca16d20cfe996280e3283b929b75296ceaff82f4f80ac07b9f9d830d3cfa76f1

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4PE:fT+hsMQMOtEvwDpjoIHM

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\2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    37KB

    MD5

    70bbb48fe0737590e24e6d0e3837e674

    SHA1

    b2fac34b76090d2a07e5bb9c9c5c69f1bc86b9ce

    SHA256

    5dd9504af27efb136ed85b45c57b3d2ea4fbbd789349b620627f5914823e18f1

    SHA512

    5eece152d1b2890c3a74b3cd0ab1bd34ca064796b6914ef75ad290eb2d735769f3652834f125e066c67584cd1835301f4834491d74cb637cf7a1adbe035fd81c

  • memory/2880-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2880-1-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2880-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2964-15-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB