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
    03-02-2024 03:56

General

  • Target

    2024-02-03_e0a170b697581c5839ae75cb2554878d_cryptolocker.exe

  • Size

    45KB

  • MD5

    e0a170b697581c5839ae75cb2554878d

  • SHA1

    4549a8af310797f8e94b6c632f090d7f367e155d

  • SHA256

    d47b1196c0432085b93ab5a08719539d16be7546216ce5a1dd4cba325c1811aa

  • SHA512

    69e29d88a5c37820cd19ea7c0212b1ff4d4b6987a86ee46e07874d4ed9ee82471bee6ea12f6d7d79800f90c4756897f64daa893890e0fbad068b041e3245ab42

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr46xdUUU:vj+jsMQMOtEvwDpj5Hczer5iH

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\2024-02-03_e0a170b697581c5839ae75cb2554878d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-03_e0a170b697581c5839ae75cb2554878d_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    6c3e2e6a6270b92fe2fe243c6717801c

    SHA1

    0b427d77d7f2acfd72e23fced294ad62467df7d8

    SHA256

    70ab16290ab39682c91f6dfbf53d0e5e85b461a478279408e4a257b0a831de44

    SHA512

    8cf921419d7a32258ac8c83499b053c0b0b5d20aa8441dcd941a4f9901d738b450223d7ba129368c02b0aa6d70d148ff77fd8e24af1e83e4f3480165b184e8e2

  • memory/2352-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2352-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/2352-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2988-15-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB