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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    08/04/2024, 10:40

General

  • Target

    2024-04-08_bd2603c9403d5f74d84e14351e0d5248_cryptolocker.exe

  • Size

    61KB

  • MD5

    bd2603c9403d5f74d84e14351e0d5248

  • SHA1

    4d3cd35d9845c7c8d59761738a3471b8aadcc4ad

  • SHA256

    de5dee408d3ba7f37bddc495cd5381286cb7bab855c3aaa4a4367726fa7510e6

  • SHA512

    43f2b97b6e7434c746f909180d86c55d5e8fa8cd91639d7d69a6ba36a9f1ef0f0c6ff0a504c4297c9bb605bef8c2d96a5b074acc1e59b19afe94213cc6de7d58

  • SSDEEP

    1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLZ/A:X6a+SOtEvwDpjBrOY

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\2024-04-08_bd2603c9403d5f74d84e14351e0d5248_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-08_bd2603c9403d5f74d84e14351e0d5248_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    61KB

    MD5

    c9a0702718c3851b35e4355a3d027292

    SHA1

    f3d90e22fa618ed0d6753ce5edda71840a748f24

    SHA256

    096c1d8c6a1e1fe09fce999b34d82ec269689bab900048a298a419165f379a0f

    SHA512

    6743a2e04f36ceea92192081fc121adbe053cd8a4bb0fbf90e577398df7cf396256b5435d4f5c9aea32f50c10d35ba6b03f48a807e43f766f4217b8c4d2b117d

  • memory/2204-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2204-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2204-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2556-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2556-18-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB