Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 15:41

General

  • Target

    2024-05-21_6e1f1f0f0d3a268698a67f5ae8d4e481_cryptolocker.exe

  • Size

    53KB

  • MD5

    6e1f1f0f0d3a268698a67f5ae8d4e481

  • SHA1

    6b389e82acdf2178ec339b04ab606eb439151f09

  • SHA256

    b54354d42786f0bfa9a88610bdf5ce3fd97ae643a30e1e9bfbf51d2fc2c5a50a

  • SHA512

    d94d028d827abf871fa7aa8949b9d2484a44eccb1891cd1511d6ac945d27ebdef13c0faaed807db58fabe216dfd8f19f796b134340733ab24ad98c756289e199

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPhqlcnvhx5/xFRp5jlS4:6j+1NMOtEvwDpjr8hhXj5h

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 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\2024-05-21_6e1f1f0f0d3a268698a67f5ae8d4e481_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-21_6e1f1f0f0d3a268698a67f5ae8d4e481_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    53KB

    MD5

    a1fae7652c48e180efacaaa48dddc856

    SHA1

    10e8068a4bb84668eed1721db252034f36f86f63

    SHA256

    7815e77d5bbd37210eca26ea0f8e62f568037f032a59286ce12859afb5b3a212

    SHA512

    e2cb25f3667cf00a4bb8c085090cee6bb4eb069c3d63cc5f8a22ed904720dec8e3359cc47e4cfffa0ecd6d1af777139d8cca6ae3dc6736463e490b303a3170f9

  • memory/1732-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1732-1-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/1732-2-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/1732-3-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/1732-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2316-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2316-25-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2316-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2316-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB