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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04/05/2024, 04:47

General

  • Target

    2024-05-04_86c235b66d9b2482e13a0a2da7d046f2_cryptolocker.exe

  • Size

    54KB

  • MD5

    86c235b66d9b2482e13a0a2da7d046f2

  • SHA1

    00e6d08840cdb2b776e5d4cb0f16a7ab136ccfdb

  • SHA256

    966fea44fe1e8994c36f5c1415a2619f5524f21b687397c4b920f380eeedb54d

  • SHA512

    11dc76e04dc7550343add9199de011ce076fb066664147ed1f1d7f3299a9f2a198d8457f9653faa2621c07109c0ad117c6278d69c259d8a9dd2f313068419151

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdO5Uoj:ZVxkGOtEvwDpjcZ

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 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\2024-05-04_86c235b66d9b2482e13a0a2da7d046f2_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-04_86c235b66d9b2482e13a0a2da7d046f2_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    54KB

    MD5

    d69831c8080fb461e9fde50878a7df32

    SHA1

    c983d943d93c423216047d88c29ba36b1873f2c5

    SHA256

    3824c2c58436a3b2e63be1c5bc6e580c52d96a660334ad9e088676fcdda78a9c

    SHA512

    69de5a4b83fa3b83f435673bb34a86f2eb7eda99aacf31ddd486a3acb875235794b903694a63dc5b2009a3a784ac7bf77fb0edb8e801e4e429e26df8ffb61ed0

  • memory/1688-24-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/1688-23-0x0000000000230000-0x00000000002B0000-memory.dmp

    Filesize

    512KB

  • memory/1688-16-0x0000000000530000-0x0000000000536000-memory.dmp

    Filesize

    24KB

  • memory/2040-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2040-1-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/2040-8-0x0000000000230000-0x00000000002B0000-memory.dmp

    Filesize

    512KB

  • memory/2040-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB