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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2024, 17:42

General

  • Target

    2024-02-25_5c5b67c45ad05ba269c51984d343c5e6_cryptolocker.exe

  • Size

    126KB

  • MD5

    5c5b67c45ad05ba269c51984d343c5e6

  • SHA1

    8e3c557118dfc7a5db9f98493709a201bba39f9c

  • SHA256

    5a46a60eed59e89f7239e6c2c0429b4076d0d2509f34676798385a85ebbe0199

  • SHA512

    a82e9af24a3e5eaacd4d81ae1d4e88430dd09486d6d649e30154da3d5e601ae01a1c9580515006eee4bb9151aab6e5292e80f18d3a751bd4d5cee99eef5b53f3

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//jC:vCjsIOtEvwDpj5H9YvQd2Rs

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\2024-02-25_5c5b67c45ad05ba269c51984d343c5e6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-25_5c5b67c45ad05ba269c51984d343c5e6_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    126KB

    MD5

    87668972303c5b8d1494ec2b63696b0b

    SHA1

    e28b384958bbf04b8489165a5dc8127c8fce1275

    SHA256

    05dae9005e7373b6fab7077d7ec505bbbcf9c55ff7641b046e91f7c9be48d197

    SHA512

    2d9066c3f3d086bfa6090e06942d39e8372a0d451c5992bb2ce255ad1825b753c0c5d11eae6c26035b79bca2765083ec9849bb4c775cc925e485fc4ffaab06b6

  • memory/1700-15-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/1700-22-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2088-0-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2088-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2088-7-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB