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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    07/06/2024, 11:31

General

  • Target

    2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe

  • Size

    77KB

  • MD5

    58f05e8a40cd17087019d9678bfb2d58

  • SHA1

    95b79823935de6cd96e74d9e72be69df8306bc70

  • SHA256

    f965e9f301beae2341256056acd6ed4661a9e780031724c1bd37ff4a5cd41ef5

  • SHA512

    4d5f001e35c4b2c54683984011206860fbc2f53e42476c59e15717bce29fe9894ba3fb02c3be70aa4d17a4b3413ceb8715312a2da85643a9c9bf34b656451e16

  • SSDEEP

    1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1sie2:X6a+SOtEvwDpjBZYvQd2d

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\2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-07_58f05e8a40cd17087019d9678bfb2d58_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:3060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    77KB

    MD5

    265e00feb50cb1142190a8c3ca0cda42

    SHA1

    1bc06b5e94b73099c3043086bfb001d4ad57b6b9

    SHA256

    20b88ca8de7a013951c5649da9f3393e9b65f4f74c05f4664da5ad777669e48e

    SHA512

    63b6faffc80e049e1f3e93bca53a5c0411f7304bd011a3593c0ed340374d20707d2637449c6e3bebab9f3d48936ffff34adc60bb85cdd53fbde00d3c4236f2c5

  • memory/2792-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2792-2-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2792-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/3060-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB