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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    15/06/2024, 18:29

General

  • Target

    2024-06-15_1dcaa0044fa6100c66e5d77c8eb74e96_cryptolocker.exe

  • Size

    47KB

  • MD5

    1dcaa0044fa6100c66e5d77c8eb74e96

  • SHA1

    859653f07d15c6342c734a0d4af9e5cf3811203d

  • SHA256

    b1ebcffa6843b81df89eefb069949f37009d1ab8bc7cfc651523eee2791de9ac

  • SHA512

    4c1fb1e5e9f0e02558f17dcfe7f455a334bd0368cf2c59e80bc36d69c829e835388c8077b18095792e160dfffa0a9795321d4e8cc17f851596fc2e33b0e6b742

  • SSDEEP

    384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WccJVJwi2B5oCCM8CLW2Vl:79inqyNR/QtOOtEvwDpjBKccJVODvy3U

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 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\2024-06-15_1dcaa0044fa6100c66e5d77c8eb74e96_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-15_1dcaa0044fa6100c66e5d77c8eb74e96_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    11d61962772c699e50222e9058acbf28

    SHA1

    634974e60ca3886cb0c1c85ba229233b3198e63e

    SHA256

    1bcb1453ddf2e47f58fed710985e5531b94e47624d10630ecc1b57371a7dab07

    SHA512

    ce9e4184e6c721887c0ff24e47dc8f2745f00cef5f9e1f546caa725eff8b12e187c670eb63c69113d2ca615dd9c9ee8844d63c5e5d9492ed6d530c1f07ccabc5

  • memory/2372-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2372-2-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2372-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2372-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2372-13-0x0000000000620000-0x000000000062F000-memory.dmp

    Filesize

    60KB

  • memory/2372-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2488-18-0x00000000004B0000-0x00000000004B6000-memory.dmp

    Filesize

    24KB

  • memory/2488-25-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB