Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-06-2024 01:17

General

  • Target

    2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe

  • Size

    16.0MB

  • MD5

    57a958b6559331a9b8cf6a2d1588203f

  • SHA1

    bd6179239bf49f604981f645f54dd969122e6a9a

  • SHA256

    bbb9cb6e8e5b9d7e91b4a2c00aafe8d4af371f4857186882c90a2e0fe3606faa

  • SHA512

    27c7f0913be1e8f229296a0b13aa56785a6fd99f61e9f1cad6676cb2d5dbab34d975aed7432c7ead44d100d64cd1c2bed7b086f8393f8adfe34b1d10de855226

  • SSDEEP

    393216:0lC7hQe5t+SCiCEDElh2p3ZkNRiEFf4ilPRbQEk3:0ov5tlCiCEDKQp3ZkNRi4z

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Users\Admin\AppData\Local\Temp\2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-06-07_57a958b6559331a9b8cf6a2d1588203f_ryuk.exe"
      2⤵
      • Loads dropped DLL
      PID:2624

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI22282\python39.dll

    Filesize

    2.8MB

    MD5

    657df54924a5d77ba515e49b518910f0

    SHA1

    e2376b87d67ee6d6b028572bb16c5210594c7257

    SHA256

    09196a7e36fc52574ce45ba94da02ea7d5ee363557cc8ff24ef197b4c303564d

    SHA512

    1747192757eb68c40cd01451b2af410d803bbacc1f22914a884963931e674eb759b3aaab55e5e7b875e9d4b68e46ba2c7de98fa47b6d4837516edcfa077088c1

  • \Users\Admin\AppData\Local\Temp\_MEI22282\python39.dll

    Filesize

    4.3MB

    MD5

    5cd203d356a77646856341a0c9135fc6

    SHA1

    a1f4ac5cc2f5ecb075b3d0129e620784814a48f7

    SHA256

    a56afcf5f3a72769c77c3bc43c9b84197180a8b3380b6258073223bfd72ed47a

    SHA512

    390008d57fa711d7c88b77937bf16fdb230e7c1e7182faea6d7c206e9f65ced6f2e835f9da9befb941e80624abe45875602e0e7ad485d9a009d2450a2a0e0f1f