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Resubmissions

17/03/2025, 03:29

250317-d18sbayxhw 10

17/03/2025, 03:22

250317-dw9h2syxat 10

17/03/2025, 01:55

250317-cca1pswxc1 10

Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17/03/2025, 01:55

General

  • Target

    2025-03-17_ff03d71dba0625380d825791779942dc_ryuk.exe

  • Size

    11.7MB

  • MD5

    ff03d71dba0625380d825791779942dc

  • SHA1

    f7d6e8f6701738718eb250926d73f3070157f913

  • SHA256

    b7def7c2139cdaa2483a681ed343133f1f034a4d53136d32157c89c8705a4765

  • SHA512

    ed32529a3a278af0e49507925806513baf90f6948d98f638cae31489efb30bdc23dfb916d405827aa6dfdc6856ef97bfd89832b17f5d1372759e92ecfd5fcc7d

  • SSDEEP

    196608:a8Hu1FcHZZY0MhCZBTX1QFhjwt25Hnuz48RmU/3ZlsPvXfg2TvN8C1Uggo19T20Q:1HuMHZilAHOHuztN3ZWXBTMw19Sy

Score
7/10

Malware Config

Signatures

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-17_ff03d71dba0625380d825791779942dc_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-17_ff03d71dba0625380d825791779942dc_ryuk.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Users\Admin\AppData\Local\Temp\2025-03-17_ff03d71dba0625380d825791779942dc_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-03-17_ff03d71dba0625380d825791779942dc_ryuk.exe"
      2⤵
      • Loads dropped DLL
      PID:1192

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI28602\python39.dll

    Filesize

    4.3MB

    MD5

    088904a7f5b53107db42e15827e3af98

    SHA1

    1768e7fb1685410e188f663f5b259710f597e543

    SHA256

    3761c232e151e9ceaf6c7d37b68da3df1962e3106e425cc3937d1f60170f3718

    SHA512

    c5edc25fd9a37673f769af1a1fd540b41e68351bc30b44bc83a1d0d4a8fb078888bbb31173a77ef47698631c9816bc05637b499c20d63e3d65457d9aa4bc2c6b