Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2024, 01:03

General

  • Target

    2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe

  • Size

    6.5MB

  • MD5

    71b85f8f9bdda0f45c9fd6b22f342142

  • SHA1

    34bff3acc8f0ef41f586f57d54493a34293ed2b4

  • SHA256

    3b13956e01f32ecaaefabaa2c17c4b3be4d47299f1f84fc1dd810eb52b3f60d2

  • SHA512

    b6f7747fbc7fdb185780f7c4b44c148bce5dfc3d424b3cf1f540e2161f72a3df9a2288d81d8716f7a690b980297bc1ab89b497768436d15da21f65a18d03c5d2

  • SSDEEP

    98304:nI9tiSH6a6gfFCZ8th/yp3qvZ4ypOKRxoBBTxBQk6dtQ:nAH6aff4+4p84yjRyBNxqQ

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-28_71b85f8f9bdda0f45c9fd6b22f342142_avoslocker_revil.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:4592
    • C:\Users\Admin\AppData\Local\Temp\0f776b535afb459fab05aebf04fcdf8d.exe
      "C:\Users\Admin\AppData\Local\Temp\0f776b535afb459fab05aebf04fcdf8d.exe" --01
      2⤵
      • Executes dropped EXE
      PID:1524

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\0f776b535afb459fab05aebf04fcdf8d.exe

          Filesize

          6.0MB

          MD5

          02e6bf47f5315e8da515ccae63f58a6e

          SHA1

          3469eec2964080610b188eceabc216a5f0244d2b

          SHA256

          aad9c5c01c5c87d33da0695c53eb0bdae432d41452a2f54ddc1f23eb14928517

          SHA512

          949bf7ff8eaa37a0c036af580f6bde633aec5336312f1c96d879aaf2398ee05f82a9d84ce002937b95382bedf2e7143e894b8d0feec478d074a1a3e1baf1d031

        • memory/4592-3-0x000000001C160000-0x000000001C62E000-memory.dmp

          Filesize

          4.8MB

        • memory/4592-1-0x00007FF80DF50000-0x00007FF80E145000-memory.dmp

          Filesize

          2.0MB

        • memory/4592-0-0x00007FF80DF50000-0x00007FF80E145000-memory.dmp

          Filesize

          2.0MB

        • memory/4592-4-0x000000001C6D0000-0x000000001C76C000-memory.dmp

          Filesize

          624KB

        • memory/4592-5-0x0000000001700000-0x0000000001708000-memory.dmp

          Filesize

          32KB

        • memory/4592-6-0x000000001CA30000-0x000000001CA5E000-memory.dmp

          Filesize

          184KB

        • memory/4592-9-0x000000001D830000-0x000000001D83A000-memory.dmp

          Filesize

          40KB

        • memory/4592-11-0x00007FF80DF50000-0x00007FF80E145000-memory.dmp

          Filesize

          2.0MB

        • memory/4592-2-0x00007FF80DF50000-0x00007FF80E145000-memory.dmp

          Filesize

          2.0MB

        • memory/4592-16-0x000000001C790000-0x000000001C7A0000-memory.dmp

          Filesize

          64KB

        • memory/4592-17-0x000000001D840000-0x000000001D860000-memory.dmp

          Filesize

          128KB

        • memory/4592-18-0x000000001D8E0000-0x000000001D8F8000-memory.dmp

          Filesize

          96KB

        • memory/4592-20-0x00007FF80DF50000-0x00007FF80E145000-memory.dmp

          Filesize

          2.0MB