Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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.

  • Suspicious use of WriteProcessMemory 4 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
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Users\Admin\AppData\Local\Temp\3e8f232db3f74d158dab54c016b0a1bc.exe
      "C:\Users\Admin\AppData\Local\Temp\3e8f232db3f74d158dab54c016b0a1bc.exe" --01
      2⤵
      • Executes dropped EXE
      PID:2152

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3e8f232db3f74d158dab54c016b0a1bc.exe

          Filesize

          6.0MB

          MD5

          02e6bf47f5315e8da515ccae63f58a6e

          SHA1

          3469eec2964080610b188eceabc216a5f0244d2b

          SHA256

          aad9c5c01c5c87d33da0695c53eb0bdae432d41452a2f54ddc1f23eb14928517

          SHA512

          949bf7ff8eaa37a0c036af580f6bde633aec5336312f1c96d879aaf2398ee05f82a9d84ce002937b95382bedf2e7143e894b8d0feec478d074a1a3e1baf1d031

        • memory/2848-0-0x000007FEF616E000-0x000007FEF616F000-memory.dmp

          Filesize

          4KB

        • memory/2848-1-0x000007FEF5EB0000-0x000007FEF684D000-memory.dmp

          Filesize

          9.6MB

        • memory/2848-2-0x000007FEF5EB0000-0x000007FEF684D000-memory.dmp

          Filesize

          9.6MB

        • memory/2848-3-0x000007FEF5EB0000-0x000007FEF684D000-memory.dmp

          Filesize

          9.6MB

        • memory/2848-4-0x000000001B420000-0x000000001B44E000-memory.dmp

          Filesize

          184KB

        • memory/2848-5-0x00000000005F0000-0x00000000005FA000-memory.dmp

          Filesize

          40KB

        • memory/2848-12-0x00000000002E0000-0x00000000002F0000-memory.dmp

          Filesize

          64KB

        • memory/2848-13-0x000007FEF5EB0000-0x000007FEF684D000-memory.dmp

          Filesize

          9.6MB