Analysis

  • max time kernel
    25s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    24/02/2023, 01:49

General

  • Target

    RR.lnk

  • Size

    1KB

  • MD5

    db1ff5d2699b70f0932f6ba65f5642cf

  • SHA1

    104b04eddf98e76c50e54fbd5645ec0f22c64035

  • SHA256

    6af7106256432463f4281e0ee44a499c8c7188b034f5428b5f1018bc22883de1

  • SHA512

    2e81a9472927a873bf05d700a591d72afe9ad006f2d46413b507690e5d9d4b9b18a71bd1f2f3d142d037d6e7c880857b6bb6b02620977d66cd779fd06ae9e664

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\RR.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe" /q /c vibrations\\disharmony.cmd
      2⤵
      • Suspicious behavior: CmdExeWriteProcessMemorySpam
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Users\Admin\AppData\Local\Temp\vibrations\smirch.exe
        vibrations\smirch.exe -decode vibrations\stateswoman.sql c:\users\public\output.txt
        3⤵
          PID:652
        • C:\Users\Admin\AppData\Local\Temp\vibrations\smirch.exe
          "C:\Users\Admin\AppData\Local\Temp\vibrations\smirch.exe" -decode vibrations\stateswoman.sql c:\users\public\output.txt
          3⤵
            PID:2028
          • C:\Users\Admin\AppData\Local\Temp\vibrations\smirch.exe
            vibrations\smirch.exe -decode c:\users\public\output.txt c:\users\public\output2.txt
            3⤵
              PID:1908
            • C:\Users\Admin\AppData\Local\Temp\vibrations\smirch.exe
              "C:\Users\Admin\AppData\Local\Temp\vibrations\smirch.exe" -decode c:\users\public\output.txt c:\users\public\output2.txt
              3⤵
                PID:1944
              • C:\Windows\SysWOW64\rundll32.exe
                rundll32 c:\users\public\output2.txt,N115
                3⤵
                  PID:1512

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1708-125-0x0000000002200000-0x0000000002201000-memory.dmp

              Filesize

              4KB

            • memory/1708-161-0x0000000002200000-0x0000000002201000-memory.dmp

              Filesize

              4KB