Analysis

  • max time kernel
    50s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    23/02/2023, 07:29

General

  • Target
    RR.lnk
  • Size 1KB
  • Sample230223-jbj1jsfa99
  • SHA256 0de89af6fa556b786c8de96fb3cfe96307ce8d8a14cef1fb6ca2f0d9e56be9b0
  • MD5 SHA1 SHA512
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:1048
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe" /q /c vibrations\\floodlight.cmd
      2⤵
      • Suspicious behavior: CmdExeWriteProcessMemorySpam
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\Users\Admin\AppData\Local\Temp\vibrations\circlets.exe
        vibrations\circlets.exe -decode vibrations\snows.sql c:\users\public\output.txt
        3⤵
          PID:804
        • C:\Users\Admin\AppData\Local\Temp\vibrations\circlets.exe
          "C:\Users\Admin\AppData\Local\Temp\vibrations\circlets.exe" -decode vibrations\snows.sql c:\users\public\output.txt
          3⤵
            PID:648
          • C:\Users\Admin\AppData\Local\Temp\vibrations\circlets.exe
            vibrations\circlets.exe -decode c:\users\public\output.txt c:\users\public\output2.txt
            3⤵
              PID:1976
            • C:\Users\Admin\AppData\Local\Temp\vibrations\circlets.exe
              "C:\Users\Admin\AppData\Local\Temp\vibrations\circlets.exe" -decode c:\users\public\output.txt c:\users\public\output2.txt
              3⤵
                PID:2032
              • C:\Windows\SysWOW64\rundll32.exe
                rundll32 c:\users\public\output2.txt,N115
                3⤵
                  PID:912

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  memory/524-125-0x00000000023A0000-0x00000000023A1000-memory.dmp

                  memory/524-158-0x00000000023A0000-0x00000000023A1000-memory.dmp