Analysis

  • max time kernel
    142s
  • max time network
    167s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    10-02-2022 02:57

General

  • Target

    475eba482ed51fe75968f9457f559c9af6cf50ea35bc305e39e8bdee7e75bf57.exe

  • Size

    2.9MB

  • MD5

    d54474edd997f5ae1772d45974bd7005

  • SHA1

    1c6dd6518d61df04fe42b4280cbe1c0e62bb352b

  • SHA256

    475eba482ed51fe75968f9457f559c9af6cf50ea35bc305e39e8bdee7e75bf57

  • SHA512

    e9f187eebdbef0c0b38d01c163c827ed6e6e5fcbe355ac50cded01521425a558f3d090c8b6d1039c760c623ca20432fe830d647428188428761e4b3a75d067f9

Score
10/10

Malware Config

Signatures

  • Gozi RM3

    A heavily modified version of Gozi using RM3 loader.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Modifies registry class 21 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\475eba482ed51fe75968f9457f559c9af6cf50ea35bc305e39e8bdee7e75bf57.exe
    "C:\Users\Admin\AppData\Local\Temp\475eba482ed51fe75968f9457f559c9af6cf50ea35bc305e39e8bdee7e75bf57.exe"
    1⤵
      PID:1884
    • C:\Users\Admin\AppData\Local\Temp\475eba482ed51fe75968f9457f559c9af6cf50ea35bc305e39e8bdee7e75bf57.exe
      "C:\Users\Admin\AppData\Local\Temp\475eba482ed51fe75968f9457f559c9af6cf50ea35bc305e39e8bdee7e75bf57.exe" /SU
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Modifies system certificate store
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" "http://go.1und1.de/os/win/ie_runonce"
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2008
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2008 CREDAT:275457 /prefetch:2
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:548

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/524-57-0x0000000000090000-0x0000000000091000-memory.dmp

      Filesize

      4KB

    • memory/1884-54-0x0000000075D61000-0x0000000075D63000-memory.dmp

      Filesize

      8KB

    • memory/1884-55-0x00000000001A0000-0x00000000001A2000-memory.dmp

      Filesize

      8KB