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
  • Sample220210-dfvpyscgak
  • SHA256 475eba482ed51fe75968f9457f559c9af6cf50ea35bc305e39e8bdee7e75bf57
  • MD5 SHA1 SHA512
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

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          Downloads

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

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

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