Analysis

  • max time kernel
    139s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    31/10/2020, 06:44

General

  • Target
    7e542217bacb646fc74abfc0d9114ef1.exe
  • Size 743KB
  • Sample201031-7x87y6eqee
  • SHA256 fdeab1bddd43965a3ec2ed0a6001bc926a7f995bffc549b64379324374beac4b
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ModiLoader First Stage 1 IoCs
  • ModiLoader Second Stage 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies registry key 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 517 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e542217bacb646fc74abfc0d9114ef1.exe
    "C:\Users\Admin\AppData\Local\Temp\7e542217bacb646fc74abfc0d9114ef1.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Windows\SysWOW64\Notepad.exe
      "C:\Windows\System32\Notepad.exe"
      2⤵
        PID:1760
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Public\Natso.bat
          3⤵
            PID:2848
            • C:\Windows\SysWOW64\reg.exe
              reg delete hkcu\Environment /v windir /f
              4⤵
              • Modifies registry key
              PID:2920
            • C:\Windows\SysWOW64\reg.exe
              reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\x.bat reg delete hkcu\Environment /v windir /f && REM "
              4⤵
              • Modifies registry key
              PID:2940
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
              4⤵
                PID:2956
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c C:\Users\Public\Natso.bat
              3⤵
                PID:2972
            • C:\Program Files (x86)\internet explorer\ieinstal.exe
              "C:\Program Files (x86)\internet explorer\ieinstal.exe"
              2⤵
                PID:2872

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  memory/1252-1-0x000007FEF61D0000-0x000007FEF644A000-memory.dmp

                  memory/1424-0-0x0000000000910000-0x000000000094A000-memory.dmp

                  memory/1424-2-0x00000000047E0000-0x000000000482D000-memory.dmp

                  memory/1424-243-0x0000000050480000-0x000000005049A000-memory.dmp

                  memory/1424-255-0x0000000010530000-0x000000001054B000-memory.dmp

                  memory/1760-5-0x00000000000E0000-0x00000000000E1000-memory.dmp

                  memory/1760-3-0x00000000000A0000-0x00000000000A1000-memory.dmp

                  memory/1760-244-0x0000000003C80000-0x0000000003C81000-memory.dmp

                  memory/2872-249-0x00000000000D0000-0x00000000000D1000-memory.dmp

                  memory/2872-247-0x0000000000090000-0x0000000000091000-memory.dmp

                  memory/2872-258-0x0000000000180000-0x0000000000181000-memory.dmp