Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • 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 3 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 510 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:4760
    • C:\Windows\SysWOW64\Notepad.exe
      "C:\Windows\System32\Notepad.exe"
      2⤵
        PID:3200
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Public\Natso.bat
          3⤵
            PID:4356
            • C:\Windows\SysWOW64\reg.exe
              reg delete hkcu\Environment /v windir /f
              4⤵
              • Modifies registry key
              PID:1552
            • 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:1780
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
              4⤵
                PID:2268
              • C:\Windows\SysWOW64\reg.exe
                reg delete hkcu\Environment /v windir /f
                4⤵
                • Modifies registry key
                PID:2768
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c C:\Users\Public\Natso.bat
              3⤵
                PID:2608
            • C:\Program Files (x86)\internet explorer\ieinstal.exe
              "C:\Program Files (x86)\internet explorer\ieinstal.exe"
              2⤵
                PID:4360

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  memory/3200-2-0x0000000000980000-0x0000000000981000-memory.dmp

                  memory/3200-243-0x0000000006560000-0x0000000006561000-memory.dmp

                  memory/3200-4-0x0000000000C40000-0x0000000000C41000-memory.dmp

                  memory/4360-253-0x0000000000770000-0x0000000000771000-memory.dmp

                  memory/4360-248-0x00000000007D0000-0x00000000007D1000-memory.dmp

                  memory/4360-245-0x0000000000710000-0x0000000000711000-memory.dmp

                  memory/4760-0-0x0000000002970000-0x00000000029AA000-memory.dmp

                  memory/4760-1-0x0000000003A20000-0x0000000003A6D000-memory.dmp

                  memory/4760-242-0x0000000050480000-0x000000005049A000-memory.dmp

                  memory/4760-252-0x0000000010530000-0x000000001054B000-memory.dmp