Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 11:05

General

  • Target
    d13ec36c4367a2da950f5b5017a0e4fa.exe
  • Size 942KB
  • Sample201019-ty52ns49cj
  • SHA256 d2405dfb3b7c13a2bcb7f3a64ce965708031b4ebafcd36005efe9707ad232402
  • 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 3 IoCs
  • Suspicious use of WriteProcessMemory 521 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d13ec36c4367a2da950f5b5017a0e4fa.exe
    "C:\Users\Admin\AppData\Local\Temp\d13ec36c4367a2da950f5b5017a0e4fa.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Windows\SysWOW64\Notepad.exe
      "C:\Windows\System32\Notepad.exe"
      2⤵
        PID:268
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Public\Natso.bat
          3⤵
            PID:2528
            • C:\Windows\SysWOW64\reg.exe
              reg delete hkcu\Environment /v windir /f
              4⤵
              • Modifies registry key
              PID:2612
            • 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:2652
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
              4⤵
                PID:2668
              • C:\Windows\SysWOW64\reg.exe
                reg delete hkcu\Environment /v windir /f
                4⤵
                • Modifies registry key
                PID:2684
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c C:\Users\Public\Natso.bat
              3⤵
                PID:2704
            • C:\Program Files (x86)\internet explorer\ieinstal.exe
              "C:\Program Files (x86)\internet explorer\ieinstal.exe"
              2⤵
                PID:2540

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  memory/268-3-0x00000000000E0000-0x00000000000E1000-memory.dmp

                  memory/268-5-0x0000000000160000-0x0000000000161000-memory.dmp

                  memory/268-244-0x0000000003C40000-0x0000000003C41000-memory.dmp

                  memory/1264-2-0x0000000004540000-0x000000000458D000-memory.dmp

                  memory/1264-243-0x0000000050480000-0x000000005049A000-memory.dmp

                  memory/1264-0-0x00000000003F0000-0x0000000000400000-memory.dmp

                  memory/1264-253-0x0000000010530000-0x000000001054B000-memory.dmp

                  memory/1884-1-0x000007FEF6690000-0x000007FEF690A000-memory.dmp

                  memory/2540-247-0x00000000000D0000-0x00000000000D1000-memory.dmp

                  memory/2540-249-0x0000000000110000-0x0000000000111000-memory.dmp

                  memory/2540-255-0x0000000000230000-0x0000000000231000-memory.dmp