Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    31/08/2020, 11:29

General

  • Target
    New Order.exe
  • Size 567KB
  • Sample200831-yn2paymjqa
  • SHA256 4d1b436558291aa226a7342db8ff207bce093a7b329e10843101e7bf9974ea49
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • ModiLoader Second Stage 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies data under HKEY_USERS 5 IoCs
  • Modifies registry key 1 TTPs 3 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 510 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Order.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3832
    • C:\Windows\SysWOW64\Notepad.exe
      "C:\Windows\System32\Notepad.exe"
      2⤵
        PID:1288
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Public\Natso.bat
          3⤵
            PID:1420
            • C:\Windows\SysWOW64\reg.exe
              reg delete hkcu\Environment /v windir /f
              4⤵
              • Modifies registry key
              PID:3224
            • 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:3704
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
              4⤵
                PID:2636
              • C:\Windows\SysWOW64\reg.exe
                reg delete hkcu\Environment /v windir /f
                4⤵
                • Modifies registry key
                PID:1676
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c C:\Users\Public\Natso.bat
              3⤵
                PID:4032
            • C:\Program Files (x86)\internet explorer\ieinstal.exe
              "C:\Program Files (x86)\internet explorer\ieinstal.exe"
              2⤵
              • Suspicious use of SetWindowsHookEx
              PID:1056
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
            1⤵
            • Drops file in Windows directory
            • Modifies data under HKEY_USERS
            • Suspicious use of AdjustPrivilegeToken
            PID:3900

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                memory/1056-246-0x0000000002EF0000-0x0000000002EF1000-memory.dmp

                memory/1056-254-0x0000000002F50000-0x0000000002F51000-memory.dmp

                memory/1056-248-0x0000000002FB0000-0x0000000002FB1000-memory.dmp

                memory/1288-243-0x0000000005D70000-0x0000000005D71000-memory.dmp

                memory/1288-2-0x0000000000190000-0x0000000000191000-memory.dmp

                memory/1288-4-0x0000000000450000-0x0000000000451000-memory.dmp

                memory/3832-252-0x0000000010540000-0x0000000010563000-memory.dmp

                memory/3832-242-0x0000000050480000-0x000000005049A000-memory.dmp

                memory/3832-0-0x0000000004360000-0x00000000043BA000-memory.dmp