Analysis

  • max time kernel
    142s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    06/11/2020, 17:24

General

  • Target
    DHL_677233.exe
  • Size 1017KB
  • Sample201106-1rm8ammyqj
  • SHA256 dd90203d2caab14ccfb48f6fbb2c15b956b07c72395b671e06b68049c90ceb25
  • 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 First Stage 1 IoCs
  • ModiLoader Second Stage 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 501 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL_677233.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL_677233.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:4768
    • C:\Windows\SysWOW64\Notepad.exe
      "C:\Windows\System32\Notepad.exe"
      2⤵
        PID:552
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Public\Natso.bat
          3⤵
            PID:4368
            • C:\Windows\SysWOW64\reg.exe
              reg delete hkcu\Environment /v windir /f
              4⤵
              • Modifies registry key
              PID:1548
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Public\Natso.bat
            3⤵
              PID:3348
          • C:\Program Files (x86)\internet explorer\ieinstal.exe
            "C:\Program Files (x86)\internet explorer\ieinstal.exe"
            2⤵
            • Suspicious use of SetWindowsHookEx
            PID:4364

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              memory/552-2-0x0000000002960000-0x0000000002961000-memory.dmp

              memory/552-243-0x0000000006500000-0x0000000006501000-memory.dmp

              memory/552-4-0x0000000002C20000-0x0000000002C21000-memory.dmp

              memory/4364-255-0x0000000003120000-0x0000000003121000-memory.dmp

              memory/4364-245-0x00000000030C0000-0x00000000030C1000-memory.dmp

              memory/4364-248-0x0000000003180000-0x0000000003181000-memory.dmp

              memory/4768-254-0x0000000010540000-0x0000000010565000-memory.dmp

              memory/4768-0-0x0000000002480000-0x000000000248F000-memory.dmp

              memory/4768-242-0x0000000050480000-0x000000005049A000-memory.dmp

              memory/4768-1-0x0000000004AB0000-0x0000000004B06000-memory.dmp