Analysis

  • max time kernel
    128s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    06/11/2020, 17:18

General

  • Target
    987a3bbbcbafae29557eb8e8e5b90c2c.exe
  • Size 1.5MB
  • Sample201106-3bpwvd5bfx
  • SHA256 eb77240415767631cd46725bf985bd034d5b005a939ea60785ebe2e45aa5541a
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 501 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\987a3bbbcbafae29557eb8e8e5b90c2c.exe
    "C:\Users\Admin\AppData\Local\Temp\987a3bbbcbafae29557eb8e8e5b90c2c.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\SysWOW64\Notepad.exe
      "C:\Windows\System32\Notepad.exe"
      2⤵
        PID:3208
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Public\Natso.bat
          3⤵
            PID:4444
            • C:\Windows\SysWOW64\reg.exe
              reg delete hkcu\Environment /v windir /f
              4⤵
              • Modifies registry key
              PID:4528
            • 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:4580
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Public\Natso.bat
            3⤵
              PID:4596
          • C:\Program Files (x86)\internet explorer\ieinstal.exe
            "C:\Program Files (x86)\internet explorer\ieinstal.exe"
            2⤵
              PID:4432

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                memory/1628-0-0x0000000003DE0000-0x0000000003E3C000-memory.dmp

                memory/1628-1-0x0000000004D60000-0x0000000004DAD000-memory.dmp

                memory/1628-242-0x0000000050480000-0x000000005049A000-memory.dmp

                memory/1628-254-0x0000000010530000-0x000000001054B000-memory.dmp

                memory/3208-4-0x00000000024D0000-0x00000000024D1000-memory.dmp

                memory/3208-2-0x0000000002410000-0x0000000002411000-memory.dmp

                memory/3208-243-0x0000000005DB0000-0x0000000005DB1000-memory.dmp

                memory/4432-248-0x0000000000730000-0x0000000000731000-memory.dmp

                memory/4432-245-0x0000000000670000-0x0000000000671000-memory.dmp

                memory/4432-255-0x00000000006D0000-0x00000000006D1000-memory.dmp