Analysis

  • max time kernel
    140s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    31-07-2020 11:47

General

  • Target

    IMG_000002_DOCUMENTS_PDF.exe

  • Size

    1.0MB

  • MD5

    c7089c992c256d32b1a788446baae7ed

  • SHA1

    6b91fc02ec694f8c24eb52c1de823ae34460a4c8

  • SHA256

    37c2608ad09b3f6d0cd33476b8f6bf6fefd1a0f2408657072da80a0454da7e6f

  • SHA512

    9751861cef6ba9c882b59a474f9ed09ad57d5602578bee2d38ae8ca04abd3d044902530d0ecdc082c9be54a8262dcc88372e5a6e4dab66e8971796ff4a696dd5

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry key 1 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 511 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IMG_000002_DOCUMENTS_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG_000002_DOCUMENTS_PDF.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Windows\SysWOW64\Notepad.exe
      "C:\Windows\System32\Notepad.exe"
      2⤵
        PID:1836
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Public\Natso.bat
          3⤵
            PID:2280
            • C:\Windows\SysWOW64\reg.exe
              reg delete hkcu\Environment /v windir /f
              4⤵
              • Modifies registry key
              PID:2316
            • 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:2336
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
              4⤵
                PID:2348
              • C:\Windows\SysWOW64\reg.exe
                reg delete hkcu\Environment /v windir /f
                4⤵
                • Modifies registry key
                PID:2408
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c C:\Users\Public\Natso.bat
              3⤵
                PID:2428
            • C:\Program Files (x86)\internet explorer\ieinstal.exe
              "C:\Program Files (x86)\internet explorer\ieinstal.exe"
              2⤵
              • Suspicious use of SetWindowsHookEx
              PID:2328

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Persistence

          Registry Run Keys / Startup Folder

          1
          T1060

          Defense Evasion

          Modify Registry

          3
          T1112

          Install Root Certificate

          1
          T1130

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Public\Natso.bat
            MD5

            5cc1682955fd9f5800a8f1530c9a4334

            SHA1

            e09b6a4d729f2f4760ee42520ec30c3192c85548

            SHA256

            5562cc607d2f698327efacc4a21bd079bb14a99b03e7a01b3c67f8440e341cb3

            SHA512

            80767263aad44c739236161d4338d5dd8b0b58613f22cd173c3e88ebf143220ee56bbf93ace69a07d3c2f00daff0adbaa8461a1d53d12699725395c931c43cb6

          • memory/1448-120-0x0000000050480000-0x000000005049A000-memory.dmp
            Filesize

            104KB

          • memory/1836-64-0x0000000000000000-mapping.dmp
          • memory/1836-25-0x0000000000000000-mapping.dmp
          • memory/1836-2-0x0000000000000000-mapping.dmp
          • memory/1836-3-0x0000000000000000-mapping.dmp
          • memory/1836-4-0x0000000000000000-mapping.dmp
          • memory/1836-5-0x0000000000000000-mapping.dmp
          • memory/1836-6-0x0000000000000000-mapping.dmp
          • memory/1836-7-0x0000000000000000-mapping.dmp
          • memory/1836-8-0x0000000000000000-mapping.dmp
          • memory/1836-9-0x0000000000000000-mapping.dmp
          • memory/1836-10-0x0000000000000000-mapping.dmp
          • memory/1836-11-0x0000000000000000-mapping.dmp
          • memory/1836-12-0x0000000000000000-mapping.dmp
          • memory/1836-13-0x0000000000000000-mapping.dmp
          • memory/1836-14-0x0000000000000000-mapping.dmp
          • memory/1836-15-0x0000000000000000-mapping.dmp
          • memory/1836-16-0x0000000000000000-mapping.dmp
          • memory/1836-17-0x0000000000000000-mapping.dmp
          • memory/1836-18-0x0000000000000000-mapping.dmp
          • memory/1836-19-0x0000000000000000-mapping.dmp
          • memory/1836-20-0x0000000000000000-mapping.dmp
          • memory/1836-21-0x0000000000000000-mapping.dmp
          • memory/1836-22-0x0000000000000000-mapping.dmp
          • memory/1836-23-0x0000000000000000-mapping.dmp
          • memory/1836-24-0x0000000000000000-mapping.dmp
          • memory/1836-65-0x0000000000000000-mapping.dmp
          • memory/1836-26-0x0000000000000000-mapping.dmp
          • memory/1836-27-0x0000000000000000-mapping.dmp
          • memory/1836-28-0x0000000000000000-mapping.dmp
          • memory/1836-29-0x0000000000000000-mapping.dmp
          • memory/1836-30-0x0000000000000000-mapping.dmp
          • memory/1836-31-0x0000000000000000-mapping.dmp
          • memory/1836-32-0x0000000000000000-mapping.dmp
          • memory/1836-33-0x0000000000000000-mapping.dmp
          • memory/1836-34-0x0000000000000000-mapping.dmp
          • memory/1836-35-0x0000000000000000-mapping.dmp
          • memory/1836-36-0x0000000000000000-mapping.dmp
          • memory/1836-37-0x0000000000000000-mapping.dmp
          • memory/1836-39-0x0000000000000000-mapping.dmp
          • memory/1836-38-0x0000000000000000-mapping.dmp
          • memory/1836-40-0x0000000000000000-mapping.dmp
          • memory/1836-0-0x0000000000000000-mapping.dmp
          • memory/1836-42-0x0000000000000000-mapping.dmp
          • memory/1836-43-0x0000000000000000-mapping.dmp
          • memory/1836-44-0x0000000000000000-mapping.dmp
          • memory/1836-45-0x0000000000000000-mapping.dmp
          • memory/1836-46-0x0000000000000000-mapping.dmp
          • memory/1836-47-0x0000000000000000-mapping.dmp
          • memory/1836-48-0x0000000000000000-mapping.dmp
          • memory/1836-49-0x0000000000000000-mapping.dmp
          • memory/1836-50-0x0000000000000000-mapping.dmp
          • memory/1836-51-0x0000000000000000-mapping.dmp
          • memory/1836-53-0x0000000000000000-mapping.dmp
          • memory/1836-52-0x0000000000000000-mapping.dmp
          • memory/1836-54-0x0000000000000000-mapping.dmp
          • memory/1836-55-0x0000000000000000-mapping.dmp
          • memory/1836-56-0x0000000000000000-mapping.dmp
          • memory/1836-57-0x0000000000000000-mapping.dmp
          • memory/1836-58-0x0000000000000000-mapping.dmp
          • memory/1836-59-0x0000000000000000-mapping.dmp
          • memory/1836-60-0x0000000000000000-mapping.dmp
          • memory/1836-61-0x0000000000000000-mapping.dmp
          • memory/1836-62-0x0000000000000000-mapping.dmp
          • memory/1836-63-0x0000000000000000-mapping.dmp
          • memory/1836-41-0x0000000000000000-mapping.dmp
          • memory/1836-1-0x0000000000000000-mapping.dmp
          • memory/1836-118-0x0000000000000000-mapping.dmp
          • memory/1836-67-0x0000000000000000-mapping.dmp
          • memory/1836-68-0x0000000000000000-mapping.dmp
          • memory/1836-69-0x0000000000000000-mapping.dmp
          • memory/1836-70-0x0000000000000000-mapping.dmp
          • memory/1836-71-0x0000000000000000-mapping.dmp
          • memory/1836-72-0x0000000000000000-mapping.dmp
          • memory/1836-73-0x0000000000000000-mapping.dmp
          • memory/1836-74-0x0000000000000000-mapping.dmp
          • memory/1836-75-0x0000000000000000-mapping.dmp
          • memory/1836-76-0x0000000000000000-mapping.dmp
          • memory/1836-77-0x0000000000000000-mapping.dmp
          • memory/1836-78-0x0000000000000000-mapping.dmp
          • memory/1836-79-0x0000000000000000-mapping.dmp
          • memory/1836-80-0x0000000000000000-mapping.dmp
          • memory/1836-81-0x0000000000000000-mapping.dmp
          • memory/1836-82-0x0000000000000000-mapping.dmp
          • memory/1836-83-0x0000000000000000-mapping.dmp
          • memory/1836-84-0x0000000000000000-mapping.dmp
          • memory/1836-85-0x0000000000000000-mapping.dmp
          • memory/1836-86-0x0000000000000000-mapping.dmp
          • memory/1836-87-0x0000000000000000-mapping.dmp
          • memory/1836-88-0x0000000000000000-mapping.dmp
          • memory/1836-89-0x0000000000000000-mapping.dmp
          • memory/1836-90-0x0000000000000000-mapping.dmp
          • memory/1836-91-0x0000000000000000-mapping.dmp
          • memory/1836-92-0x0000000000000000-mapping.dmp
          • memory/1836-93-0x0000000000000000-mapping.dmp
          • memory/1836-94-0x0000000000000000-mapping.dmp
          • memory/1836-95-0x0000000000000000-mapping.dmp
          • memory/1836-96-0x0000000000000000-mapping.dmp
          • memory/1836-97-0x0000000000000000-mapping.dmp
          • memory/1836-98-0x0000000000000000-mapping.dmp
          • memory/1836-99-0x0000000000000000-mapping.dmp
          • memory/1836-100-0x0000000000000000-mapping.dmp
          • memory/1836-101-0x0000000000000000-mapping.dmp
          • memory/1836-102-0x0000000000000000-mapping.dmp
          • memory/1836-103-0x0000000000000000-mapping.dmp
          • memory/1836-104-0x0000000000000000-mapping.dmp
          • memory/1836-105-0x0000000000000000-mapping.dmp
          • memory/1836-106-0x0000000000000000-mapping.dmp
          • memory/1836-107-0x0000000000000000-mapping.dmp
          • memory/1836-108-0x0000000000000000-mapping.dmp
          • memory/1836-109-0x0000000000000000-mapping.dmp
          • memory/1836-110-0x0000000000000000-mapping.dmp
          • memory/1836-111-0x0000000000000000-mapping.dmp
          • memory/1836-112-0x0000000000000000-mapping.dmp
          • memory/1836-113-0x0000000000000000-mapping.dmp
          • memory/1836-114-0x0000000000000000-mapping.dmp
          • memory/1836-115-0x0000000000000000-mapping.dmp
          • memory/1836-116-0x0000000000000000-mapping.dmp
          • memory/1836-117-0x0000000000000000-mapping.dmp
          • memory/1836-66-0x0000000000000000-mapping.dmp
          • memory/1836-119-0x0000000000000000-mapping.dmp
          • memory/1836-121-0x0000000000000000-mapping.dmp
          • memory/2280-122-0x0000000000000000-mapping.dmp
          • memory/2316-124-0x0000000000000000-mapping.dmp
          • memory/2328-126-0x0000000000530000-0x0000000000556000-memory.dmp
            Filesize

            152KB

          • memory/2328-128-0x0000000000531640-mapping.dmp
          • memory/2328-129-0x0000000000530000-0x0000000000556000-memory.dmp
            Filesize

            152KB

          • memory/2336-125-0x0000000000000000-mapping.dmp
          • memory/2348-127-0x0000000000000000-mapping.dmp
          • memory/2408-130-0x0000000000000000-mapping.dmp
          • memory/2428-131-0x0000000000000000-mapping.dmp