Analysis

  • max time kernel
    423s
  • max time network
    370s
  • submitted
    01-01-1970 00:00

General

  • Target

    mingw-w64-install.exe

  • Size

    937KB

  • MD5

    9670c3701f0b546ca63a3e6d7749e59e

  • SHA1

    224af96ce7b76c4d27c8d44061b1bf633cdd4eb1

  • SHA256

    19b9a267a5b79913bf6a3a53cda83c3f7711cb6c879d48ccb97b4ed15c21fcf1

  • SHA512

    4a7376d1a0913ed649f2ec54121acf86c03aa42c4a8c1fbbca85a35097baa282940399dcb6a7fe7f9401c8215787116a9a8d4f426f05a85644099a334be4ac87

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mingw-w64-install.exe
    "C:\Users\Admin\AppData\Local\Temp\mingw-w64-install.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1220
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\deldll.bat" "
      2⤵
        PID:3228
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -nohome
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:608
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:608 CREDAT:82945 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2072
    • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /n "C:\Users\Admin\Desktop\PublishStop.xltx"
      1⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:3212
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:1852
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Program Files\mingw-w64\x86_64-8.1.0-win32-seh-rt_v6-rev0\mingw-w64.bat" "
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4020
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2168
          • C:\Program Files\mingw-w64\x86_64-8.1.0-win32-seh-rt_v6-rev0\mingw64\bin\gcc.exe
            gcc --help
            3⤵
            • Executes dropped EXE
            PID:1612

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/608-144-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-154-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-195-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-191-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-133-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-135-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-136-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-137-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-138-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-140-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-139-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-141-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-143-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-145-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-186-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-147-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-148-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-149-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-151-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-152-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-153-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-132-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-131-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-190-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-189-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-157-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-158-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-161-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-160-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-163-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-165-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-166-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-167-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-171-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-172-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-173-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-179-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-180-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-181-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-182-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-183-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-184-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/608-185-0x00007FF937F30000-0x00007FF937F9B000-memory.dmp

        Filesize

        428KB

      • memory/1220-129-0x00000000034C0000-0x00000000034C1000-memory.dmp

        Filesize

        4KB

      • memory/1220-124-0x00000000039F0000-0x0000000003AC1000-memory.dmp

        Filesize

        836KB

      • memory/1220-122-0x00000000007B0000-0x00000000007CA000-memory.dmp

        Filesize

        104KB

      • memory/1220-130-0x00000000034A0000-0x00000000034A1000-memory.dmp

        Filesize

        4KB

      • memory/1220-126-0x00000000039F0000-0x0000000003AC1000-memory.dmp

        Filesize

        836KB

      • memory/1220-128-0x00000000039F0000-0x0000000003AC1000-memory.dmp

        Filesize

        836KB

      • memory/1220-123-0x0000000003480000-0x0000000003481000-memory.dmp

        Filesize

        4KB

      • memory/1220-188-0x0000000003AD0000-0x0000000003BA1000-memory.dmp

        Filesize

        836KB

      • memory/1220-127-0x00000000039F0000-0x0000000003AC1000-memory.dmp

        Filesize

        836KB

      • memory/1220-125-0x00000000039F0000-0x0000000003AC1000-memory.dmp

        Filesize

        836KB

      • memory/3212-206-0x00007FF905D60000-0x00007FF905D70000-memory.dmp

        Filesize

        64KB