Analysis

  • max time kernel
    152s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:26

General

  • Target

    46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe

  • Size

    158KB

  • MD5

    34926506fefc6f5ebace4672d93af6ba

  • SHA1

    4afaa8fe82b71906acf06cb2d7e52de160df2e85

  • SHA256

    46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29

  • SHA512

    cd600ea51963756703a7c438c0d8c2d4adc06d5dd5d4521baea6335f8e8c5ca9c1b6f66d6c7ae0d24d7d9c841588944fadf23375555368422f50adf6527baac5

  • SSDEEP

    3072:FZefcXfiFuibp8/6im+9eJAtp2Ll7JvAGk2ck:FZeEXfiLpAmAtpWMzk

Malware Config

Signatures

  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe
    "C:\Users\Admin\AppData\Local\Temp\46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe"
    1⤵
    • Checks BIOS information in registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:828
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      2⤵
      • Checks BIOS information in registry
      • Adds Run key to start application
      • Sets desktop wallpaper using registry
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1960
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /q /c for /l %i in (1, 1, 4000000000) do if not exist "C:\Users\Admin\AppData\Local\Temp\46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe" (exit) else (del /f "C:\Users\Admin\AppData\Local\Temp\46d55c0f9b4a86890ce08b736be10a8e79bccd552b7e8c3ba8ea7da17dccfb29.exe")
        3⤵
        • Deletes itself
        PID:516
      • C:\Windows\SysWOW64\ctfmon.exe
        ctfmon.exe
        3⤵
          PID:1000

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/516-61-0x0000000000000000-mapping.dmp

    • memory/828-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

      Filesize

      8KB

    • memory/828-55-0x00000000002D0000-0x00000000002E8000-memory.dmp

      Filesize

      96KB

    • memory/828-56-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/828-58-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/1000-62-0x0000000000000000-mapping.dmp

    • memory/1960-57-0x0000000000401000-mapping.dmp

    • memory/1960-60-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1960-71-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB