Analysis

  • max time kernel
    142s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230705-en
  • resource tags

    arch:x64arch:x86image:win7-20230705-enlocale:en-usos:windows7-x64system
  • submitted
    06/07/2023, 23:35

General

  • Target

    Fast Ping.exe

  • Size

    15.5MB

  • MD5

    392b2d3744a116db898d26e01d48141d

  • SHA1

    cb6277a90826411e188b73271634cafbd2646506

  • SHA256

    da1555cad0d5e720a785aebf0fa343270663947a436b386b81982d34f0b96094

  • SHA512

    905b05ed4a7efe3c8db8a52a8091ef1f4ae810303d94b009a841dc0c471c83fddc1f1a7446c3342acf0755efcdd49a344931cdf85beaf66385348e2b2a1a4ae3

  • SSDEEP

    393216:mEw+Js1fGxg0Uo7yc2UYNOPLlPlzfwaH153xVu7vHhqBa4Cs:mExJS5EWLUYk5lzYaVpHCpqBa4C

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Themida packer 6 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fast Ping.exe
    "C:\Users\Admin\AppData\Local\Temp\Fast Ping.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2144 -s 620
      2⤵
      • Program crash
      PID:2280

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3e74ba8d-5406-4cb9-af74-f8c58cd602e5\AgileDotNetRT64.dll

          Filesize

          3.0MB

          MD5

          e3bd88b3c3e9b33dfa72c814f8826cff

          SHA1

          6d220c9eb7ee695f2b9dec261941bed59cac15e4

          SHA256

          28e9458a43e5d86a341590eaa83d0da18c29fce81f2383d84bda484e049a1796

          SHA512

          fcb7e384b5bda0f810c4b6190a991bd066eedfc8fc97af9837cda1ba480385c8bc09bd703c1029f9d8d8a3eea3dbc03af97b014b4713a4ceea6ad6ae85b3b6e9

        • \Users\Admin\AppData\Local\Temp\3e74ba8d-5406-4cb9-af74-f8c58cd602e5\AgileDotNetRT64.dll

          Filesize

          3.0MB

          MD5

          e3bd88b3c3e9b33dfa72c814f8826cff

          SHA1

          6d220c9eb7ee695f2b9dec261941bed59cac15e4

          SHA256

          28e9458a43e5d86a341590eaa83d0da18c29fce81f2383d84bda484e049a1796

          SHA512

          fcb7e384b5bda0f810c4b6190a991bd066eedfc8fc97af9837cda1ba480385c8bc09bd703c1029f9d8d8a3eea3dbc03af97b014b4713a4ceea6ad6ae85b3b6e9

        • memory/2144-54-0x00000000011F0000-0x0000000002180000-memory.dmp

          Filesize

          15.6MB

        • memory/2144-61-0x000007FEF29A0000-0x000007FEF31FF000-memory.dmp

          Filesize

          8.4MB

        • memory/2144-62-0x000000001BDF0000-0x000000001BE70000-memory.dmp

          Filesize

          512KB

        • memory/2144-64-0x000007FEF6BB0000-0x000007FEF6CDC000-memory.dmp

          Filesize

          1.2MB

        • memory/2144-63-0x000007FEF29A0000-0x000007FEF31FF000-memory.dmp

          Filesize

          8.4MB

        • memory/2144-65-0x000007FEF29A0000-0x000007FEF31FF000-memory.dmp

          Filesize

          8.4MB

        • memory/2144-66-0x000000001BDF0000-0x000000001BE70000-memory.dmp

          Filesize

          512KB

        • memory/2144-75-0x000007FEF29A0000-0x000007FEF31FF000-memory.dmp

          Filesize

          8.4MB