Analysis

  • max time kernel
    142s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2023, 06:33

General

  • Target

    33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe

  • Size

    198KB

  • MD5

    d341ae39c67ac3aa6602b179e900f177

  • SHA1

    b77100fa8730c2e444bd06e1d7514a5024e4748f

  • SHA256

    33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0

  • SHA512

    af714017f41b622541f1b84dbb9800b616e1352f9358000d36f6a28d021b428fbe1b21fa5e0078528f309235fffd8ed89422c6c41bcb88b415b61a1d6bc272ef

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOc:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXR

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe
    "C:\Users\Admin\AppData\Local\Temp\33c8669ca46003956ddaf22d90405cc768dd5ab456f5a9f260259a6c58e836f0.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\33C866~1.EXE > nul
      2⤵
        PID:5104
    • C:\Windows\Debug\lyghost.exe
      C:\Windows\Debug\lyghost.exe
      1⤵
      • Executes dropped EXE
      • Checks processor information in registry
      PID:4596

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\Debug\lyghost.exe

            Filesize

            198KB

            MD5

            77efa02ee53eea0b493045104250fc86

            SHA1

            22d1f4c87c383350c0155bbaf8ada03dfae1b770

            SHA256

            c155419e0fbf1f659acf2b5636049b49c08b85df7319eb9135fd77cf9d814a3a

            SHA512

            71b4c3a51e9a7aedc958d964d6eafb7dcb986f6e6933f6a68dab7c976eb2a4bc7a80a94983991d2db090ee8ec4aa84001412ac49cbf30e49afc00ff47bc5b6d3

          • C:\Windows\debug\lyghost.exe

            Filesize

            198KB

            MD5

            77efa02ee53eea0b493045104250fc86

            SHA1

            22d1f4c87c383350c0155bbaf8ada03dfae1b770

            SHA256

            c155419e0fbf1f659acf2b5636049b49c08b85df7319eb9135fd77cf9d814a3a

            SHA512

            71b4c3a51e9a7aedc958d964d6eafb7dcb986f6e6933f6a68dab7c976eb2a4bc7a80a94983991d2db090ee8ec4aa84001412ac49cbf30e49afc00ff47bc5b6d3