Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2024 16:07

General

  • Target

    555dca345a0206146b4291f64323e5d7250fa4ec481aaa975ffac62dcaca8492.exe

  • Size

    196KB

  • MD5

    7be5798c1c440b6595abdec53ded379a

  • SHA1

    9a94f5d871271dfc9f09cbcfd44d61d57063d353

  • SHA256

    555dca345a0206146b4291f64323e5d7250fa4ec481aaa975ffac62dcaca8492

  • SHA512

    4107a1e267303154136b2e4ec0cf3e7cf30ec7bb123d62f7d830f39d4ffa219701716a50a50289249c1ef8abdd792012f478898c8136a91df99160f72c72bdb8

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOL:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXa

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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\555dca345a0206146b4291f64323e5d7250fa4ec481aaa975ffac62dcaca8492.exe
    "C:\Users\Admin\AppData\Local\Temp\555dca345a0206146b4291f64323e5d7250fa4ec481aaa975ffac62dcaca8492.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\555DCA~1.EXE > nul
      2⤵
        PID:3400
    • C:\Windows\Debug\uyghost.exe
      C:\Windows\Debug\uyghost.exe
      1⤵
      • Executes dropped EXE
      PID:2884

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\debug\uyghost.exe

      Filesize

      196KB

      MD5

      1659155b99a721e7be4b039deb49d03d

      SHA1

      f6fbb94b93165d5efa198615af36134d3bd20071

      SHA256

      e10d361d85fffb4b08f32efdf271b2e3aed395cf3e04cf17454acb2d89fd0604

      SHA512

      d36f3f020781f67d596cf98a5c69821a1defe1c5893282d290e8479df3f95821f80f982e3142861e40900e0cb03a8d7b9b9fbb67a8e31d056ced058b0b55c661