Extracted

• • Target

    resolve-domain.ps1

  • Size

    2.5MB

  • MD5

    1c42eeda1f1bcf1b607aae8a13af258a

  • SHA1

    3ceae3bbf209e777069cad37f0073c00564b7060

  • SHA256

    300199ee623af4efb07d6904e943bb1807f9e58efb6cae448630aa3c16e4fb75

  • SHA512

    5579df57fcbb7a4958cb2630e9d4fe7cbbd10821182227e1a64c522c98e254135720f26eda05c2e9c5959b40fed480e90aa10ba47be602d8c843ac965d8a0853

  Score

  10^/10

  servhelperbackdoordiscoveryexploitpersistencetrojanupx

  • ServHelper

    ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

    trojanbackdoorservhelper

  • Grants admin privileges

    Uses net.exe to modify the user's privileges.

  • Blocklisted process makes network request

  • Modifies RDP port number used by Windows

  • Possible privilege escalation attempt

    exploit

  • Sets DLL path for service in the registry

    persistence

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx

  • Deletes itself

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Drops file in System32 directory

  behavioral1behavioral2