Extracted

• • Target

    6efc7601be401f3e9b49f4f2cf63fee9

  • Size

    6.0MB

  • MD5

    6efc7601be401f3e9b49f4f2cf63fee9

  • SHA1

    6c975b9f64a3e0840c43f11571bc4b1bccdc3d83

  • SHA256

    9d2a3042c4e2d68df7a39cd7efae7c64f2b7ed5ae507bac9282e154591757724

  • SHA512

    87998010dd888280388f65637945aca1c641c45ad482d9abb193b1f00c5838aff22dcec68c695feb357dab26f536edd8364640cda4814de461c506b1ff288c7a

  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

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Drops file in System32 directory

  behavioral1behavioral2