Extracted

• • Target

    fa984c86c9ffa1933559eaaf67b927b2b389a71977754f68841a2cde9e065ed6

  • Size

    4.5MB

  • MD5

    6e25c5952efe42d73b7d20ed3d48199b

  • SHA1

    ffc74cf6eebcf8129bc565aec41b41e7b1f84e0c

  • SHA256

    fa984c86c9ffa1933559eaaf67b927b2b389a71977754f68841a2cde9e065ed6

  • SHA512

    8ebb2206cbc8605613d894930e8982b0a424e1f8be3ad649b0237c78dfe4f75ff1691958e9a91f83286407466852c5199ec913d9cf1fd1ecaa0cde5eb8af5bb6

  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