Extracted

• • Target

    20f307c716a689f4afa3a76b7143db22

  • Size

    6.0MB

  • MD5

    20f307c716a689f4afa3a76b7143db22

  • SHA1

    2fd6796fd158c93b14654240533511af6fec03e5

  • SHA256

    3647e2dc4336b2eeb828371821c706a329dce645cb16f9c1c31c3faeae8f56dd

  • SHA512

    0a8d1b2d0cbd3860df907eb692aa2d775f021822b4d856c051d84e8056a2c1cf893bab68f471b69db0615341dd2dfe78dfac1b79d2239217cfbdf71bfb84061b

  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