Extracted

• • Target

    829ccebd604476e92b2d847e228af249e7233e4e42136760e702de4115bd52fe

  • Size

    3.3MB

  • MD5

    21e3feb31825be4bbbe5e509b48eeec7

  • SHA1

    90f9d03713da9b7ec84b938c28b9cd38960c38b9

  • SHA256

    829ccebd604476e92b2d847e228af249e7233e4e42136760e702de4115bd52fe

  • SHA512

    51eec2b1f3cd9d9ee2383485cb8f09b45676d648c371c177136ba4beaa227a24dec8baf41bee88a8bc178f2f03bfab89deb7efc8b9f33302fa74a07ad7768488

  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

  • Legitimate hosting services abused for malware hosting/C2

  • Drops file in System32 directory

  behavioral1behavioral2