Extracted

• • Target

    1d3ee4783ce7a30a7fd422f5abe7ba25

  • Size

    5.7MB

  • MD5

    1d3ee4783ce7a30a7fd422f5abe7ba25

  • SHA1

    81073e407e3e61f102c414e797e99a46cb31d766

  • SHA256

    f9fe730178dcb234b908d759db705a9f78c1505df5bd5c09a5369a6f9ed2363b

  • SHA512

    5218273891d304f9ddb88c61e984fcee2b955b8789292419e3f78c6d48dbf35dcadb77dd9f7942175bafb4a96a2462c3f48886e277fe861c124548f995f652df

  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