Extracted

• • Target

    f689c7187459510eb412f16e476a6d8f87b862c1fc969f2377404c78b1f3412f

  • Size

    4.5MB

  • MD5

    ec73cfe671432b6b734b93c0d9f90625

  • SHA1

    3602b219f902903ccf253ab816dc4c6c73a6e003

  • SHA256

    f689c7187459510eb412f16e476a6d8f87b862c1fc969f2377404c78b1f3412f

  • SHA512

    07dc8900ae02a9aa3a4140f14a15ca5aee50c574aecd83df1de4d2e270166110fdca9978732c56373a479395afbce474c3c2773511968bc06812b388adf68226

  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