Extracted

• • Target

    4d4cb53955f998f339000039ebd0685b.exe

  • Size

    6.0MB

  • MD5

    4d4cb53955f998f339000039ebd0685b

  • SHA1

    49218231e8ce8358683bca89a28e3f533bd25700

  • SHA256

    39f4d59b94d2b39408e4dc962fbf2e65a79b234b46a42c6b05856e60acf7f95b

  • SHA512

    651c27448bd488b9f2628bee4a05f4e25111882fffe398419815aa6239939bac8d39a3e951549acf084870d94c6461cc6c7e3e934f0049fcc7c80b69fbdab640

  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