Extracted

• • Target

    c8284ad28e4f8bd853604543884a9438.exe

  • Size

    7.1MB

  • MD5

    c8284ad28e4f8bd853604543884a9438

  • SHA1

    3d48649f085710bc3a086e53e2e9fb9b435e34cc

  • SHA256

    ac5df971e605c439d1851391f51ae799b24823c47aea5c0ac177f00e5d4cc1f2

  • SHA512

    97e5e03b93df44b58d446c4611b4e4209e5a5b9f2fe64b8b48c716771bd1d7dab211e317a929761f19ba96f478e996fcf0d9530dd693a9493a8e90b46d019852

  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

  • Executes dropped EXE

  • 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

  • Deletes itself

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1behavioral2