Extracted

Extracted

• • Target

    580fc5cd72d7979040fa1c4866ada3d0.exe

  • Size

    343KB

  • MD5

    580fc5cd72d7979040fa1c4866ada3d0

  • SHA1

    7da202d99be94f57f355c611bafde9656bca65b7

  • SHA256

    42e7ef551c652a5e6f0ff919fcb53cd2c34682006cb1436295205a41abec6589

  • SHA512

    b1be0be516e0d36c4b2e2f9e82e5cd94fecc86c39a4eee4494174f55e319a4c72d529e2aa097d3d466c5613df4106624fd689e6a1441e6be4a7bf9a15dc44815

  Score

  10^/10

  servhelpersmokeloaderbackdoordiscoveryexploitpersistencetrojanupx

  • ServHelper

    ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

    trojanbackdoorservhelper

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader

  • Grants admin privileges

    Uses net.exe to modify the user's privileges.

  • Blocklisted process makes network request

  • Downloads MZ/PE file

  • 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

  behavioral1behavioral2