Extracted

Extracted

• • Target

    d8c17d8c7ca799fe434174b292115685.exe

  • Size

    262KB

  • MD5

    d8c17d8c7ca799fe434174b292115685

  • SHA1

    933bf284ae175f9b8667014c58ced7c25dc4be9d

  • SHA256

    874646ae5e48bcb2e0f85adf92ba4a8e7a91a3124f7c35ec9228dda6fa568678

  • SHA512

    559ed328c109616e6754a023d53085737ae9e382b093dba9f5d5610f9485fee1b10d46d515f4df309c9685d977f1c9b0ee7fd94ff8d2bcf741e9059611bfadd9

  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