Extracted

• • Target

    ecd2d822106b3028f55f0adb383b22b4f308e0079cfcfcafb26227c4afe4ae05

  • Size

    3.4MB

  • MD5

    71ee798de51093af096001f2d5dd5155

  • SHA1

    44876fea883580c63b054354d200dc5ade33d60d

  • SHA256

    ecd2d822106b3028f55f0adb383b22b4f308e0079cfcfcafb26227c4afe4ae05

  • SHA512

    0e2c4020973dec93f63a8818cb10b74851ee8c8469a2375805b318bbeec83a80d4f383c3682ce9989d661ac01a38e9c42dc5ed22b775d121323bd9823d174aab

  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

  • Legitimate hosting services abused for malware hosting/C2

  • Drops file in System32 directory

  behavioral1behavioral2