Extracted

• • Target

    6c1c0f44893f2e5bf2290d05b9c031e65a5db7741d96110c5822ec2625bc0e92

  • Size

    3.4MB

  • MD5

    5e1a581185a9e63ea8e8228b4737958b

  • SHA1

    ffceda102fc3fe2663f848993be435bce1a17fd3

  • SHA256

    6c1c0f44893f2e5bf2290d05b9c031e65a5db7741d96110c5822ec2625bc0e92

  • SHA512

    01e509d9a2af443e8c0320e3d3e656bd52d4244fe8d451cedbc2abd0bdef496c9a9e3e52639199b3a88425abe40dc011255876523f4f5ee18e2c59edee75df58

  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