Extracted

• • Target

    5af77a762d660414bc2691e7403f34b3356c156292e0a65162897c58b14c1e68

  • Size

    3.4MB

  • MD5

    96e48f0f832b8d9ab6e34a25edf9b35f

  • SHA1

    226113af79947ef48088f2db35c98df4261ea15d

  • SHA256

    5af77a762d660414bc2691e7403f34b3356c156292e0a65162897c58b14c1e68

  • SHA512

    7c6f24c1c6f59e7e6331351c3526aceaf57c74d005e56e72294f3ddef154baddec9e6f060a92bc6ae0eb8876e9024d9d07e79d31cdc49800d790c5024a7b67aa

  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