General

  • Target
    74f029d2fd587f9e25091f7832bea2f2.exe
  • Size 5.7MB
  • Sample210929-s3715afdam
  • SHA256 5f0c0223d10468b9130a240432342f4056c6d7c2f6f89469c9d971bcea31255a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Targets

    • Target
      74f029d2fd587f9e25091f7832bea2f2.exe
    • Size 5.7MB
    • SHA256 5f0c0223d10468b9130a240432342f4056c6d7c2f6f89469c9d971bcea31255a
    • MD5 SHA1 SHA512
    • ServHelper

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

    • suricata: ET MALWARE ServHelper CnC Inital Checkin

      suricata: ET MALWARE ServHelper CnC Inital Checkin

    • 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

    • Sets DLL path for service in the registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Loads dropped DLL

    • Modifies file permissions

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks