General

  • Target

    f71c575754e1f5890ad8b35afd08b8be.exe

  • Size

    5.9MB

  • Sample

    210923-m2t5zshebp

  • MD5

    f71c575754e1f5890ad8b35afd08b8be

  • SHA1

    69803b96f3820fabd81c79d422a1fa2a72ccb699

  • SHA256

    046f08e500cc9156c4af47a73744ccb060606c77d7a8beb5677aa6ff4d256211

  • SHA512

    32f7fab593c46efe2586825aff79688e4a688735bf950b351fe3bdffc4a9dff01da0b2d4a92acf4d4bd14aac362884bd264beced9e8b82fd3111e8ef8ef31301

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

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

Targets

    • Target

      f71c575754e1f5890ad8b35afd08b8be.exe

    • Size

      5.9MB

    • MD5

      f71c575754e1f5890ad8b35afd08b8be

    • SHA1

      69803b96f3820fabd81c79d422a1fa2a72ccb699

    • SHA256

      046f08e500cc9156c4af47a73744ccb060606c77d7a8beb5677aa6ff4d256211

    • SHA512

      32f7fab593c46efe2586825aff79688e4a688735bf950b351fe3bdffc4a9dff01da0b2d4a92acf4d4bd14aac362884bd264beced9e8b82fd3111e8ef8ef31301

    • ServHelper

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

    • 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