General

  • Target

    Blank-Grabber

  • Size

    305KB

  • Sample

    240529-sjjjesah27

  • MD5

    e13efa451313c1c41d3bc0f98d2c87db

  • SHA1

    4b3a165472de02d5065700b990d529310251dcc8

  • SHA256

    3f7c0a39813ea71aa8d3828a90a6957cd38028086dacac71c6fa5da956e86f70

  • SHA512

    3f64ad500b1a96ec526b6f30c0315b6f3731070be870f7d5d23e707bd1b5e18967ac1f423e751129ee4c8b68d70f0e64ea7cd59b4d2faab94fdef458d8c1f6d1

  • SSDEEP

    6144:COoGo2n9ddKM2vkm0aWyRv3492vZJT3CqbMrhryfQNRPaCieMjAkvCJv1Vi0Z63N:HoGo2n9ddKM2vkm0aWyRv3492vZJT3CQ

Malware Config

Targets

    • Target

      Blank-Grabber

    • Size

      305KB

    • MD5

      e13efa451313c1c41d3bc0f98d2c87db

    • SHA1

      4b3a165472de02d5065700b990d529310251dcc8

    • SHA256

      3f7c0a39813ea71aa8d3828a90a6957cd38028086dacac71c6fa5da956e86f70

    • SHA512

      3f64ad500b1a96ec526b6f30c0315b6f3731070be870f7d5d23e707bd1b5e18967ac1f423e751129ee4c8b68d70f0e64ea7cd59b4d2faab94fdef458d8c1f6d1

    • SSDEEP

      6144:COoGo2n9ddKM2vkm0aWyRv3492vZJT3CqbMrhryfQNRPaCieMjAkvCJv1Vi0Z63N:HoGo2n9ddKM2vkm0aWyRv3492vZJT3CQ

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • UPX packed file

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks