General

  • Target

    4ed4a6c0d1e58852258a982ec4bd8f59_JaffaCakes118

  • Size

    5.5MB

  • Sample

    241016-y4tssavakm

  • MD5

    4ed4a6c0d1e58852258a982ec4bd8f59

  • SHA1

    91c455d5b4823e9f1c9c435fa3a38b727efa20fb

  • SHA256

    5e0f3c08bbf613e917106a6a776782d33f1c261a48b6a3fd6d58036d3cfaac7c

  • SHA512

    675827a3e67816698b6957cd159532fe587c962035abdcf46e075330d6516fd375a96d0d4279da01465f86dcbf01eb652d09647894f65872dd56d17003fca8f7

  • SSDEEP

    98304:SShvKZ9My4WjLDCLHdrLbyUCLN19MaWSHGFhluzlra/+amH6ckIF1Y064Eg22ki:SxZiy42D6lvyb/MaZHJlZy34Eg2K

Malware Config

Targets

    • Target

      4ed4a6c0d1e58852258a982ec4bd8f59_JaffaCakes118

    • Size

      5.5MB

    • MD5

      4ed4a6c0d1e58852258a982ec4bd8f59

    • SHA1

      91c455d5b4823e9f1c9c435fa3a38b727efa20fb

    • SHA256

      5e0f3c08bbf613e917106a6a776782d33f1c261a48b6a3fd6d58036d3cfaac7c

    • SHA512

      675827a3e67816698b6957cd159532fe587c962035abdcf46e075330d6516fd375a96d0d4279da01465f86dcbf01eb652d09647894f65872dd56d17003fca8f7

    • SSDEEP

      98304:SShvKZ9My4WjLDCLHdrLbyUCLN19MaWSHGFhluzlra/+amH6ckIF1Y064Eg22ki:SxZiy42D6lvyb/MaZHJlZy34Eg2K

    • Detect Neshta payload

    • Detected Xorist Ransomware

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • RMS

      Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

    • Xorist Ransomware

      Xorist is a ransomware first seen in 2020.

    • Renames multiple (2216) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Drops file in Drivers directory

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks