General

  • Target

    38b4d518dda0abfe2f9443bc4146a295b2d9c9ed521f992c02aa9779e0e6ecb9

  • Size

    237KB

  • Sample

    221127-tej5tsab43

  • MD5

    da4589a4d9f3757d9e9a5ee57b0975f6

  • SHA1

    c901fb7d0c9807bbea3550dc3a61918d1bcddaf8

  • SHA256

    38b4d518dda0abfe2f9443bc4146a295b2d9c9ed521f992c02aa9779e0e6ecb9

  • SHA512

    5e959612aa88d48285d98c11936c5845d33d93412433c349894ff7995c558ed4de103a5467130597efcf3955f931a540e52b72f1609237138f8940fc93d7f083

  • SSDEEP

    3072:iQIURTXJtnHOs6CF6veNVEdvFdcflCMX4JzJ9Do4ot6olMfIpKZKFo/hkkt7MY+A:isP6Y6veN4LOPX4lkigoKFArlVnR

Malware Config

Targets

    • Target

      38b4d518dda0abfe2f9443bc4146a295b2d9c9ed521f992c02aa9779e0e6ecb9

    • Size

      237KB

    • MD5

      da4589a4d9f3757d9e9a5ee57b0975f6

    • SHA1

      c901fb7d0c9807bbea3550dc3a61918d1bcddaf8

    • SHA256

      38b4d518dda0abfe2f9443bc4146a295b2d9c9ed521f992c02aa9779e0e6ecb9

    • SHA512

      5e959612aa88d48285d98c11936c5845d33d93412433c349894ff7995c558ed4de103a5467130597efcf3955f931a540e52b72f1609237138f8940fc93d7f083

    • SSDEEP

      3072:iQIURTXJtnHOs6CF6veNVEdvFdcflCMX4JzJ9Do4ot6olMfIpKZKFo/hkkt7MY+A:isP6Y6veN4LOPX4lkigoKFArlVnR

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Registers COM server for autorun

    • Sets DLL path for service in the registry

    • UPX packed file

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

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks