General

  • Target

    fa721eb8ab2c81b42a735d4a1626f452c780fbdacddff5d67804eb00a61e8035

  • Size

    576KB

  • Sample

    250502-c8243agq8s

  • MD5

    dc0c80f247edbbf663aa2b02cee56bc6

  • SHA1

    cdbb0bcac77f4cbe2811bc7ea4886b9c6b22ccee

  • SHA256

    fa721eb8ab2c81b42a735d4a1626f452c780fbdacddff5d67804eb00a61e8035

  • SHA512

    96e822f36f83d07a64cffb802ff5a72dba3f9c8c46ea3420d56c9d89bf6e3760be5d027aec3e699e89b16949f647c79eff8652219bb5ba19edd2d6c19d188308

  • SSDEEP

    12288:QNEnhU3nygbEMxBL2Wh2LVQKrAwrwxHdGxdOUK+iuHQG5yR9DE2t8I:vnEny0ECpTKaKkwMHOdTK+DwnA2tH

Malware Config

Targets

    • Target

      fa721eb8ab2c81b42a735d4a1626f452c780fbdacddff5d67804eb00a61e8035

    • Size

      576KB

    • MD5

      dc0c80f247edbbf663aa2b02cee56bc6

    • SHA1

      cdbb0bcac77f4cbe2811bc7ea4886b9c6b22ccee

    • SHA256

      fa721eb8ab2c81b42a735d4a1626f452c780fbdacddff5d67804eb00a61e8035

    • SHA512

      96e822f36f83d07a64cffb802ff5a72dba3f9c8c46ea3420d56c9d89bf6e3760be5d027aec3e699e89b16949f647c79eff8652219bb5ba19edd2d6c19d188308

    • SSDEEP

      12288:QNEnhU3nygbEMxBL2Wh2LVQKrAwrwxHdGxdOUK+iuHQG5yR9DE2t8I:vnEny0ECpTKaKkwMHOdTK+DwnA2tH

    • Modifies WinLogon for persistence

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Possible privilege escalation attempt

    • Deletes itself

    • Executes dropped EXE

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • 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

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks