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General

  • Target

    gabronza.exe

  • Size

    47KB

  • Sample

    240406-1bzvfabd81

  • MD5

    ee8ee7a4d3a35b909553ba2e12507ab6

  • SHA1

    b74640e12e3b5acd71447c2d2491238759c1e018

  • SHA256

    5a8465b94580aa990fb1756803d3802e442c74e20d3a7170fd11e902472e21f3

  • SHA512

    f2e8b964594b4798d6a624f54d6f337ce5afca00743aef6273a091376664b29ca7b1d35596a1e2d8f002c7eea70a1aed49be66c7d9cbcb135e824c205d58726f

  • SSDEEP

    768:qWnDks8qjMkeI9hqI+CpWYtrZoWRvNxtEhRXAOzu1:qb7w/qI+iFtnEjXAOi

Malware Config

Targets

    • Target

      gabronza.exe

    • Size

      47KB

    • MD5

      ee8ee7a4d3a35b909553ba2e12507ab6

    • SHA1

      b74640e12e3b5acd71447c2d2491238759c1e018

    • SHA256

      5a8465b94580aa990fb1756803d3802e442c74e20d3a7170fd11e902472e21f3

    • SHA512

      f2e8b964594b4798d6a624f54d6f337ce5afca00743aef6273a091376664b29ca7b1d35596a1e2d8f002c7eea70a1aed49be66c7d9cbcb135e824c205d58726f

    • SSDEEP

      768:qWnDks8qjMkeI9hqI+CpWYtrZoWRvNxtEhRXAOzu1:qb7w/qI+iFtnEjXAOi

    • Renames multiple (155) files with added filename extension

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks