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General

  • Target

    189c5efc65e3b28e3536ffb8616766b36115b058ceb6548c87bb3e4d3a5e0232

  • Size

    11.7MB

  • Sample

    231114-xp84gsfd3x

  • MD5

    0b9eaf5502101f33252e46846f4db5a5

  • SHA1

    620b46abbe9d9e3884d28d85fe7b949c17538eda

  • SHA256

    189c5efc65e3b28e3536ffb8616766b36115b058ceb6548c87bb3e4d3a5e0232

  • SHA512

    23fda346f08da77d3158d0a9c464a382af17c9a5649ed4b89152dec01d2527ec0cb9f6d43d5b8decf7ebcf0d65e0906f69a2443e72605c4eb7f549a004ce378c

  • SSDEEP

    3072:x8NYa2qJjULtTNupQyEC6pxhhfm5OcVi:xsRItTNKr2f45

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      189c5efc65e3b28e3536ffb8616766b36115b058ceb6548c87bb3e4d3a5e0232

    • Size

      11.7MB

    • MD5

      0b9eaf5502101f33252e46846f4db5a5

    • SHA1

      620b46abbe9d9e3884d28d85fe7b949c17538eda

    • SHA256

      189c5efc65e3b28e3536ffb8616766b36115b058ceb6548c87bb3e4d3a5e0232

    • SHA512

      23fda346f08da77d3158d0a9c464a382af17c9a5649ed4b89152dec01d2527ec0cb9f6d43d5b8decf7ebcf0d65e0906f69a2443e72605c4eb7f549a004ce378c

    • SSDEEP

      3072:x8NYa2qJjULtTNupQyEC6pxhhfm5OcVi:xsRItTNKr2f45

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks