General

  • Target

    82c2359d34d3963f1254fe66fd531487.bin

  • Size

    14.8MB

  • Sample

    240623-cy7a2awfkg

  • MD5

    82c2359d34d3963f1254fe66fd531487

  • SHA1

    9881acf4de4b213f1500bc6627858257e4bbd190

  • SHA256

    899aa9dd6997669142d99322dc8151ca0bad52758a3a6680affd28447e3ca2e9

  • SHA512

    f98500b7f3de7e2577454c23e14eff00feb0c434ac1bc544da6e2d67d5d4ffd53d6e0d180685358ecd187ae1a1b7c5e04dedac90f844607fca0314edfc122a26

  • SSDEEP

    6144:v+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:v+r1IeSXMXc7LlxWV4Ug97GZ+ej

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      82c2359d34d3963f1254fe66fd531487.bin

    • Size

      14.8MB

    • MD5

      82c2359d34d3963f1254fe66fd531487

    • SHA1

      9881acf4de4b213f1500bc6627858257e4bbd190

    • SHA256

      899aa9dd6997669142d99322dc8151ca0bad52758a3a6680affd28447e3ca2e9

    • SHA512

      f98500b7f3de7e2577454c23e14eff00feb0c434ac1bc544da6e2d67d5d4ffd53d6e0d180685358ecd187ae1a1b7c5e04dedac90f844607fca0314edfc122a26

    • SSDEEP

      6144:v+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:v+r1IeSXMXc7LlxWV4Ug97GZ+ej

    • 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