General

  • Target

    5d7855d336804c56bc14fc11ce5133fd

  • Size

    10.7MB

  • Sample

    231226-jmzv5sdeen

  • MD5

    5d7855d336804c56bc14fc11ce5133fd

  • SHA1

    c8db5f8830ec39913013d910f9afa2ac6576824b

  • SHA256

    beafdf839cbd8cf0f902ea644bd4c41b33a63b47d0ca6f89fb9a8dccadf28b00

  • SHA512

    3b068492a11e15853d23d4d70abae6f9180d28534476941894edb03754ed83a2ca70d062671581594e88fb2f581cd94341323fda00703808047a2cbd31bab32f

  • SSDEEP

    98304:DNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllB:hW

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      5d7855d336804c56bc14fc11ce5133fd

    • Size

      10.7MB

    • MD5

      5d7855d336804c56bc14fc11ce5133fd

    • SHA1

      c8db5f8830ec39913013d910f9afa2ac6576824b

    • SHA256

      beafdf839cbd8cf0f902ea644bd4c41b33a63b47d0ca6f89fb9a8dccadf28b00

    • SHA512

      3b068492a11e15853d23d4d70abae6f9180d28534476941894edb03754ed83a2ca70d062671581594e88fb2f581cd94341323fda00703808047a2cbd31bab32f

    • SSDEEP

      98304:DNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllB:hW

    • Tofsee

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

    • Creates new service(s)

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks