General

  • Target

    02c7c63679ca21e7ab140fd388385022

  • Size

    12.8MB

  • Sample

    231229-y1z6dsdda4

  • MD5

    02c7c63679ca21e7ab140fd388385022

  • SHA1

    deab6144715bd278428ab117918d6073ce77df7b

  • SHA256

    29b1353a7508e0203c0e1493bafab229a24ba7b8e2fb09efbfc7fe045b51e2a8

  • SHA512

    c43b712150571ec8c17e359ed6a39bbb2aed0a0b4e346ee8c4d2056f5485d626384ecf3a104aa7ec05b1c8f684b14baf8c936562f8816a65d2ae6e53b169854c

  • SSDEEP

    49152:nvVGWdbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbz:nvV

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      02c7c63679ca21e7ab140fd388385022

    • Size

      12.8MB

    • MD5

      02c7c63679ca21e7ab140fd388385022

    • SHA1

      deab6144715bd278428ab117918d6073ce77df7b

    • SHA256

      29b1353a7508e0203c0e1493bafab229a24ba7b8e2fb09efbfc7fe045b51e2a8

    • SHA512

      c43b712150571ec8c17e359ed6a39bbb2aed0a0b4e346ee8c4d2056f5485d626384ecf3a104aa7ec05b1c8f684b14baf8c936562f8816a65d2ae6e53b169854c

    • SSDEEP

      49152:nvVGWdbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbz:nvV

    • 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