General

  • Target

    JaffaCakes118_aa595fa7f60b53a2a70057948eb964a75860cda95e8d1f7132fc08acf80ae25b

  • Size

    340KB

  • Sample

    241225-ytmlqavrex

  • MD5

    4fc5de69bdd1bbb7df7d71f154fce436

  • SHA1

    893d9b742a2291bf75808035751b34bbc435fe7c

  • SHA256

    aa595fa7f60b53a2a70057948eb964a75860cda95e8d1f7132fc08acf80ae25b

  • SHA512

    976ec301d00d28a47634ef7b1c133fb287dd1f27d575b5f60eee84cb66273cb60177f454ea7c00d64092f13abe21b2fbee9861ce01e2553bbd36ce58ee086b5c

  • SSDEEP

    6144:MS2WA8SG69ck1We5RgrvQl2MWA+3LzKeiT:MS2WARGWL1B5RgrvQl2v/KhT

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_aa595fa7f60b53a2a70057948eb964a75860cda95e8d1f7132fc08acf80ae25b

    • Size

      340KB

    • MD5

      4fc5de69bdd1bbb7df7d71f154fce436

    • SHA1

      893d9b742a2291bf75808035751b34bbc435fe7c

    • SHA256

      aa595fa7f60b53a2a70057948eb964a75860cda95e8d1f7132fc08acf80ae25b

    • SHA512

      976ec301d00d28a47634ef7b1c133fb287dd1f27d575b5f60eee84cb66273cb60177f454ea7c00d64092f13abe21b2fbee9861ce01e2553bbd36ce58ee086b5c

    • SSDEEP

      6144:MS2WA8SG69ck1We5RgrvQl2MWA+3LzKeiT:MS2WARGWL1B5RgrvQl2v/KhT

    • Tofsee

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

    • Tofsee family

    • 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