General

  • Target

    JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1

  • Size

    13.3MB

  • Sample

    250106-qzz51azpcm

  • MD5

    26e137a7637690dc59d8e8a2d021faa1

  • SHA1

    c886d75827062fb557ffaee27523f99ea757a9ed

  • SHA256

    1822fa2ba4aefbb104ff7ccc5cda7f369a25cf016a1a3eca55c16bde2ceb4b94

  • SHA512

    9f0efed008a315698a4a1b7127ad4d5d1e4d370c4299391478fff22f37bbb44df2d5d8d768e87c1a58cf9bcdd41d8218b4032eb9de4ae82ed7f6165676d22cb6

  • SSDEEP

    24576:pAWcGx111111111111111111111111111111111111111111111111111111111/:pHH

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_26e137a7637690dc59d8e8a2d021faa1

    • Size

      13.3MB

    • MD5

      26e137a7637690dc59d8e8a2d021faa1

    • SHA1

      c886d75827062fb557ffaee27523f99ea757a9ed

    • SHA256

      1822fa2ba4aefbb104ff7ccc5cda7f369a25cf016a1a3eca55c16bde2ceb4b94

    • SHA512

      9f0efed008a315698a4a1b7127ad4d5d1e4d370c4299391478fff22f37bbb44df2d5d8d768e87c1a58cf9bcdd41d8218b4032eb9de4ae82ed7f6165676d22cb6

    • SSDEEP

      24576:pAWcGx111111111111111111111111111111111111111111111111111111111/:pHH

    • 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