General

  • Target

    JaffaCakes118_40b4f77308772ba74d7e44905d9d0802

  • Size

    14.9MB

  • Sample

    250106-3hc1csvncm

  • MD5

    40b4f77308772ba74d7e44905d9d0802

  • SHA1

    3298eca6413ecb835ebc4b2883aa5a117fa0fb45

  • SHA256

    8a02b485f82fcf55b775350e77c3fc0a1d1bdc514e984342e5da21998c373ae5

  • SHA512

    dc38793f92936c5aabeadbdb63dc4c1019bb1f0c4af51940a986d7c986349ee4429d3f6018efa5877a1adbd9ea068f3dbae2f480c89cc9fb7e5e3b9cff7ff259

  • SSDEEP

    1536:3VZK1I9rn2BHELrWh9iuDdJm7CyY8rhGDNDxTWNdUhUFIq:bK1Mn2BHsrt4mYnrMdUh

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      JaffaCakes118_40b4f77308772ba74d7e44905d9d0802

    • Size

      14.9MB

    • MD5

      40b4f77308772ba74d7e44905d9d0802

    • SHA1

      3298eca6413ecb835ebc4b2883aa5a117fa0fb45

    • SHA256

      8a02b485f82fcf55b775350e77c3fc0a1d1bdc514e984342e5da21998c373ae5

    • SHA512

      dc38793f92936c5aabeadbdb63dc4c1019bb1f0c4af51940a986d7c986349ee4429d3f6018efa5877a1adbd9ea068f3dbae2f480c89cc9fb7e5e3b9cff7ff259

    • SSDEEP

      1536:3VZK1I9rn2BHELrWh9iuDdJm7CyY8rhGDNDxTWNdUhUFIq:bK1Mn2BHsrt4mYnrMdUh

    • 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