General

  • Target

    7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118

  • Size

    239KB

  • Sample

    241028-tlb3sstclk

  • MD5

    7a5c5be60e0b6cf8fdc5d487a56cc60b

  • SHA1

    bbc32678132d14ae7453c2617f399136123f3dcb

  • SHA256

    77cc13b69823c588274c5c567081f0d0cc02aca078dc0ad0040eee5ec9385395

  • SHA512

    e72d45cc7660f44e3ca931edb475a60700d653f87b3a33f81f12d16a14c6697b5cf1b1b3462471197c91927bdd8e28649d7eaaeffb3957b4fb76f705710cd559

  • SSDEEP

    3072:1NoWIXVg044YmyJc/rY/2Woct6Mz+7L00vyLf9nQLWLIMcesvKeHTQzIaH/q99Q4:1NoWwy0jYBkE/vocLz+2QSLIBee8q9N

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      7a5c5be60e0b6cf8fdc5d487a56cc60b_JaffaCakes118

    • Size

      239KB

    • MD5

      7a5c5be60e0b6cf8fdc5d487a56cc60b

    • SHA1

      bbc32678132d14ae7453c2617f399136123f3dcb

    • SHA256

      77cc13b69823c588274c5c567081f0d0cc02aca078dc0ad0040eee5ec9385395

    • SHA512

      e72d45cc7660f44e3ca931edb475a60700d653f87b3a33f81f12d16a14c6697b5cf1b1b3462471197c91927bdd8e28649d7eaaeffb3957b4fb76f705710cd559

    • SSDEEP

      3072:1NoWIXVg044YmyJc/rY/2Woct6Mz+7L00vyLf9nQLWLIMcesvKeHTQzIaH/q99Q4:1NoWwy0jYBkE/vocLz+2QSLIBee8q9N

    • 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