General

  • Target

    JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e

  • Size

    286KB

  • Sample

    241223-r5lp8ssmhv

  • MD5

    ffa4877224a16ea2832517f4e66a9d4b

  • SHA1

    7e394ecb9588f37c9768ae5ec78ddcdd44ed347f

  • SHA256

    287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e

  • SHA512

    d5eafdd485c674f7cdd602e588a01d684aa02e496a9acfb6901621cfb657118275275001732344586b82928d0b1a007fdc3c8fad9398a11c2c926b321f5d6e19

  • SSDEEP

    3072:OJnOYAZJIWjRvGQRFiF2B9bWU1v+xb20Ay6lw3ba7EnWJrJ7BfSgYu+i41Pc8aS8:OJORZJdWF2PKAv+oEWoA7fSTxi41iSZ

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e

    • Size

      286KB

    • MD5

      ffa4877224a16ea2832517f4e66a9d4b

    • SHA1

      7e394ecb9588f37c9768ae5ec78ddcdd44ed347f

    • SHA256

      287407b527d658532ecf954f94cfe295e99a5f991eeeb0818da246fe0bc1df7e

    • SHA512

      d5eafdd485c674f7cdd602e588a01d684aa02e496a9acfb6901621cfb657118275275001732344586b82928d0b1a007fdc3c8fad9398a11c2c926b321f5d6e19

    • SSDEEP

      3072:OJnOYAZJIWjRvGQRFiF2B9bWU1v+xb20Ay6lw3ba7EnWJrJ7BfSgYu+i41Pc8aS8:OJORZJdWF2PKAv+oEWoA7fSTxi41iSZ

    • 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