General

  • Target

    JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1

  • Size

    147KB

  • Sample

    241225-e85ajaylak

  • MD5

    1cb9964c4c9d5334bd59041ba1bd7dba

  • SHA1

    e1b6ca47232a373a9adb737a78f458a9d72fd705

  • SHA256

    22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1

  • SHA512

    a69852196a0be4b972b6a61daf1158988d71838e45a866377312eb65e27ba02fbdcfc1c8d719b718673a5445a1dd80216af0ae1707d78b54fbbabe99e5c2038a

  • SSDEEP

    3072:cFYpcokBEY9+CQTpIJvGkbqfPN3emCcz:cOpcJzIIJ5qf8u

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1

    • Size

      147KB

    • MD5

      1cb9964c4c9d5334bd59041ba1bd7dba

    • SHA1

      e1b6ca47232a373a9adb737a78f458a9d72fd705

    • SHA256

      22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1

    • SHA512

      a69852196a0be4b972b6a61daf1158988d71838e45a866377312eb65e27ba02fbdcfc1c8d719b718673a5445a1dd80216af0ae1707d78b54fbbabe99e5c2038a

    • SSDEEP

      3072:cFYpcokBEY9+CQTpIJvGkbqfPN3emCcz:cOpcJzIIJ5qf8u

    • 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