General

  • Target

    JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3

  • Size

    238KB

  • Sample

    241224-1jl9bayjhr

  • MD5

    1854bf09896c03053dbc0a9bb214d346

  • SHA1

    7b5744d026e9a5f7965f1ebf3625070c638ea2ef

  • SHA256

    a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3

  • SHA512

    d261cd4150e913e7944df01592b255b021a51ecd2f6054f1db326acdd31b4b85989ae09221509e03977320d44e8f94dd2e05f9c3af48bbc009d93f9e6cde4cc4

  • SSDEEP

    6144:pNeWb3UACOZBOzSc1OItX7ITsq7igavwVf:pN9b37tZBkvnX79

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3

    • Size

      238KB

    • MD5

      1854bf09896c03053dbc0a9bb214d346

    • SHA1

      7b5744d026e9a5f7965f1ebf3625070c638ea2ef

    • SHA256

      a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3

    • SHA512

      d261cd4150e913e7944df01592b255b021a51ecd2f6054f1db326acdd31b4b85989ae09221509e03977320d44e8f94dd2e05f9c3af48bbc009d93f9e6cde4cc4

    • SSDEEP

      6144:pNeWb3UACOZBOzSc1OItX7ITsq7igavwVf:pN9b37tZBkvnX79

    • 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