General

  • Target

    JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e

  • Size

    289KB

  • Sample

    241223-znmvza1kev

  • MD5

    f0b389eddb739dff2910a5fd0ac9e230

  • SHA1

    1f53d0c5cf8d47155288fbb095da8042e3187486

  • SHA256

    8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e

  • SHA512

    a936a339ce4180f330d556eba167f34f415d3fa1526368a142a2bd232e3c73277f810a5d15d23fa2962c52ffcb2a30ee3b4bb4456b8cb579fec9176c7d679cf3

  • SSDEEP

    6144:1OpmAt9iWg1uqJL6BbxOOhxxdeTr/ekI:eji/L6BJzxd6L

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e

    • Size

      289KB

    • MD5

      f0b389eddb739dff2910a5fd0ac9e230

    • SHA1

      1f53d0c5cf8d47155288fbb095da8042e3187486

    • SHA256

      8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e

    • SHA512

      a936a339ce4180f330d556eba167f34f415d3fa1526368a142a2bd232e3c73277f810a5d15d23fa2962c52ffcb2a30ee3b4bb4456b8cb579fec9176c7d679cf3

    • SSDEEP

      6144:1OpmAt9iWg1uqJL6BbxOOhxxdeTr/ekI:eji/L6BJzxd6L

    • 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