General

  • Target

    fcff70f4c751ff498a183843ae379351_JaffaCakes118

  • Size

    10.5MB

  • Sample

    240420-r37vpabd8y

  • MD5

    fcff70f4c751ff498a183843ae379351

  • SHA1

    9178bf92b5b7592633f8a21bd7729b5158e99a44

  • SHA256

    a432105cad3627783fdfab8246f6a09d7d97c796f899dd23af669d46a174a898

  • SHA512

    d3523328c186339249ed273d086b053c6035eb7f7d0deaf67377f8d7e14ff324c6a098360c84be07872a1c8b7ad85029a630f7cb52bfdeeab01e8baa55eebc87

  • SSDEEP

    12288:sc8EvSAInj67ygU57H7zKEVlM++++++++++++++++++++++++++++++++++++++G:s0vSAImHU5

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      fcff70f4c751ff498a183843ae379351_JaffaCakes118

    • Size

      10.5MB

    • MD5

      fcff70f4c751ff498a183843ae379351

    • SHA1

      9178bf92b5b7592633f8a21bd7729b5158e99a44

    • SHA256

      a432105cad3627783fdfab8246f6a09d7d97c796f899dd23af669d46a174a898

    • SHA512

      d3523328c186339249ed273d086b053c6035eb7f7d0deaf67377f8d7e14ff324c6a098360c84be07872a1c8b7ad85029a630f7cb52bfdeeab01e8baa55eebc87

    • SSDEEP

      12288:sc8EvSAInj67ygU57H7zKEVlM++++++++++++++++++++++++++++++++++++++G:s0vSAImHU5

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • 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