General

  • Target

    fa4fd90bf7c41e6e04a4eb88dabd22cb_JaffaCakes118

  • Size

    11.5MB

  • Sample

    240419-pvkn3sce89

  • MD5

    fa4fd90bf7c41e6e04a4eb88dabd22cb

  • SHA1

    0eb6d1e0b924dd203f0b8be3a54948a5cb2cb856

  • SHA256

    2f89d2275e7708b9b39b3e554217c81fc9f1312f4a85790450843b28b10fe1b0

  • SHA512

    18e7f39f472d1317500410a213af80a19ddbc29130cda482fc6ef26f7a4607089fc0a65dc551ba65b2b25dc4687a57ee5981fac9839c1715a9ce0259abec1fe1

  • SSDEEP

    98304:svkoooooooooooooooooooooooooooooooooooooooooooooooooooooooooooow:

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fa4fd90bf7c41e6e04a4eb88dabd22cb_JaffaCakes118

    • Size

      11.5MB

    • MD5

      fa4fd90bf7c41e6e04a4eb88dabd22cb

    • SHA1

      0eb6d1e0b924dd203f0b8be3a54948a5cb2cb856

    • SHA256

      2f89d2275e7708b9b39b3e554217c81fc9f1312f4a85790450843b28b10fe1b0

    • SHA512

      18e7f39f472d1317500410a213af80a19ddbc29130cda482fc6ef26f7a4607089fc0a65dc551ba65b2b25dc4687a57ee5981fac9839c1715a9ce0259abec1fe1

    • SSDEEP

      98304:svkoooooooooooooooooooooooooooooooooooooooooooooooooooooooooooow:

    • 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