General

  • Target

    JaffaCakes118_a2c53d00cd76b2d17e1166f5476c7007b1dbb64abaaa81aa86d539dd233bab60

  • Size

    289KB

  • Sample

    241224-abvmlswjey

  • MD5

    82845a403854a1f7eb1d89706dd6bde1

  • SHA1

    08d17dabc37b3641d6ab803f5b72a82ba5132947

  • SHA256

    a2c53d00cd76b2d17e1166f5476c7007b1dbb64abaaa81aa86d539dd233bab60

  • SHA512

    dd33440678c7aa7b11126cdf6840033e999c4eb04b7f80d8509fb63e3e1c39df3fde7679ae042367416669649082f33e4cef909d8a21189eee1af01b48053e24

  • SSDEEP

    6144:uJBlewtGLSgZiJqm0kUOE/pAwCdMNfc4FROhxxpeTr/ekI:0lBGPZiMm0kxE/pOzzxp6L

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_a2c53d00cd76b2d17e1166f5476c7007b1dbb64abaaa81aa86d539dd233bab60

    • Size

      289KB

    • MD5

      82845a403854a1f7eb1d89706dd6bde1

    • SHA1

      08d17dabc37b3641d6ab803f5b72a82ba5132947

    • SHA256

      a2c53d00cd76b2d17e1166f5476c7007b1dbb64abaaa81aa86d539dd233bab60

    • SHA512

      dd33440678c7aa7b11126cdf6840033e999c4eb04b7f80d8509fb63e3e1c39df3fde7679ae042367416669649082f33e4cef909d8a21189eee1af01b48053e24

    • SSDEEP

      6144:uJBlewtGLSgZiJqm0kUOE/pAwCdMNfc4FROhxxpeTr/ekI:0lBGPZiMm0kxE/pOzzxp6L

    • 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