General

  • Target

    fbb4d43f90d6c4e44bc3d66bb4e00a7f_JaffaCakes118

  • Size

    10.3MB

  • Sample

    240420-cqhbyaeg7s

  • MD5

    fbb4d43f90d6c4e44bc3d66bb4e00a7f

  • SHA1

    71333f6fac993d9c6f1d7c853beffb364f0a5aaa

  • SHA256

    5bc56bbb39fc526c456c171afcfd0f0861418f6acb277fd9304bf01023c9d40d

  • SHA512

    59152fa21df817423fba2bf3a635f7228bcdd0ae88bbef766a3523e3609304ea86b4192637ed9f0a58b8a0211c918b3768628ac150aebafb7567f321137cb51f

  • SSDEEP

    6144:UDLhwY9FPsMFYUaPWIXDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD/:WWSFPsycP

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fbb4d43f90d6c4e44bc3d66bb4e00a7f_JaffaCakes118

    • Size

      10.3MB

    • MD5

      fbb4d43f90d6c4e44bc3d66bb4e00a7f

    • SHA1

      71333f6fac993d9c6f1d7c853beffb364f0a5aaa

    • SHA256

      5bc56bbb39fc526c456c171afcfd0f0861418f6acb277fd9304bf01023c9d40d

    • SHA512

      59152fa21df817423fba2bf3a635f7228bcdd0ae88bbef766a3523e3609304ea86b4192637ed9f0a58b8a0211c918b3768628ac150aebafb7567f321137cb51f

    • SSDEEP

      6144:UDLhwY9FPsMFYUaPWIXDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD/:WWSFPsycP

    • 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