General

  • Target

    efdd33d29a37ccda51a133f98616f2c1_JaffaCakes118

  • Size

    13.3MB

  • Sample

    241214-vv9absynfv

  • MD5

    efdd33d29a37ccda51a133f98616f2c1

  • SHA1

    d445a4f5c8fc22bac4bb4f304b96f021c9947152

  • SHA256

    a294da462dcf90513898a1ab59be2626addeb28f9c639b57d5c0d2c1e1b975d9

  • SHA512

    75c111fd39b5df64a131ffad85e60b7c54737a78122007dc78bdf24556a290bffa524f665db8dc2b543982cf4ecf4e97a2d8846906d69f276a3f9075eb485b2a

  • SSDEEP

    49152:P8yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyW:P

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      efdd33d29a37ccda51a133f98616f2c1_JaffaCakes118

    • Size

      13.3MB

    • MD5

      efdd33d29a37ccda51a133f98616f2c1

    • SHA1

      d445a4f5c8fc22bac4bb4f304b96f021c9947152

    • SHA256

      a294da462dcf90513898a1ab59be2626addeb28f9c639b57d5c0d2c1e1b975d9

    • SHA512

      75c111fd39b5df64a131ffad85e60b7c54737a78122007dc78bdf24556a290bffa524f665db8dc2b543982cf4ecf4e97a2d8846906d69f276a3f9075eb485b2a

    • SSDEEP

      49152:P8yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyW:P

    • 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