General

  • Target

    f427dd2a74d5dc82ea884b973d2df32b_JaffaCakes118

  • Size

    12.9MB

  • Sample

    240416-x1fw3sbh5x

  • MD5

    f427dd2a74d5dc82ea884b973d2df32b

  • SHA1

    74dbbe53e39aba884a87de297cf6e71fe0a7929a

  • SHA256

    0554a5c223f9ad4748018db751a20f23589c8ed93a5f118941ea6e5a0b794cd1

  • SHA512

    0630e26f057741e8688205d3994c66429804b89aa0d72380e892aecbd275dc8f7d4cf0e2d61eb57855b50aab910208a84b125aa16f76041504e108612cfc934e

  • SSDEEP

    24576:CjDuKnh7YzbKBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBl:Cnh

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f427dd2a74d5dc82ea884b973d2df32b_JaffaCakes118

    • Size

      12.9MB

    • MD5

      f427dd2a74d5dc82ea884b973d2df32b

    • SHA1

      74dbbe53e39aba884a87de297cf6e71fe0a7929a

    • SHA256

      0554a5c223f9ad4748018db751a20f23589c8ed93a5f118941ea6e5a0b794cd1

    • SHA512

      0630e26f057741e8688205d3994c66429804b89aa0d72380e892aecbd275dc8f7d4cf0e2d61eb57855b50aab910208a84b125aa16f76041504e108612cfc934e

    • SSDEEP

      24576:CjDuKnh7YzbKBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBl:Cnh

    • 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