General

  • Target

    JaffaCakes118_535f97a8b48d7069ba2f6c3441003bd9

  • Size

    189KB

  • Sample

    250129-ggr71avrbq

  • MD5

    535f97a8b48d7069ba2f6c3441003bd9

  • SHA1

    d84624a83e75632a06f4535370b98c56f1d6fa97

  • SHA256

    81c12f73122dd4e43b598c5f839f085044192e103281cda5cc8e3b64f4e741eb

  • SHA512

    502de5f254cb0e0e3f4e546116074c446cf63d7e82f0d447be53207896c3a3731065d68fc9b024dea7876edcb72abb6cad29d828352af036f6869e9bbf1ebc22

  • SSDEEP

    3072:8YI7L+itrYNhtaeMqfGkR+nWSmOhqdYCPd6GFbK+YGa3yU:eGtckR+nWSmOhqdYCPd6GFbK+YGa3yU

Malware Config

Extracted

Family

tofsee

C2

91.121.4.118

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Targets

    • Target

      JaffaCakes118_535f97a8b48d7069ba2f6c3441003bd9

    • Size

      189KB

    • MD5

      535f97a8b48d7069ba2f6c3441003bd9

    • SHA1

      d84624a83e75632a06f4535370b98c56f1d6fa97

    • SHA256

      81c12f73122dd4e43b598c5f839f085044192e103281cda5cc8e3b64f4e741eb

    • SHA512

      502de5f254cb0e0e3f4e546116074c446cf63d7e82f0d447be53207896c3a3731065d68fc9b024dea7876edcb72abb6cad29d828352af036f6869e9bbf1ebc22

    • SSDEEP

      3072:8YI7L+itrYNhtaeMqfGkR+nWSmOhqdYCPd6GFbK+YGa3yU:eGtckR+nWSmOhqdYCPd6GFbK+YGa3yU

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks