General

  • Target

    91ba6a559c13fb63e6e0d77b346d0ab7826a92c399a5e4ce0c06137b10589147.exe

  • Size

    185KB

  • Sample

    241206-3y2cwsvlat

  • MD5

    702a92ee66567914adb65b7148249d1f

  • SHA1

    8fefbb1a949e11480385b0282a2c1c668ce9d353

  • SHA256

    91ba6a559c13fb63e6e0d77b346d0ab7826a92c399a5e4ce0c06137b10589147

  • SHA512

    2959749751c1111f088cdb223a680cb82d5375dbfa4051da75f8d844cbd6a0623c15b17db1c63c4371e952e938538a2b25cfac130b92d4360c69f77fd4016507

  • SSDEEP

    3072:NeYyWAjeKlIYtJCLg2BWGzH6sugkr1fu73Gh5yv8Vmh:EYyWR10Yp0Kkxfs3D8sh

Malware Config

Extracted

Family

tofsee

C2

64.20.54.234

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Targets

    • Target

      91ba6a559c13fb63e6e0d77b346d0ab7826a92c399a5e4ce0c06137b10589147.exe

    • Size

      185KB

    • MD5

      702a92ee66567914adb65b7148249d1f

    • SHA1

      8fefbb1a949e11480385b0282a2c1c668ce9d353

    • SHA256

      91ba6a559c13fb63e6e0d77b346d0ab7826a92c399a5e4ce0c06137b10589147

    • SHA512

      2959749751c1111f088cdb223a680cb82d5375dbfa4051da75f8d844cbd6a0623c15b17db1c63c4371e952e938538a2b25cfac130b92d4360c69f77fd4016507

    • SSDEEP

      3072:NeYyWAjeKlIYtJCLg2BWGzH6sugkr1fu73Gh5yv8Vmh:EYyWR10Yp0Kkxfs3D8sh

    • 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