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General

  • Target

    b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97

  • Size

    120KB

  • Sample

    221001-zmnqwagcdn

  • MD5

    4dceae07630380b5ed1a94389e1fb9c0

  • SHA1

    2d3bd982d62d7fc62b961f82625682231766856e

  • SHA256

    b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97

  • SHA512

    4fb8b0a3cbeb394453c551e6daece1cf5c1685abf2d6b083d569c4096a3544c228df7bba7acfdec3aae9caa490f04dd78ca08a53cf6a6108f415a0d5a767e254

  • SSDEEP

    1536:mZG0MaQ9u20DPpbuF30kpX9aIJeOX/hZZYF9WqoMurUE/ZZ1rSNJMiGXBe:Nr9u20Tpb+rpAyZZKF9WqJEz1+8dx

Malware Config

Extracted

Family

tofsee

C2

111.121.193.238

103.15.107.117

188.190.114.108

188.165.132.183

213.155.0.208

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Targets

    • Target

      b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97

    • Size

      120KB

    • MD5

      4dceae07630380b5ed1a94389e1fb9c0

    • SHA1

      2d3bd982d62d7fc62b961f82625682231766856e

    • SHA256

      b62bd16f3b2fb0e9d1549dd12114b99bdfd360a8a9719f9b801544113c69bb97

    • SHA512

      4fb8b0a3cbeb394453c551e6daece1cf5c1685abf2d6b083d569c4096a3544c228df7bba7acfdec3aae9caa490f04dd78ca08a53cf6a6108f415a0d5a767e254

    • SSDEEP

      1536:mZG0MaQ9u20DPpbuF30kpX9aIJeOX/hZZYF9WqoMurUE/ZZ1rSNJMiGXBe:Nr9u20Tpb+rpAyZZKF9WqJEz1+8dx

    • Tofsee

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

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks