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General

  • Target

    2087dcbdd917f0c96f2e4067b4e63d49

  • Size

    13.1MB

  • Sample

    231230-3syd2sfhen

  • MD5

    2087dcbdd917f0c96f2e4067b4e63d49

  • SHA1

    1b39f885512cf99e1f10a51308631a96f982f970

  • SHA256

    7dcf006ee2cc77b93ea32f21abf7cdf57032186f9a5bc5d9d7654179ff6e0170

  • SHA512

    6feba0192685c4c959b0d87c1501c4e7231a7a5bc20fda842fea9248c9a69e530b039cb7da5bed20cae25bd6dadf75a5df46bbf87da6273c72c52eb2f83fb29b

  • SSDEEP

    196608:PXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      2087dcbdd917f0c96f2e4067b4e63d49

    • Size

      13.1MB

    • MD5

      2087dcbdd917f0c96f2e4067b4e63d49

    • SHA1

      1b39f885512cf99e1f10a51308631a96f982f970

    • SHA256

      7dcf006ee2cc77b93ea32f21abf7cdf57032186f9a5bc5d9d7654179ff6e0170

    • SHA512

      6feba0192685c4c959b0d87c1501c4e7231a7a5bc20fda842fea9248c9a69e530b039cb7da5bed20cae25bd6dadf75a5df46bbf87da6273c72c52eb2f83fb29b

    • SSDEEP

      196608:PXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:

    • 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