General

  • Target

    JaffaCakes118_b541829aa66c437b2a62789d3aca5e86

  • Size

    11.1MB

  • Sample

    250105-wj3h3s1nhz

  • MD5

    b541829aa66c437b2a62789d3aca5e86

  • SHA1

    80f5a87ae6246fdc2794d481d550db3d363e52a7

  • SHA256

    e41c46054bd2c722b8d649b57021da9320cf6d2e19e04186d946af560059a1ad

  • SHA512

    7f49782bbe131565325698a0584324c3e5f282d5182a817b2dabbb87c038639e2809bf58e54795fa6d746fb5247fcb5bd7639f2a3f92841b030447e75caa1279

  • SSDEEP

    12288:izZd0++++++++++++++++++++++++++++++++++++++++++++++++++++++++++G:izZ

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      JaffaCakes118_b541829aa66c437b2a62789d3aca5e86

    • Size

      11.1MB

    • MD5

      b541829aa66c437b2a62789d3aca5e86

    • SHA1

      80f5a87ae6246fdc2794d481d550db3d363e52a7

    • SHA256

      e41c46054bd2c722b8d649b57021da9320cf6d2e19e04186d946af560059a1ad

    • SHA512

      7f49782bbe131565325698a0584324c3e5f282d5182a817b2dabbb87c038639e2809bf58e54795fa6d746fb5247fcb5bd7639f2a3f92841b030447e75caa1279

    • SSDEEP

      12288:izZd0++++++++++++++++++++++++++++++++++++++++++++++++++++++++++G:izZ

    • Tofsee

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

    • Tofsee family

    • 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