General

  • Target

    3fa00b58aed423cd52e2236888c40cb7_JaffaCakes118

  • Size

    12.6MB

  • Sample

    241013-nreszsyhql

  • MD5

    3fa00b58aed423cd52e2236888c40cb7

  • SHA1

    0284dc151760cf6bd327ff4eff80b5866128228d

  • SHA256

    0f21412ef78f4e467683b52b8936dbb8214ac36cd867bc6c0b665cf602b8b14b

  • SHA512

    df719c5cde89fd90b7042450720d370a4fd9c251e0ad6bdc69c60a50a9a206df717502728555b9466f5fdaa9a3d18e0f8a65053e121c8143cd03e6b57231b3ce

  • SSDEEP

    24576:ikVGNgVLxm55555555555555555555555555555555555555555555555555555L:/VogVq

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      3fa00b58aed423cd52e2236888c40cb7_JaffaCakes118

    • Size

      12.6MB

    • MD5

      3fa00b58aed423cd52e2236888c40cb7

    • SHA1

      0284dc151760cf6bd327ff4eff80b5866128228d

    • SHA256

      0f21412ef78f4e467683b52b8936dbb8214ac36cd867bc6c0b665cf602b8b14b

    • SHA512

      df719c5cde89fd90b7042450720d370a4fd9c251e0ad6bdc69c60a50a9a206df717502728555b9466f5fdaa9a3d18e0f8a65053e121c8143cd03e6b57231b3ce

    • SSDEEP

      24576:ikVGNgVLxm55555555555555555555555555555555555555555555555555555L:/VogVq

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks