General

  • Target

    JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a

  • Size

    286KB

  • Sample

    241223-s9adfatncs

  • MD5

    1d87d89e5cae2758142307159dbf0143

  • SHA1

    95b7ae740629243758df38329095fda6ddc1b177

  • SHA256

    b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a

  • SHA512

    7c255ec726cbd512beb7e782da4a6e420f73f73040df5b73120d394f43b9672e9ddfdc7fb4ac6cb870beeca2283d21db4cc51ee04b5634452454eda2689dbe03

  • SSDEEP

    6144:WYsfbwgLpgn+TfdkHXV8fskJjWwSzpOe:WTDwgpjLdaFcSd9

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a

    • Size

      286KB

    • MD5

      1d87d89e5cae2758142307159dbf0143

    • SHA1

      95b7ae740629243758df38329095fda6ddc1b177

    • SHA256

      b08c626eb4a8d2f29559aa943d14dc3c966e1917132a45cbcba9012e42550a2a

    • SHA512

      7c255ec726cbd512beb7e782da4a6e420f73f73040df5b73120d394f43b9672e9ddfdc7fb4ac6cb870beeca2283d21db4cc51ee04b5634452454eda2689dbe03

    • SSDEEP

      6144:WYsfbwgLpgn+TfdkHXV8fskJjWwSzpOe:WTDwgpjLdaFcSd9

    • 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