General

  • Target

    89c8198769b0b5932ad66bf1279a9b95_JaffaCakes118

  • Size

    12.8MB

  • Sample

    240811-k2h2lsxcna

  • MD5

    89c8198769b0b5932ad66bf1279a9b95

  • SHA1

    f5b59ce56f95c144f87a86e2f79bc7023e0cf15b

  • SHA256

    3e5e9466430b92d06e0b5f1a7f70481f135003fcc5f620ec8e894c11884fe261

  • SHA512

    5d49fa5d9813ffc895c2789c73154cca7ac2c0bc17666dc4b1dfb97ee2299af9051bef605f40f5f89324fd44e8b5744ed84cd805221ff0dcb8eacc5eb2a367fd

  • SSDEEP

    6144:oVLzTNrHtNo3azgzs1anrC+ekTXiRpYjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj:oVL3NrTo3bjLTM

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      89c8198769b0b5932ad66bf1279a9b95_JaffaCakes118

    • Size

      12.8MB

    • MD5

      89c8198769b0b5932ad66bf1279a9b95

    • SHA1

      f5b59ce56f95c144f87a86e2f79bc7023e0cf15b

    • SHA256

      3e5e9466430b92d06e0b5f1a7f70481f135003fcc5f620ec8e894c11884fe261

    • SHA512

      5d49fa5d9813ffc895c2789c73154cca7ac2c0bc17666dc4b1dfb97ee2299af9051bef605f40f5f89324fd44e8b5744ed84cd805221ff0dcb8eacc5eb2a367fd

    • SSDEEP

      6144:oVLzTNrHtNo3azgzs1anrC+ekTXiRpYjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj:oVL3NrTo3bjLTM

    • 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