General

  • Target

    5b73118f049b003bc2ba02bc0946d829_JaffaCakes118

  • Size

    263KB

  • Sample

    241019-h2fv5swann

  • MD5

    5b73118f049b003bc2ba02bc0946d829

  • SHA1

    75a8c8231ca59779f8a6ca3e2fe7d9859be5cf0e

  • SHA256

    b9c281efac7ae522f39d90a8304f29b440cdeae15c1eb53b8b1ede94f9dd19d8

  • SHA512

    2b68aba1d81d4d1764507a2dd1e23fa19f96e768ee03e158b95ca4120f73bfdcd5ac67ead2dacc7524f9d3b7bb12af2d3dbb24469f0b5964fb91706220cb98c8

  • SSDEEP

    6144:tQYgph/0NobY70xfKTm9qOYrWkRALgbWMxC7:t1Kd0NobY70xqm9qOuRNWkC

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      5b73118f049b003bc2ba02bc0946d829_JaffaCakes118

    • Size

      263KB

    • MD5

      5b73118f049b003bc2ba02bc0946d829

    • SHA1

      75a8c8231ca59779f8a6ca3e2fe7d9859be5cf0e

    • SHA256

      b9c281efac7ae522f39d90a8304f29b440cdeae15c1eb53b8b1ede94f9dd19d8

    • SHA512

      2b68aba1d81d4d1764507a2dd1e23fa19f96e768ee03e158b95ca4120f73bfdcd5ac67ead2dacc7524f9d3b7bb12af2d3dbb24469f0b5964fb91706220cb98c8

    • SSDEEP

      6144:tQYgph/0NobY70xfKTm9qOYrWkRALgbWMxC7:t1Kd0NobY70xqm9qOuRNWkC

    • 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