General

  • Target

    a0cb05ab32622f45bbd9957e5eb52be2_JaffaCakes118

  • Size

    14.3MB

  • Sample

    240817-cehtbstgrr

  • MD5

    a0cb05ab32622f45bbd9957e5eb52be2

  • SHA1

    1fe92a35cb439eb0f3d17f1a89b5d9a7c600049b

  • SHA256

    077a1737b7a3a1caccbb5adfc25ae2f2b7615c3defdd0153c2831eb5066706fa

  • SHA512

    7c645c72ab06e876c88907db3ea5a92cdeb0161103ed0ffbca4b7894a1be18451ccf368553fdedabecfc05c1c3acd24194629242fdae5f21b2ae94e1dc28c0ff

  • SSDEEP

    393216:K88888888888888888888888888888888888888888888888888888888888888U:

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      a0cb05ab32622f45bbd9957e5eb52be2_JaffaCakes118

    • Size

      14.3MB

    • MD5

      a0cb05ab32622f45bbd9957e5eb52be2

    • SHA1

      1fe92a35cb439eb0f3d17f1a89b5d9a7c600049b

    • SHA256

      077a1737b7a3a1caccbb5adfc25ae2f2b7615c3defdd0153c2831eb5066706fa

    • SHA512

      7c645c72ab06e876c88907db3ea5a92cdeb0161103ed0ffbca4b7894a1be18451ccf368553fdedabecfc05c1c3acd24194629242fdae5f21b2ae94e1dc28c0ff

    • SSDEEP

      393216:K88888888888888888888888888888888888888888888888888888888888888U:

    • 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