General

  • Target

    JaffaCakes118_f4b79a481b4b93b8ec807688718d4ef72427eb9fa810e549b2b29b55feaf482a

  • Size

    241KB

  • Sample

    241230-ejj83axnbr

  • MD5

    8866c6b22acbba4ab641339d23bdc9f3

  • SHA1

    8ac8ce69741105015d7810e5e0a59cad7316fc77

  • SHA256

    f4b79a481b4b93b8ec807688718d4ef72427eb9fa810e549b2b29b55feaf482a

  • SHA512

    029dca3423be718485ad36cab810e66ba7ae4294d63c4740e4187c3d458206cf08d344460684518b06351f31ceed64c35e6dfa76ff63b04631989631ab1569dc

  • SSDEEP

    3072:EQKPNMYekPTg1n87zaHWgODOwF0H2UyorPePEO/6AlXUH1v5hu5xspXrk:KPqic1n0WHgDORLkE87EVvP0xs

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_f4b79a481b4b93b8ec807688718d4ef72427eb9fa810e549b2b29b55feaf482a

    • Size

      241KB

    • MD5

      8866c6b22acbba4ab641339d23bdc9f3

    • SHA1

      8ac8ce69741105015d7810e5e0a59cad7316fc77

    • SHA256

      f4b79a481b4b93b8ec807688718d4ef72427eb9fa810e549b2b29b55feaf482a

    • SHA512

      029dca3423be718485ad36cab810e66ba7ae4294d63c4740e4187c3d458206cf08d344460684518b06351f31ceed64c35e6dfa76ff63b04631989631ab1569dc

    • SSDEEP

      3072:EQKPNMYekPTg1n87zaHWgODOwF0H2UyorPePEO/6AlXUH1v5hu5xspXrk:KPqic1n0WHgDORLkE87EVvP0xs

    • 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