General

  • Target

    JaffaCakes118_753ec892deb630e1b540058617837fdfaeabdae4078bc0917c055a805d4752e7

  • Size

    279KB

  • Sample

    241227-achdnswkfj

  • MD5

    295cc2519a6559471017d7cfa7963906

  • SHA1

    48d5984d57e5efa254fe2557488274f3845874bf

  • SHA256

    753ec892deb630e1b540058617837fdfaeabdae4078bc0917c055a805d4752e7

  • SHA512

    eeffc54acd8c1a38b8401b111829259de886fcf42da365612453a1b2a14943712a73298663e9d864df2260e805c22bdbcaf05082c1deaec917ea22b1f3d7970d

  • SSDEEP

    6144:2ExHiDcpQKTyzmBosTPI3K3XROhxxpeTr/ekIw:ZHiIpQFmi2Yzxp6L

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_753ec892deb630e1b540058617837fdfaeabdae4078bc0917c055a805d4752e7

    • Size

      279KB

    • MD5

      295cc2519a6559471017d7cfa7963906

    • SHA1

      48d5984d57e5efa254fe2557488274f3845874bf

    • SHA256

      753ec892deb630e1b540058617837fdfaeabdae4078bc0917c055a805d4752e7

    • SHA512

      eeffc54acd8c1a38b8401b111829259de886fcf42da365612453a1b2a14943712a73298663e9d864df2260e805c22bdbcaf05082c1deaec917ea22b1f3d7970d

    • SSDEEP

      6144:2ExHiDcpQKTyzmBosTPI3K3XROhxxpeTr/ekIw:ZHiIpQFmi2Yzxp6L

    • 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