General

  • Target

    78f40031a8fef95a5ed472ebc27d8e9c_JaffaCakes118

  • Size

    289KB

  • Sample

    241028-ll13xstlcp

  • MD5

    78f40031a8fef95a5ed472ebc27d8e9c

  • SHA1

    b00f3b3ec3477d5e79a4ce915492ac27a269d54f

  • SHA256

    583db238176dff20ca429038c3d78b942d51bc5487e3a9d82e71e009204155ef

  • SHA512

    42bf43ed0f9984c46f3bf9ce2b6c0a4c7c4d1a46af2b7926132e59c8b124890b13d4138efad6cc6feb9eaacf0a97ab481a4312c9af6e5bc8d1461d750a2d24ad

  • SSDEEP

    6144:Fdp4xu6WtLc1rZqJL6ge9aOOhxxdeTr/ekI:yxMZL6gcwzxd6L

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      78f40031a8fef95a5ed472ebc27d8e9c_JaffaCakes118

    • Size

      289KB

    • MD5

      78f40031a8fef95a5ed472ebc27d8e9c

    • SHA1

      b00f3b3ec3477d5e79a4ce915492ac27a269d54f

    • SHA256

      583db238176dff20ca429038c3d78b942d51bc5487e3a9d82e71e009204155ef

    • SHA512

      42bf43ed0f9984c46f3bf9ce2b6c0a4c7c4d1a46af2b7926132e59c8b124890b13d4138efad6cc6feb9eaacf0a97ab481a4312c9af6e5bc8d1461d750a2d24ad

    • SSDEEP

      6144:Fdp4xu6WtLc1rZqJL6ge9aOOhxxdeTr/ekI:yxMZL6gcwzxd6L

    • 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