General

  • Target

    JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830

  • Size

    335KB

  • Sample

    241230-efl89axmct

  • MD5

    017583b1057e7938a8328077ea6798c9

  • SHA1

    216cf9f3c20d94f1b61963e1a9bfc3bbfbe10148

  • SHA256

    1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830

  • SHA512

    4b18b0cf7c43a66b8c77351ca96b992a89f0f8db0cebb3443cac413933921f44c48540729acbcf52617f901c6e873f368089febaeb0a937f8b4de97384eb1f63

  • SSDEEP

    6144:VAlVbQ7oF8g8oGQtHsdVlZYtLQLyF1nRETd:mlh4oPbjtHsdV7sQLyLyT

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830

    • Size

      335KB

    • MD5

      017583b1057e7938a8328077ea6798c9

    • SHA1

      216cf9f3c20d94f1b61963e1a9bfc3bbfbe10148

    • SHA256

      1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830

    • SHA512

      4b18b0cf7c43a66b8c77351ca96b992a89f0f8db0cebb3443cac413933921f44c48540729acbcf52617f901c6e873f368089febaeb0a937f8b4de97384eb1f63

    • SSDEEP

      6144:VAlVbQ7oF8g8oGQtHsdVlZYtLQLyF1nRETd:mlh4oPbjtHsdV7sQLyLyT

    • 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