General

  • Target

    f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118

  • Size

    333KB

  • Sample

    240417-hq2y8sgc99

  • MD5

    f53aeee66a0b0dc9cdf6dd537f48287c

  • SHA1

    e7e29654829306c7c1633190833d1fe8fc0c44b5

  • SHA256

    a3eb89c5fe1e820b0ba694c4aeab1351999630b490d988b4dd698753ab8eb7dc

  • SHA512

    6d7a5f77650886803623ae6c3f7aae73a6a4d641b47cbe4707df91d5ed150b55da4a79be0abcdaa4ad2418037579abf966baf451c56eeb41c1a1183916eba04a

  • SSDEEP

    6144:/Q41aFOBM9gLaaxfOcWB4KsjKTzcbbyXoAsy6mOnbe3q:o44FuX+axfOcWKhjKncb+vsTmql

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118

    • Size

      333KB

    • MD5

      f53aeee66a0b0dc9cdf6dd537f48287c

    • SHA1

      e7e29654829306c7c1633190833d1fe8fc0c44b5

    • SHA256

      a3eb89c5fe1e820b0ba694c4aeab1351999630b490d988b4dd698753ab8eb7dc

    • SHA512

      6d7a5f77650886803623ae6c3f7aae73a6a4d641b47cbe4707df91d5ed150b55da4a79be0abcdaa4ad2418037579abf966baf451c56eeb41c1a1183916eba04a

    • SSDEEP

      6144:/Q41aFOBM9gLaaxfOcWB4KsjKTzcbbyXoAsy6mOnbe3q:o44FuX+axfOcWKhjKncb+vsTmql

    • 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