General

  • Target

    JaffaCakes118_8d7c8ef6d362692f079bff3f66af4f7fd253660a5b28f68442df12d47bf7a043

  • Size

    286KB

  • Sample

    241225-zl5yrsxjhy

  • MD5

    35222c2852fe3d8ed50c8820b4aa10fb

  • SHA1

    47664e419c4357857bac4257a317c282e36c0009

  • SHA256

    8d7c8ef6d362692f079bff3f66af4f7fd253660a5b28f68442df12d47bf7a043

  • SHA512

    5233c53cfb2aea7450076be4dee889048621a005b39b69330393bb041dc97ad7240e5ce1bc6a7ac6fc0f9d121b2e20765b96d9a57d499233ef8518a98013d92d

  • SSDEEP

    3072:Kkt7EEcdxTVtTjv6z7lKBFRqHXu0ay/McZWKYZYU/Gx9II9PtcLHTbuJt3nnLBbi:K47QPVtTjv4lKb8HhtY0vIAKzinLBw

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_8d7c8ef6d362692f079bff3f66af4f7fd253660a5b28f68442df12d47bf7a043

    • Size

      286KB

    • MD5

      35222c2852fe3d8ed50c8820b4aa10fb

    • SHA1

      47664e419c4357857bac4257a317c282e36c0009

    • SHA256

      8d7c8ef6d362692f079bff3f66af4f7fd253660a5b28f68442df12d47bf7a043

    • SHA512

      5233c53cfb2aea7450076be4dee889048621a005b39b69330393bb041dc97ad7240e5ce1bc6a7ac6fc0f9d121b2e20765b96d9a57d499233ef8518a98013d92d

    • SSDEEP

      3072:Kkt7EEcdxTVtTjv6z7lKBFRqHXu0ay/McZWKYZYU/Gx9II9PtcLHTbuJt3nnLBbi:K47QPVtTjv4lKb8HhtY0vIAKzinLBw

    • 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