General

  • Target

    JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb

  • Size

    271KB

  • Sample

    241222-nagk9awjgs

  • MD5

    3f65dae6305ca843e7b9b7df2f74d838

  • SHA1

    2c44df4d74900d500dcf9835f6c80ff84d268a37

  • SHA256

    fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb

  • SHA512

    93d1cd17ec557a46c3ac6b32a08d24ec1c8dd26ad3c5e2fbe7c4a9c7ce7d2ce568913844d18f950d89a05b22ff76b528ae672b5fbcee8e35da41eb49cde43971

  • SSDEEP

    6144:DgfpPeqotkXALxePgCA0+A3Ii4b6gvlVUgJ:kXotkXALQvAi94+g7/

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb

    • Size

      271KB

    • MD5

      3f65dae6305ca843e7b9b7df2f74d838

    • SHA1

      2c44df4d74900d500dcf9835f6c80ff84d268a37

    • SHA256

      fe8ee365ed1f5cae302130b5fd5b3e069f91a1d10c94d53cdf5dd6c1db266afb

    • SHA512

      93d1cd17ec557a46c3ac6b32a08d24ec1c8dd26ad3c5e2fbe7c4a9c7ce7d2ce568913844d18f950d89a05b22ff76b528ae672b5fbcee8e35da41eb49cde43971

    • SSDEEP

      6144:DgfpPeqotkXALxePgCA0+A3Ii4b6gvlVUgJ:kXotkXALQvAi94+g7/

    • 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