General

  • Target

    fb265b878143e9f87f425a597ac71de1_JaffaCakes118

  • Size

    13.1MB

  • Sample

    240419-zqsh8sfd22

  • MD5

    fb265b878143e9f87f425a597ac71de1

  • SHA1

    cb8a63893cab43fe38fba224ff7575e765748844

  • SHA256

    5aca11b0e24e2d274f8e7b60a55859d0429a127cb02c1bb9024f0a53487b5e2e

  • SHA512

    aac9299c75d64052d6abfc45c0b8e97c0871d1f594f392866e7212225b3000416ad6d8b639d0e70cbd500bdcc6c83359230aefed7b29f1e36038f3da57d9b41d

  • SSDEEP

    12288:mBgw6aInPRfmCzFT+PUvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvn:Xw6tHRT+P

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      fb265b878143e9f87f425a597ac71de1_JaffaCakes118

    • Size

      13.1MB

    • MD5

      fb265b878143e9f87f425a597ac71de1

    • SHA1

      cb8a63893cab43fe38fba224ff7575e765748844

    • SHA256

      5aca11b0e24e2d274f8e7b60a55859d0429a127cb02c1bb9024f0a53487b5e2e

    • SHA512

      aac9299c75d64052d6abfc45c0b8e97c0871d1f594f392866e7212225b3000416ad6d8b639d0e70cbd500bdcc6c83359230aefed7b29f1e36038f3da57d9b41d

    • SSDEEP

      12288:mBgw6aInPRfmCzFT+PUvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvn:Xw6tHRT+P

    • 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