General

  • Target

    JaffaCakes118_8fdfff633ead54bc00629d8fe23693b7d7b6f888a3142351a27d2e8f2720d41b

  • Size

    306KB

  • Sample

    241229-nme8yszrdv

  • MD5

    893de434c901ce75a2967c8a55c51754

  • SHA1

    eda71f67e843aac6fa4d9328ad4c75cb7515b91b

  • SHA256

    8fdfff633ead54bc00629d8fe23693b7d7b6f888a3142351a27d2e8f2720d41b

  • SHA512

    9a7b7746aa1b377f5e5314344ddc8c0ff827c5f37fe0f99df55da078f965e68d4099db959097fa7ce456176be496b749d8fce42df847fa95e0c5f7f927db4c54

  • SSDEEP

    6144:j7j7AupjIIwH5OalEVFvlmfDR2Cnsx2qPu:D0upjIIe5EVOfD9M2

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_8fdfff633ead54bc00629d8fe23693b7d7b6f888a3142351a27d2e8f2720d41b

    • Size

      306KB

    • MD5

      893de434c901ce75a2967c8a55c51754

    • SHA1

      eda71f67e843aac6fa4d9328ad4c75cb7515b91b

    • SHA256

      8fdfff633ead54bc00629d8fe23693b7d7b6f888a3142351a27d2e8f2720d41b

    • SHA512

      9a7b7746aa1b377f5e5314344ddc8c0ff827c5f37fe0f99df55da078f965e68d4099db959097fa7ce456176be496b749d8fce42df847fa95e0c5f7f927db4c54

    • SSDEEP

      6144:j7j7AupjIIwH5OalEVFvlmfDR2Cnsx2qPu:D0upjIIe5EVOfD9M2

    • 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