General

  • Target

    a3a63be8d8c5c049e131a86615f76b83_JaffaCakes118

  • Size

    120KB

  • Sample

    240613-dtwt6swdkn

  • MD5

    a3a63be8d8c5c049e131a86615f76b83

  • SHA1

    a1afb302b1a0a3bba5a010478c8d73fdc6c6855f

  • SHA256

    ee30f2371e37ce15b20f916a9f03d2562aa98a0dbb44ad3105c3b0f0de05dcf9

  • SHA512

    51d5c50505b6008f3e3e1459e81f3cc4914b1c4e1c771637420974a939731e83c1d68eae1bae50b0b8446cb28d6aac79ca6c253c231662b763c0a15079229beb

  • SSDEEP

    3072:J1m2XC9sVo1/Phtf4U2qJjULtTNupQyEC6pxhhfm5OcV:TMRItTNKr2f45

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      a3a63be8d8c5c049e131a86615f76b83_JaffaCakes118

    • Size

      120KB

    • MD5

      a3a63be8d8c5c049e131a86615f76b83

    • SHA1

      a1afb302b1a0a3bba5a010478c8d73fdc6c6855f

    • SHA256

      ee30f2371e37ce15b20f916a9f03d2562aa98a0dbb44ad3105c3b0f0de05dcf9

    • SHA512

      51d5c50505b6008f3e3e1459e81f3cc4914b1c4e1c771637420974a939731e83c1d68eae1bae50b0b8446cb28d6aac79ca6c253c231662b763c0a15079229beb

    • SSDEEP

      3072:J1m2XC9sVo1/Phtf4U2qJjULtTNupQyEC6pxhhfm5OcV:TMRItTNKr2f45

    • 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