General

  • Target

    JaffaCakes118_f38548a5d6c54e88538aabdfacbde0ee9948aec13f0550ba3f901c72725df0dd

  • Size

    209KB

  • Sample

    241230-bzxmjstlc1

  • MD5

    029139e095eb6c94f87dd5d2b74a8e3b

  • SHA1

    bd944e67580e3519b1c0e7d0978688a8f7a0c6df

  • SHA256

    f38548a5d6c54e88538aabdfacbde0ee9948aec13f0550ba3f901c72725df0dd

  • SHA512

    7de905f79271edc0856e11090901deed59525782df87a8db1af92ddaed58adae3052a3db0185f488543745330adcdf6426552f0051b8cdf8ed9427a26300fdda

  • SSDEEP

    3072:221lByeQXR4HJtywSjmkXRg6kKMdpDbW3KKiBZPwU3fB/tOvZxphgC:221lyyJtywGXRg6RMd5WsB73pOZF

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_f38548a5d6c54e88538aabdfacbde0ee9948aec13f0550ba3f901c72725df0dd

    • Size

      209KB

    • MD5

      029139e095eb6c94f87dd5d2b74a8e3b

    • SHA1

      bd944e67580e3519b1c0e7d0978688a8f7a0c6df

    • SHA256

      f38548a5d6c54e88538aabdfacbde0ee9948aec13f0550ba3f901c72725df0dd

    • SHA512

      7de905f79271edc0856e11090901deed59525782df87a8db1af92ddaed58adae3052a3db0185f488543745330adcdf6426552f0051b8cdf8ed9427a26300fdda

    • SSDEEP

      3072:221lByeQXR4HJtywSjmkXRg6kKMdpDbW3KKiBZPwU3fB/tOvZxphgC:221lyyJtywGXRg6RMd5WsB73pOZF

    • 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