General

  • Target

    JaffaCakes118_551d239fc97916f66f22400de1cd409af3a6d22e4e4413b47d6f56c709acffa0

  • Size

    285KB

  • Sample

    241229-ckkvwaypft

  • MD5

    61f8be3ccdfa263ce084dc04f6aa0437

  • SHA1

    f961423e1a77221b573f79c43c9a521caad6854f

  • SHA256

    551d239fc97916f66f22400de1cd409af3a6d22e4e4413b47d6f56c709acffa0

  • SHA512

    879cf63a785814eb6644c0416bd0f5cf626368a0e2011bd83d6aeb1671dbccf14cdf4645f62db38974d60ef99f56fced8236f9716c0706f1644039539925c90a

  • SSDEEP

    3072:q33Z+4VHtyHf1czTaE1/83RjhJN9O9S20kePH7+QtxQ640P7F1SLDVG7m5:23YMkf1c/L1/8Bj30nKi+77oDVG

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_551d239fc97916f66f22400de1cd409af3a6d22e4e4413b47d6f56c709acffa0

    • Size

      285KB

    • MD5

      61f8be3ccdfa263ce084dc04f6aa0437

    • SHA1

      f961423e1a77221b573f79c43c9a521caad6854f

    • SHA256

      551d239fc97916f66f22400de1cd409af3a6d22e4e4413b47d6f56c709acffa0

    • SHA512

      879cf63a785814eb6644c0416bd0f5cf626368a0e2011bd83d6aeb1671dbccf14cdf4645f62db38974d60ef99f56fced8236f9716c0706f1644039539925c90a

    • SSDEEP

      3072:q33Z+4VHtyHf1czTaE1/83RjhJN9O9S20kePH7+QtxQ640P7F1SLDVG7m5:23YMkf1c/L1/8Bj30nKi+77oDVG

    • 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