General

  • Target

    JaffaCakes118_4f9d298e9a7614df6b3d55887d8e0008fabef0b0b55b764ac6bcb781c7d0774b

  • Size

    153KB

  • Sample

    241223-3vbytsvqdv

  • MD5

    f2f1e67436775229aac6ba0b6f3b6c08

  • SHA1

    5a6ada0a661a53feddda818e50627717e072b9ad

  • SHA256

    4f9d298e9a7614df6b3d55887d8e0008fabef0b0b55b764ac6bcb781c7d0774b

  • SHA512

    6c08c15addc42cccf03e30f2fd4c29277430b48771e85d0af6268422ae6080f89e8ab85d6d21378a9a6fea15d9d232d4cd499c4842ff2ec2846457106b608c91

  • SSDEEP

    3072:R1R6lArEn32yLOoX8p/r5HHcN+n02PO10Oyz:R76WU3hau82WtxOc

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_4f9d298e9a7614df6b3d55887d8e0008fabef0b0b55b764ac6bcb781c7d0774b

    • Size

      153KB

    • MD5

      f2f1e67436775229aac6ba0b6f3b6c08

    • SHA1

      5a6ada0a661a53feddda818e50627717e072b9ad

    • SHA256

      4f9d298e9a7614df6b3d55887d8e0008fabef0b0b55b764ac6bcb781c7d0774b

    • SHA512

      6c08c15addc42cccf03e30f2fd4c29277430b48771e85d0af6268422ae6080f89e8ab85d6d21378a9a6fea15d9d232d4cd499c4842ff2ec2846457106b608c91

    • SSDEEP

      3072:R1R6lArEn32yLOoX8p/r5HHcN+n02PO10Oyz:R76WU3hau82WtxOc

    • 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