General

  • Target

    3012f472969327d5f8c9dac63b8ea9c5cb0de002d16c120a6bba4685120f58b4

  • Size

    171KB

  • Sample

    220220-kpzhtsafe6

  • MD5

    d348f536e214a47655af387408b4fca5

  • SHA1

    13f11e273f9a4a56557f03821c3bfd591cca6ebc

  • SHA256

    3012f472969327d5f8c9dac63b8ea9c5cb0de002d16c120a6bba4685120f58b4

  • SHA512

    ca47ea2acf9d2a14172c9eb640b0a3ad87da24aa071192756f09f138046e61f6ee66004cd938be84fee871b1068418537eb167fc6063a0e1f3d73af00d2b8d8e

Malware Config

Extracted

Path

C:\RyukReadMe.txt

Family

ryuk

Ransom Note
Your network has been penetrated. All files on each host in the network have been encrypted with a strong algorithm. Backups were either encrypted or deleted or backup disks were formatted. Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. We exclusively have decryption software for your situation No decryption software is available in the public. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT RENAME OR MOVE the encrypted and readme files. DO NOT DELETE readme files. This may lead to the impossibility of recovery of the certain files. To get info (decrypt your files) contact us at [email protected] or [email protected] BTC wallet: 14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk Ryuk No system is safe
Wallets

14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk

Targets

    • Target

      3012f472969327d5f8c9dac63b8ea9c5cb0de002d16c120a6bba4685120f58b4

    • Size

      171KB

    • MD5

      d348f536e214a47655af387408b4fca5

    • SHA1

      13f11e273f9a4a56557f03821c3bfd591cca6ebc

    • SHA256

      3012f472969327d5f8c9dac63b8ea9c5cb0de002d16c120a6bba4685120f58b4

    • SHA512

      ca47ea2acf9d2a14172c9eb640b0a3ad87da24aa071192756f09f138046e61f6ee66004cd938be84fee871b1068418537eb167fc6063a0e1f3d73af00d2b8d8e

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks