1d7647c565c6efb818aff1500104584d926c6fac3be19f56fd6106c17f5e2e9b

General
Target

1d7647c565c6efb818aff1500104584d926c6fac3be19f56fd6106c17f5e2e9b

Size

170KB

Sample

220220-lkwf2sbad8

Score
10 /10
MD5

87f52df87c03ef416af719d3b2210497

SHA1

0f8047b08834f8a229992af67f1f6eb232d65941

SHA256

1d7647c565c6efb818aff1500104584d926c6fac3be19f56fd6106c17f5e2e9b

SHA512

01675e5440d7c32b592eb92b233ba236eab1dd2e72bc19d3054d88c84539a5b80674d67c2c655b9f9a9731ec380ed8c65db5a66af1f449f5f7d3e4e5aa62aa5c

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 WayneEvenson@protonmail.com or WayneEvenson@tutanota.com BTC wallet: 14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk Ryuk No system is safe
Emails

WayneEvenson@protonmail.com

WayneEvenson@tutanota.com

Wallets

14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk

Targets
Target

1d7647c565c6efb818aff1500104584d926c6fac3be19f56fd6106c17f5e2e9b

MD5

87f52df87c03ef416af719d3b2210497

Filesize

170KB

Score
10/10
SHA1

0f8047b08834f8a229992af67f1f6eb232d65941

SHA256

1d7647c565c6efb818aff1500104584d926c6fac3be19f56fd6106c17f5e2e9b

SHA512

01675e5440d7c32b592eb92b233ba236eab1dd2e72bc19d3054d88c84539a5b80674d67c2c655b9f9a9731ec380ed8c65db5a66af1f449f5f7d3e4e5aa62aa5c

Tags

Signatures

  • Ryuk

    Description

    Ransomware distributed via existing botnets, often Trickbot or Emotet.

    Tags

  • Checks computer location settings

    Description

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

    TTPs

    Query RegistrySystem Information Discovery
  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify Registry

Related Tasks

MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
        Execution
          Exfiltration
            Impact
              Initial Access
                Lateral Movement
                  Privilege Escalation
                    Tasks

                    static1

                    behavioral1

                    10/10

                    behavioral2

                    10/10