Overview

overview

10

Static

static

310da667cf...f0.exe

windows7_x64

10

310da667cf...f0.exe

windows10-2004_x64

7

Sharing

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General

  • Target

    310da667cf387ecfe5d24730104fefbd3f9478c786db59c8ee7a39c1265e8af0

  • Size

    170KB

  • Sample

    220220-kng76abgbn

  • MD5

    af1f77eedf16f8a00fa500e0f8dbedbe

  • SHA1

    67b3d0c7013a9ccee08e948a82dde6d0e8b01828

  • SHA256

    310da667cf387ecfe5d24730104fefbd3f9478c786db59c8ee7a39c1265e8af0

  • SHA512

    0fcf486b2acaa0c71e123871cac423feb14c100c6c81d76a3b5ebbe6014d230749e109c583f62ea0287c29b810d957d7544b5b9761f0fa1408e4e775307e5aeb

Score
10/10
ryukpersistenceransomware

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

      310da667cf387ecfe5d24730104fefbd3f9478c786db59c8ee7a39c1265e8af0

    • Size

      170KB

    • MD5

      af1f77eedf16f8a00fa500e0f8dbedbe

    • SHA1

      67b3d0c7013a9ccee08e948a82dde6d0e8b01828

    • SHA256

      310da667cf387ecfe5d24730104fefbd3f9478c786db59c8ee7a39c1265e8af0

    • SHA512

      0fcf486b2acaa0c71e123871cac423feb14c100c6c81d76a3b5ebbe6014d230749e109c583f62ea0287c29b810d957d7544b5b9761f0fa1408e4e775307e5aeb

    Score
    10/10
    ryukpersistenceransomware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks