Overview

overview

10

Static

static

53215004ba...9f.exe

windows7_x64

10

53215004ba...9f.exe

windows10-2004_x64

7

Sharing

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General

  • Target

    53215004babd14a61e9ad4c9115fcd7c7d8385e6555bc280d8be163c6aeee39f

  • Size

    170KB

  • Sample

    220220-h6368saac6

  • MD5

    e099b46a11f962688a9f45c0da068045

  • SHA1

    6f525bfb102285515e32345e6f0870f508b55fbe

  • SHA256

    53215004babd14a61e9ad4c9115fcd7c7d8385e6555bc280d8be163c6aeee39f

  • SHA512

    341aaef008e6ee245e7ba1e5c3315b88cf11fe05bce880637cbec2a585c1b2e36408bd0ec6d202b25ecfb1d9d81e13d4826bb5c7fdb401473f9b624f40213bdb

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

      53215004babd14a61e9ad4c9115fcd7c7d8385e6555bc280d8be163c6aeee39f

    • Size

      170KB

    • MD5

      e099b46a11f962688a9f45c0da068045

    • SHA1

      6f525bfb102285515e32345e6f0870f508b55fbe

    • SHA256

      53215004babd14a61e9ad4c9115fcd7c7d8385e6555bc280d8be163c6aeee39f

    • SHA512

      341aaef008e6ee245e7ba1e5c3315b88cf11fe05bce880637cbec2a585c1b2e36408bd0ec6d202b25ecfb1d9d81e13d4826bb5c7fdb401473f9b624f40213bdb

    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