Overview

overview

10

Static

static

d4422c4f4a...59.exe

windows7_x64

10

d4422c4f4a...59.exe

windows10-2004_x64

7

Sharing

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General

  • Target

    d4422c4f4a26aecad6e754dd172278305bacfa7d5ff285f6a74ed6c610307d59

  • Size

    147KB

  • Sample

    220220-bx4m3sgcgj

  • MD5

    ef372e7d0490bce48f6c11fe9f6c96c2

  • SHA1

    7ad646e6654e982d10c0bd6d9941476064800ebe

  • SHA256

    d4422c4f4a26aecad6e754dd172278305bacfa7d5ff285f6a74ed6c610307d59

  • SHA512

    a9b0b45ddd4089b73897592162c947f6e8e1dbce5ee5548294b3dde7f2b06aa23c8fb10be947282514fdacdc1eabdc252ef7c24c11f5b3d87212c35f49212f36

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 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. More than a year ago, world experts recognized the impossibility of deciphering by any means except the original decoder. No decryption software is available in the public. Antiviruse companies, researchers, IT specialists, and no other persons cant help you encrypt the data. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions.Send 2 different random files and you will get it decrypted. It can be from different computers on your network to be sure that one key decrypts everything. 2 files we unlock for free To get info (decrypt your files) contact us at [email protected] or [email protected] BTC wallet: 1CbP3cgi1Bcjuz6g2Fwvk4tVhqohqAVpDQ Ryuk No system is safe
Wallets

1CbP3cgi1Bcjuz6g2Fwvk4tVhqohqAVpDQ

Targets

    • Target

      d4422c4f4a26aecad6e754dd172278305bacfa7d5ff285f6a74ed6c610307d59

    • Size

      147KB

    • MD5

      ef372e7d0490bce48f6c11fe9f6c96c2

    • SHA1

      7ad646e6654e982d10c0bd6d9941476064800ebe

    • SHA256

      d4422c4f4a26aecad6e754dd172278305bacfa7d5ff285f6a74ed6c610307d59

    • SHA512

      a9b0b45ddd4089b73897592162c947f6e8e1dbce5ee5548294b3dde7f2b06aa23c8fb10be947282514fdacdc1eabdc252ef7c24c11f5b3d87212c35f49212f36

    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