Overview

overview

10

Static

static

5cafcad96e...71.exe

windows7_x64

10

5cafcad96e...71.exe

windows10-2004_x64

7

Sharing

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General

  • Target

    5cafcad96e19beddbb93716bdcf3b79cc83919bf556c7698dc5be2d0ed68cf71

  • Size

    150KB

  • Sample

    220220-hm713shge4

  • MD5

    f763a2291bcb03be0e64bb3cd34b8424

  • SHA1

    ce182b871f86dd2a54143288c559e9baa3e16b5c

  • SHA256

    5cafcad96e19beddbb93716bdcf3b79cc83919bf556c7698dc5be2d0ed68cf71

  • SHA512

    77850884db6a62e04f7eb0857ce16eefbe94dddd1451a8ad53a9a4bd3333e29aa1cb65e61550ab5517038fde928803246b8185b853cf1f62c462c55eaf71f647

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: 12N7W9ycLhuck9Q2wT8E6BaN6XzZ4DMLau Ryuk No system is safe
Wallets

12N7W9ycLhuck9Q2wT8E6BaN6XzZ4DMLau

Targets

    • Target

      5cafcad96e19beddbb93716bdcf3b79cc83919bf556c7698dc5be2d0ed68cf71

    • Size

      150KB

    • MD5

      f763a2291bcb03be0e64bb3cd34b8424

    • SHA1

      ce182b871f86dd2a54143288c559e9baa3e16b5c

    • SHA256

      5cafcad96e19beddbb93716bdcf3b79cc83919bf556c7698dc5be2d0ed68cf71

    • SHA512

      77850884db6a62e04f7eb0857ce16eefbe94dddd1451a8ad53a9a4bd3333e29aa1cb65e61550ab5517038fde928803246b8185b853cf1f62c462c55eaf71f647

    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