Overview

overview

10

Static

static

56cc8b989a...77.exe

windows7_x64

10

56cc8b989a...77.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    56cc8b989ac43641950fecc73f42f76bdc441bee531ecf3e8c71bf9b4a563177

  • Size

    202KB

  • Sample

    220220-h1hcksbabp

  • MD5

    ab390eb9f4302cb3ecfbf63027e177ca

  • SHA1

    1b84a4c57c6e54a13db6cd49b7e1673b97d02d0f

  • SHA256

    56cc8b989ac43641950fecc73f42f76bdc441bee531ecf3e8c71bf9b4a563177

  • SHA512

    ce7152a2a844a7e2fc7134e5125823ebdcc355191f73d687af282b8f3b3f123a68990e51402d35d6ac6ebf44ac8abe54303cb381b946868316415b8caa1e2d77

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\RyukReadMe.txt

Family

ryuk

Ransom Note
Your network has been penetrated. All files on each network host have been encrypted with a strong algorithm. Backups were encrypted too. Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. Only we have exclusive decryption software, suitable for your situation. More than a year ago, world experts recognized the impossibility of such encryption deciphering by any means except the original decoder. No decryption software is available in the public. Antivirus companies, researchers, IT specialists, and any other persons cannot help you to decipher the data. Decryption takes from ten minutes up to several hours. It is performed automatically and doesn't require from you any actions except decoder launching. DO NOT RESET OR SHUTDOWN SYSTEM � files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions. Send 2 different random files and you will get them back decrypted. It can be from different computers on your network to be sure that one key decrypts everything. We will unlock 2 files for free. To get info (decrypt your files) contact us a [email protected] or [email protected] You will receive btc address for payment in the reply letter Ryuk No system is safe

Targets

    • Target

      56cc8b989ac43641950fecc73f42f76bdc441bee531ecf3e8c71bf9b4a563177

    • Size

      202KB

    • MD5

      ab390eb9f4302cb3ecfbf63027e177ca

    • SHA1

      1b84a4c57c6e54a13db6cd49b7e1673b97d02d0f

    • SHA256

      56cc8b989ac43641950fecc73f42f76bdc441bee531ecf3e8c71bf9b4a563177

    • SHA512

      ce7152a2a844a7e2fc7134e5125823ebdcc355191f73d687af282b8f3b3f123a68990e51402d35d6ac6ebf44ac8abe54303cb381b946868316415b8caa1e2d77

    Score
    10/10
    ryukransomware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Checks computer location settings

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

    • Drops desktop.ini file(s)

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks