Overview

overview

10

Static

static

f130530949...le.exe

windows11_x64

10

Sharing

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General

  • Target

    f130530949c0e3adca48ba558980b634c0a78c8faa5572718b665cc7abfd7703.bin.sample

  • Size

    170KB

  • Sample

    211020-kmhsasgge4

  • MD5

    1bd7d1b87c5091a9653fe8005892b784

  • SHA1

    3dcf19b833266a3591fd97c93e5b9bca4ac2c21c

  • SHA256

    f130530949c0e3adca48ba558980b634c0a78c8faa5572718b665cc7abfd7703

  • SHA512

    4c13373a150b1e3bd12fdd9ad5c379a43e41c59ba5b6dd6982c79599839128bcbde30d7083a810d66604382f4d5aff24c22b504fdaab03f6743a7dc263d85651

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

      f130530949c0e3adca48ba558980b634c0a78c8faa5572718b665cc7abfd7703.bin.sample

    • Size

      170KB

    • MD5

      1bd7d1b87c5091a9653fe8005892b784

    • SHA1

      3dcf19b833266a3591fd97c93e5b9bca4ac2c21c

    • SHA256

      f130530949c0e3adca48ba558980b634c0a78c8faa5572718b665cc7abfd7703

    • SHA512

      4c13373a150b1e3bd12fdd9ad5c379a43e41c59ba5b6dd6982c79599839128bcbde30d7083a810d66604382f4d5aff24c22b504fdaab03f6743a7dc263d85651

    Score
    10/10
    ryukpersistenceransomware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Drops startup file

    • Adds Run key to start application

      persistence
    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Tasks