Overview

overview

10

Static

static

0x00080000...34.exe

windows7-x64

10

Sharing

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General

  • Target

    0x0008000000022e2c-134.dat

  • Size

    170KB

  • Sample

    220820-l5g46acgd8

  • MD5

    31bd0f224e7e74eee2847f43aae23974

  • SHA1

    92e331e1e8ad30538f38dd7ba31386afafa14a58

  • SHA256

    8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d

  • SHA512

    a13f05a12b084ef425f542ff4be824bbccb5dbdfe085af8b7e19d81a6bcba4b8c1debcc38f6b57bc9265a4db21eed70852ece8cc62b3ef14c47fca3035a55249

  • SSDEEP

    3072:2qeriftL/WSo1vDb53j/8WGUzaqVh4LI8zQpn:2trA/WSo1rl3ALrlHQpn

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

      0x0008000000022e2c-134.dat

    • Size

      170KB

    • MD5

      31bd0f224e7e74eee2847f43aae23974

    • SHA1

      92e331e1e8ad30538f38dd7ba31386afafa14a58

    • SHA256

      8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d

    • SHA512

      a13f05a12b084ef425f542ff4be824bbccb5dbdfe085af8b7e19d81a6bcba4b8c1debcc38f6b57bc9265a4db21eed70852ece8cc62b3ef14c47fca3035a55249

    • SSDEEP

      3072:2qeriftL/WSo1vDb53j/8WGUzaqVh4LI8zQpn:2trA/WSo1rl3ALrlHQpn

    Score
    10/10
    ryukpersistenceransomware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • 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

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Tasks