Overview

overview

10

Static

static

667e879d7e...da.exe

windows7_x64

10

667e879d7e...da.exe

windows10-2004_x64

7

Sharing

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General

  • Target

    667e879d7eece2bfbf417698003ddf3b6e2050f7b0e92afd465410012fed03da

  • Size

    170KB

  • Sample

    220220-g7aqmsafcl

  • MD5

    24e7a4dbcd8dffad8f496711130b2b0a

  • SHA1

    0bcc331696e3082bd4743ed335e253b4b40536ba

  • SHA256

    667e879d7eece2bfbf417698003ddf3b6e2050f7b0e92afd465410012fed03da

  • SHA512

    6498e2e85b45a724e1c389ac5cf9388bfa0e784e436fe81ad6f04d3643584f63c020b8c50d20ad118ff2fd98cfa8136fa0a6e5b6da8b870f1968055688918685

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 [email protected] or [email protected] BTC wallet: 14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk Ryuk No system is safe
Wallets

14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk

Targets

    • Target

      667e879d7eece2bfbf417698003ddf3b6e2050f7b0e92afd465410012fed03da

    • Size

      170KB

    • MD5

      24e7a4dbcd8dffad8f496711130b2b0a

    • SHA1

      0bcc331696e3082bd4743ed335e253b4b40536ba

    • SHA256

      667e879d7eece2bfbf417698003ddf3b6e2050f7b0e92afd465410012fed03da

    • SHA512

      6498e2e85b45a724e1c389ac5cf9388bfa0e784e436fe81ad6f04d3643584f63c020b8c50d20ad118ff2fd98cfa8136fa0a6e5b6da8b870f1968055688918685

    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