Overview

overview

10

Static

static

47618ca960...42.exe

windows7_x64

10

47618ca960...42.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    47618ca96047204dadb4207f4c7f304687ae4164a13d54e2f9805279e58b1642

  • Size

    170KB

  • Sample

    220220-jmym3saca7

  • MD5

    552ad0a68c4a1fe2ff797269dd0a577c

  • SHA1

    bd88287ed069606d736603432099a687dd556942

  • SHA256

    47618ca96047204dadb4207f4c7f304687ae4164a13d54e2f9805279e58b1642

  • SHA512

    7e064b91d5cb4fa0c66d5ab8d4df936580faa42fe9e477e51b8f341d7e37c0c0465de9700a6f8b0b22ea05c556a62d6c572f58fdead790be05fbdf97a92827c0

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

      47618ca96047204dadb4207f4c7f304687ae4164a13d54e2f9805279e58b1642

    • Size

      170KB

    • MD5

      552ad0a68c4a1fe2ff797269dd0a577c

    • SHA1

      bd88287ed069606d736603432099a687dd556942

    • SHA256

      47618ca96047204dadb4207f4c7f304687ae4164a13d54e2f9805279e58b1642

    • SHA512

      7e064b91d5cb4fa0c66d5ab8d4df936580faa42fe9e477e51b8f341d7e37c0c0465de9700a6f8b0b22ea05c556a62d6c572f58fdead790be05fbdf97a92827c0

    Score
    10/10
    ryukpersistenceransomware

    • 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.

    • 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