Overview

overview

10

Static

static

c51024bb11...8e.exe

windows7_x64

10

c51024bb11...8e.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    c51024bb119211c335f95e731cfa9a744fcdb645a57d35fb379d01b7dbdd098e

  • Size

    155KB

  • Sample

    220220-crr8jafga6

  • MD5

    1354ac0d5be0c8d03f4e3aba78d2223e

  • SHA1

    a44a8c8c8f167d455db41316f3616ef5703bffff

  • SHA256

    c51024bb119211c335f95e731cfa9a744fcdb645a57d35fb379d01b7dbdd098e

  • SHA512

    b9b785f3b4640b2cd508e748032c8b85519464d8e36887993bb2e86d92ff72fe8f086a659b0b5e5ef0561db146573aa3beb7bb929fc85d3635531c3d981eaa60

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: 1CN2iQbBikFK9jM34Nb3WLx5DCenQLnbXp Ryuk
Wallets

1CN2iQbBikFK9jM34Nb3WLx5DCenQLnbXp

Targets

    • Target

      c51024bb119211c335f95e731cfa9a744fcdb645a57d35fb379d01b7dbdd098e

    • Size

      155KB

    • MD5

      1354ac0d5be0c8d03f4e3aba78d2223e

    • SHA1

      a44a8c8c8f167d455db41316f3616ef5703bffff

    • SHA256

      c51024bb119211c335f95e731cfa9a744fcdb645a57d35fb379d01b7dbdd098e

    • SHA512

      b9b785f3b4640b2cd508e748032c8b85519464d8e36887993bb2e86d92ff72fe8f086a659b0b5e5ef0561db146573aa3beb7bb929fc85d3635531c3d981eaa60

    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

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks