Overview

overview

10

Static

static

therapeutic-rule.exe

windows7_x64

10

therapeutic-rule.exe

windows10_x64

6

Resubmissions

25-08-2021 09:56

210825-v7gpzzrw7s 10

27-04-2021 14:41

210427-hta8ys4aka 10

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General

  • Target

    therapeutic-rule

  • Size

    170KB

  • Sample

    210825-v7gpzzrw7s

  • MD5

    fc080fae536e8801a2f3400804f2734b

  • SHA1

    0d79a4ebbc04b7abc268b76068335e0dd581abb4

  • SHA256

    8a33e2792e0d41c6b99a1203187f650fa16a7a0c187938457bc526526f13b5c2

  • SHA512

    0fc4740cd0601d2b382625a940e3d68479fca6fefefd5421b7c72a9739d0ee3676c3278866a7eb1aec49dc3102ea712fa40f11fcb33f5e7b4c784d3ae14ccd01

Score
10/10
ryukpersistenceransomwarespywarestealer

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

      therapeutic-rule

    • Size

      170KB

    • MD5

      fc080fae536e8801a2f3400804f2734b

    • SHA1

      0d79a4ebbc04b7abc268b76068335e0dd581abb4

    • SHA256

      8a33e2792e0d41c6b99a1203187f650fa16a7a0c187938457bc526526f13b5c2

    • SHA512

      0fc4740cd0601d2b382625a940e3d68479fca6fefefd5421b7c72a9739d0ee3676c3278866a7eb1aec49dc3102ea712fa40f11fcb33f5e7b4c784d3ae14ccd01

    Score
    10/10
    ryukpersistenceransomwarespywarestealer

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

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

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Tasks