Overview

overview

10

Static

static

7ac8689ab9...d9.exe

windows7_x64

10

7ac8689ab9...d9.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    7ac8689ab907526b77e6294a8e91280b562046dc674a1a21e7f8e953821bccd9

  • Size

    203KB

  • Sample

    220220-f6esjaabfn

  • MD5

    071ccc24faaf0a8577075b7466293e8c

  • SHA1

    8beed359f92bfc5e14384783526f77049eb2cb9a

  • SHA256

    7ac8689ab907526b77e6294a8e91280b562046dc674a1a21e7f8e953821bccd9

  • SHA512

    454f5db75da3285cc28795078b598b8995d6a3fd586084b68c583029455a437905b5e58451992b3277ff61a1cd3b09a6107d4b94810128a738496137c4a62f90

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\RyukReadMe.txt

Family

ryuk

Ransom Note
Your network has been penetrated. All files on each network host have been encrypted with a strong algorithm. Backups were encrypted too. Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. Only we have exclusive decryption software, suitable for your situation. More than a year ago, world experts recognized the impossibility of such encryption deciphering by any means except the original decoder. No decryption software is available in the public. Antivirus companies, researchers, IT specialists, and any other persons cannot help you to decipher the data. Decryption takes from ten minutes up to several hours. It is performed automatically and doesn't require from you any actions except decoder launching. DO NOT RESET OR SHUTDOWN SYSTEM � files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions. Send 2 different random files and you will get them back decrypted. It can be from different computers on your network to be sure that one key decrypts everything. We will unlock 2 files for free. To get info (decrypt your files) contact us a [email protected] or [email protected] You will receive btc address for payment in the reply letter Ryuk No system is safe

Targets

    • Target

      7ac8689ab907526b77e6294a8e91280b562046dc674a1a21e7f8e953821bccd9

    • Size

      203KB

    • MD5

      071ccc24faaf0a8577075b7466293e8c

    • SHA1

      8beed359f92bfc5e14384783526f77049eb2cb9a

    • SHA256

      7ac8689ab907526b77e6294a8e91280b562046dc674a1a21e7f8e953821bccd9

    • SHA512

      454f5db75da3285cc28795078b598b8995d6a3fd586084b68c583029455a437905b5e58451992b3277ff61a1cd3b09a6107d4b94810128a738496137c4a62f90

    Score
    10/10
    ryukransomware

    • 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.

    • Drops desktop.ini file(s)

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks