Overview

overview

10

Static

static

f11c927bbd...8b.exe

windows7_x64

10

f11c927bbd...8b.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    f11c927bbdf1b8c4a2d84d68f25c9acd71fd7406acdc1ee99135904faad54d8b

  • Size

    153KB

  • Sample

    220220-atdrtafghm

  • MD5

    a1dbf564e44044009b39571153566cbe

  • SHA1

    cb432252dc9a9d5c9822fcaf331bce97bcc15b17

  • SHA256

    f11c927bbdf1b8c4a2d84d68f25c9acd71fd7406acdc1ee99135904faad54d8b

  • SHA512

    7887c895b269fdd14ecdd86514d65deb2653a81be2aeea3a01ee2efc48c09c021c56a5d9d899d7a0949804623f4c7ec61b479964da6223ca32d3a9cd03991140

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 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. More than a year ago, world experts recognized the impossibility of deciphering by any means except the original decoder. No decryption software is available in the public. Antiviruse companies, researchers, IT specialists, and no other persons cant help you encrypt the data. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions.Send 2 different random files and you will get it decrypted. It can be from different computers on your network to be sure that one key decrypts everything. 2 files we unlock for free To get info (decrypt your files) contact us at [email protected] or [email protected] BTC wallet: 15LsUgfnuGc1PsHJPcfLQJEnHm2FnGAgYC Ryuk No system is safe
Wallets

15LsUgfnuGc1PsHJPcfLQJEnHm2FnGAgYC

Targets

    • Target

      f11c927bbdf1b8c4a2d84d68f25c9acd71fd7406acdc1ee99135904faad54d8b

    • Size

      153KB

    • MD5

      a1dbf564e44044009b39571153566cbe

    • SHA1

      cb432252dc9a9d5c9822fcaf331bce97bcc15b17

    • SHA256

      f11c927bbdf1b8c4a2d84d68f25c9acd71fd7406acdc1ee99135904faad54d8b

    • SHA512

      7887c895b269fdd14ecdd86514d65deb2653a81be2aeea3a01ee2efc48c09c021c56a5d9d899d7a0949804623f4c7ec61b479964da6223ca32d3a9cd03991140

    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 Enterprise v6

Tasks