General

  • Target

    23bc676a012c7fda532cbfc0d41ecd0bdda9b1cdd261e2923a03a7303bc1f33c

  • Size

    150KB

  • Sample

    220220-k92tpacaek

  • MD5

    b490d304dae26ddc3af849ec4a820abd

  • SHA1

    1a66f0ade41ae203217177c1be1cea0017d33aec

  • SHA256

    23bc676a012c7fda532cbfc0d41ecd0bdda9b1cdd261e2923a03a7303bc1f33c

  • SHA512

    6a849674fbc350f4f5ebefb5ee39483b5cdac93e3b81c5b5c098ad6a78bbcaafa27de668a31bb227a91407ea01712776405cb7c8b16fc3633c53a4def088d809

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 JessicaBlackJack@protonmail.com or JessicaBlackJack@tutanota.com BTC wallet: 1FRNVupsCyTjUvF36GxHZrvLaPtY6hgkTm Ryuk No system is safe
Emails

JessicaBlackJack@protonmail.com

JessicaBlackJack@tutanota.com

Wallets

1FRNVupsCyTjUvF36GxHZrvLaPtY6hgkTm

Targets

    • Target

      23bc676a012c7fda532cbfc0d41ecd0bdda9b1cdd261e2923a03a7303bc1f33c

    • Size

      150KB

    • MD5

      b490d304dae26ddc3af849ec4a820abd

    • SHA1

      1a66f0ade41ae203217177c1be1cea0017d33aec

    • SHA256

      23bc676a012c7fda532cbfc0d41ecd0bdda9b1cdd261e2923a03a7303bc1f33c

    • SHA512

      6a849674fbc350f4f5ebefb5ee39483b5cdac93e3b81c5b5c098ad6a78bbcaafa27de668a31bb227a91407ea01712776405cb7c8b16fc3633c53a4def088d809

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Tasks