General

  • Target

    5d92914acdfb551c237866cc4cce6c80aeeeb695e52beecd2613694302c62271

  • Size

    140KB

  • Sample

    220220-hlmczshgc4

  • MD5

    6cdcb9f86972efc4cfce4b06b6be053a

  • SHA1

    b928d01d3d7d2759bc80899e61d3053948419366

  • SHA256

    5d92914acdfb551c237866cc4cce6c80aeeeb695e52beecd2613694302c62271

  • SHA512

    8571bb5cb9d0f12a818a72e94cac28b9609b118d69bcbf1118e509eebb36905934203550c2624b6d1910fe8fc0c4310adcb7a779abbc37277c4b9ab714f7fd36

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

      5d92914acdfb551c237866cc4cce6c80aeeeb695e52beecd2613694302c62271

    • Size

      140KB

    • MD5

      6cdcb9f86972efc4cfce4b06b6be053a

    • SHA1

      b928d01d3d7d2759bc80899e61d3053948419366

    • SHA256

      5d92914acdfb551c237866cc4cce6c80aeeeb695e52beecd2613694302c62271

    • SHA512

      8571bb5cb9d0f12a818a72e94cac28b9609b118d69bcbf1118e509eebb36905934203550c2624b6d1910fe8fc0c4310adcb7a779abbc37277c4b9ab714f7fd36

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

    • 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

1
T1012

System Information Discovery

2
T1082

Tasks