Overview

overview

10

Static

static

c12ea811bb...d0.exe

windows7_x64

10

c12ea811bb...d0.exe

windows10-2004_x64

7

Sharing

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General

  • Target

    c12ea811bbe3c730529545f379aa852ed85c6ae5d45307dd45cc13ca0cd6ccd0

  • Size

    315KB

  • Sample

    220220-cyewsafge9

  • MD5

    9412504a6d0ba4a5526c42b032ae51de

  • SHA1

    3cc1f29877ed739f0fee3250b2cbc648f9f014f1

  • SHA256

    c12ea811bbe3c730529545f379aa852ed85c6ae5d45307dd45cc13ca0cd6ccd0

  • SHA512

    52f77c8c4e8308afd4ed928e2c94c44594ad9185b8a8ede24c7185f8ba4d225ac58f5c3cf80a228c1cd2b78df7910c296eefdac4e623cf4d0116d9c2df647a71

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 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

      c12ea811bbe3c730529545f379aa852ed85c6ae5d45307dd45cc13ca0cd6ccd0

    • Size

      315KB

    • MD5

      9412504a6d0ba4a5526c42b032ae51de

    • SHA1

      3cc1f29877ed739f0fee3250b2cbc648f9f014f1

    • SHA256

      c12ea811bbe3c730529545f379aa852ed85c6ae5d45307dd45cc13ca0cd6ccd0

    • SHA512

      52f77c8c4e8308afd4ed928e2c94c44594ad9185b8a8ede24c7185f8ba4d225ac58f5c3cf80a228c1cd2b78df7910c296eefdac4e623cf4d0116d9c2df647a71

    Score
    10/10
    ryukpersistenceransomware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • 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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks