ransomexx_win | 562b6736cb6b1abff6a98c29059ae0f6de997d9f3137de622c92f217510519a4

General

Target

7769606121.zip
Size

71KB
Sample

220724-s8cgeahehn
MD5

4e6f3ed15b2679235aee27281ca717b4
SHA1

6959fea57cc0e5d3ed7629f9bf20e424167648f6
SHA256

562b6736cb6b1abff6a98c29059ae0f6de997d9f3137de622c92f217510519a4
SHA512

dbd98bec47b539e5998148e1cf3c20a716ed2c0ed1ef4d604a84bb0bfcaebeb208bdfbd5d32479502b6af7c01679d3a472fa40683fc519fb16f7c8daf44f1920

Score

10^/10

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\!TXDOT_READ_ME!.txt

Ransom Note

Greetings, Texas Department of Transportation! Read this message CAREFULLY and contact someone from IT department. Your files are securely ENCRYPTED. No third party decryption software EXISTS. MODIFICATION or RENAMING encrypted files may cause decryption failure. You can send us an encrypted file (not greater than 400KB) and we will decrypt it FOR FREE, so you have no doubts in possibility to restore all files from all affected systems ANY TIME. Encrypted file SHOULD NOT contain sensitive information (technical, backups, databases, large documents). The rest of data will be available after the PAYMENT. Infrastructure rebuild will cost you MUCH more. Contact us ONLY if you officially represent the whole affected network. The ONLY attachments we accept are non archived encrypted files for test decryption. Speak ENGLISH when contacting us. Mail us: [email protected] We kindly ask you not to use GMAIL, YAHOO or LIVE to contact us. The PRICE depends on how quickly you do it. �

Emails

[email protected]

Targets

- Target
  
  e55fcf9315c52d2abd3431f7e4bb82cbd2b0d24d124e0e1a27b951030b2de162
- Size
  
  156KB
- MD5
  
  ca2326886fa699068c44f32b3e51adaf
- SHA1
  
  3555aaebe6c113fb8f923a38cb3bd75da6e86277
- SHA256
  
  e55fcf9315c52d2abd3431f7e4bb82cbd2b0d24d124e0e1a27b951030b2de162
- SHA512
  
  d7da00f22fede4909c29d5c6125f2b5749453cefa65c262133d50cf7235fc9d3b134e5b2d5740f08e8db3fc70c21de8bed42deb84a5ca31108a7968026b7ed9e
Score

10^/10

ransomexx_win evasion ransomware
- Deletes NTFS Change Journal
  The USN change journal is a persistent log of all changes made to local files used by Windows Server systems.
  ransomware
- RansomEXX Ransomware
  Targeted ransomware with variants which affect Windows and Linux systems.
  ransomware ransomexx_win
- Clears Windows event logs
  evasion ransomware
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Deletes backup catalog
  Uses wbadmin.exe to inhibit system recovery.
  ransomware
- Disables use of System Restore points
  evasion
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Overwrites deleted data with Cipher tool
  Cipher is a Windows tool which be used to securely wipe deallocated HDD space, preventing recovery of deleted data.
  ransomware
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
behavioral1 behavioral2