ransomexx_win | 4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458

General

Target

4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.bin
Size

156KB
Sample

201214-2ecat1zaqs
MD5

fcd21c6fca3b9378961aa1865bee7ecb
SHA1

0abaa05da2a05977e0baf68838cff1712f1789e0
SHA256

4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458
SHA512

e39c1f965f6faeaa33dfec6eba23fbfff14b287f4777797ea79480bb037d6d806516bda7046315e051961fce12e935ac546819c1e0bef5c33568d68955a9792a

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
  
  4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.bin
- Size
  
  156KB
- MD5
  
  fcd21c6fca3b9378961aa1865bee7ecb
- SHA1
  
  0abaa05da2a05977e0baf68838cff1712f1789e0
- SHA256
  
  4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458
- SHA512
  
  e39c1f965f6faeaa33dfec6eba23fbfff14b287f4777797ea79480bb037d6d806516bda7046315e051961fce12e935ac546819c1e0bef5c33568d68955a9792a
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
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
behavioral1 behavioral2