ransomexx_win | d85f4448d5aea240d68c07bec6f363986d71940c3c1a3e49053d55fd1741c41e

General

Target

d85f4448d5aea240d68c07bec6f363986d71940c3c1a3e49053d55fd1741c41e.bin.sample
Size

156KB
Sample

211130-qr2c4aabh6
MD5

b36c45a9548330108c3e5731607eb7fb
SHA1

24e773aa271fc0636cda6b0966a6034b65cb3052
SHA256

d85f4448d5aea240d68c07bec6f363986d71940c3c1a3e49053d55fd1741c41e
SHA512

1bdb0b3772057cef466e496d5f1bf248fde7337d4bc8bf1ce94a1b56eafed3f83d82b1bc9c607c055641a303f604689297f8aa1c53e33568de0d455a07950889

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
  
  d85f4448d5aea240d68c07bec6f363986d71940c3c1a3e49053d55fd1741c41e.bin.sample
- Size
  
  156KB
- MD5
  
  b36c45a9548330108c3e5731607eb7fb
- SHA1
  
  24e773aa271fc0636cda6b0966a6034b65cb3052
- SHA256
  
  d85f4448d5aea240d68c07bec6f363986d71940c3c1a3e49053d55fd1741c41e
- SHA512
  
  1bdb0b3772057cef466e496d5f1bf248fde7337d4bc8bf1ce94a1b56eafed3f83d82b1bc9c607c055641a303f604689297f8aa1c53e33568de0d455a07950889
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