ransomexx_win | 64c51351aafb4cd339934a78d064847bdd833b963eafbade86eb51ac2c1677f4

General

Target

64c51351aafb4cd339934a78d064847bdd833b963eafbade86eb51ac2c1677f4.bin.sample
Size

156KB
Sample

211130-qkt1faabf7
MD5

1af3b3dbc826f6dadf14025588ff96f6
SHA1

5238ba19bb3c7298ee13fe6eb0cf5f8787c13cd8
SHA256

64c51351aafb4cd339934a78d064847bdd833b963eafbade86eb51ac2c1677f4
SHA512

a2dfefe1e78e3267755e45cefb88ffc65240b6c0aaf8546480ce38a2d6432f7907be86aeb579095e4781b21a0125434e6c945777ca50362765ce63324aac282d

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
  
  64c51351aafb4cd339934a78d064847bdd833b963eafbade86eb51ac2c1677f4.bin.sample
- Size
  
  156KB
- MD5
  
  1af3b3dbc826f6dadf14025588ff96f6
- SHA1
  
  5238ba19bb3c7298ee13fe6eb0cf5f8787c13cd8
- SHA256
  
  64c51351aafb4cd339934a78d064847bdd833b963eafbade86eb51ac2c1677f4
- SHA512
  
  a2dfefe1e78e3267755e45cefb88ffc65240b6c0aaf8546480ce38a2d6432f7907be86aeb579095e4781b21a0125434e6c945777ca50362765ce63324aac282d
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