General

  • Target

    2023-05-08_d3a5c66e319bd71259570ed86f0a1bce_crysis.exe

  • Size

    92KB

  • Sample

    230509-drgmgafh6x

  • MD5

    d3a5c66e319bd71259570ed86f0a1bce

  • SHA1

    3c5e36913aa97748981f3471edebb05a8ec9adcb

  • SHA256

    c221cb99f25328e6bf50d435b4ab3a2ff8b09f05f7cd90e5ce2006855b3aa619

  • SHA512

    def8de735c2153b8a607d3e871d828fd68ac860ec4260e022d3e47c5f816c32eca177a1ee2d4e50d1c4d3fcb55b5a9c6fb46e81c57d704cc97bb489e20d33425

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AZfl0tWOWkNQllq5ywFDOsValHWPMtS+:Qw+asqN5aW/hL9k5NQl80wJalHWP

Malware Config

Extracted

Path

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
All your files have been encrypted! Don't worry, you can return all your files! If you want to restore them, write to the mail: mr.hacker@nerdmail.co YOUR ID mr.hacker@onionmail.org Free decryption as guarantee Before paying you can send us up to 3 files for free decryption. The total size of files must be less than 3Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
Emails

mr.hacker@nerdmail.co

mr.hacker@onionmail.org

Targets

    • Target

      2023-05-08_d3a5c66e319bd71259570ed86f0a1bce_crysis.exe

    • Size

      92KB

    • MD5

      d3a5c66e319bd71259570ed86f0a1bce

    • SHA1

      3c5e36913aa97748981f3471edebb05a8ec9adcb

    • SHA256

      c221cb99f25328e6bf50d435b4ab3a2ff8b09f05f7cd90e5ce2006855b3aa619

    • SHA512

      def8de735c2153b8a607d3e871d828fd68ac860ec4260e022d3e47c5f816c32eca177a1ee2d4e50d1c4d3fcb55b5a9c6fb46e81c57d704cc97bb489e20d33425

    • SSDEEP

      1536:mBwl+KXpsqN5vlwWYyhY9S4AZfl0tWOWkNQllq5ywFDOsValHWPMtS+:Qw+asqN5aW/hL9k5NQl80wJalHWP

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks