General

  • Target

    2024-06-13_e3a0bcbc419370c4ea0fd4c6a0d19482_crysis_dharma

  • Size

    92KB

  • Sample

    240613-hfjpxaxgpa

  • MD5

    e3a0bcbc419370c4ea0fd4c6a0d19482

  • SHA1

    17ab4c6945d480a8c688d33378627fa58e71c0d0

  • SHA256

    f7b9599f6c3793b43300909e1589654002eb96d0799d731f2507475e48862352

  • SHA512

    5f3b7da007abba89b1d1e1bba093aeca49712d9ed7f2479dce0fa0c75244977a13e206990d2fabb8fe71a402e3306cde417a02f7276ec9d8052205d0f6981b09

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4A86A3pZ5jl9GU8VJ035kXCjx7L/A:Qw+asqN5aW/hL6pZ9kJ0JkM78

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: [email protected] YOUR ID [email protected] 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 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.

Targets

    • Target

      2024-06-13_e3a0bcbc419370c4ea0fd4c6a0d19482_crysis_dharma

    • Size

      92KB

    • MD5

      e3a0bcbc419370c4ea0fd4c6a0d19482

    • SHA1

      17ab4c6945d480a8c688d33378627fa58e71c0d0

    • SHA256

      f7b9599f6c3793b43300909e1589654002eb96d0799d731f2507475e48862352

    • SHA512

      5f3b7da007abba89b1d1e1bba093aeca49712d9ed7f2479dce0fa0c75244977a13e206990d2fabb8fe71a402e3306cde417a02f7276ec9d8052205d0f6981b09

    • SSDEEP

      1536:mBwl+KXpsqN5vlwWYyhY9S4A86A3pZ5jl9GU8VJ035kXCjx7L/A:Qw+asqN5aW/hL6pZ9kJ0JkM78

    • 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.

    • Renames multiple (321) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • 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 v13

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks