General

  • Target

    2024-06-14_2d3611a415d4b904c601df5174b3957f_crysis_dharma

  • Size

    92KB

  • Sample

    240614-rvgcrsybnn

  • MD5

    2d3611a415d4b904c601df5174b3957f

  • SHA1

    ff2fce545a267557ef59089c76ea69d495ad5b44

  • SHA256

    9ce3759793f56b547c9b5d683d922cd7691c79e337ba8478c9757b5836ae71c5

  • SHA512

    05ad2d269079268836e1be0d13d8927ad053faa0ebbc86ba6aa18dd8a916df1d136d5908db5d0e2fd1f0c4f20f915154b6b76c6780b9352679e9346b70567e2e

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4AKKMgZBBz3fbzhr9t/HO:ww+asqN5aW/hSjD9p

Malware Config

Extracted

Path

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

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected] Write this ID in the title of your message 516B9330 In case of no answer in 24 hours write us to theese e-mails: [email protected] You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 5 files for free decryption. The total size of files must be less than 10Mb (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.

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected] Write this ID in the title of your message 56B9E5D8 In case of no answer in 24 hours write us to theese e-mails: [email protected] You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 5 files for free decryption. The total size of files must be less than 10Mb (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.

Targets

    • Target

      2024-06-14_2d3611a415d4b904c601df5174b3957f_crysis_dharma

    • Size

      92KB

    • MD5

      2d3611a415d4b904c601df5174b3957f

    • SHA1

      ff2fce545a267557ef59089c76ea69d495ad5b44

    • SHA256

      9ce3759793f56b547c9b5d683d922cd7691c79e337ba8478c9757b5836ae71c5

    • SHA512

      05ad2d269079268836e1be0d13d8927ad053faa0ebbc86ba6aa18dd8a916df1d136d5908db5d0e2fd1f0c4f20f915154b6b76c6780b9352679e9346b70567e2e

    • SSDEEP

      1536:GBwl+KXpsqN5vlwWYyhZ9S4AKKMgZBBz3fbzhr9t/HO:ww+asqN5aW/hSjD9p

    • 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 (312) 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 Enterprise v15

Tasks