General

  • Target

    dharma.exe

  • Size

    70KB

  • Sample

    210722-mmfchafls6

  • MD5

    d65c7db4797b4738e91d0a24444033a6

  • SHA1

    b524a9b5a3abebbc04c068897b69515e5a1f26ac

  • SHA256

    883162246c3d0a2c10e5c35a2a43ff444a24dbcf9e64dc5cc09009b9cd0ab48e

  • SHA512

    aee796aaea06081d45dc0495a736d697fb6bd3ed8f34ca2efb8fff6919311942db3aeb196c56276ae048a018c9c0827d66e319362e3402dfadd4558bfa2c88e3

Malware Config

Extracted

Path

C:\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 maksimbockovskij315@gmail.com Write this ID in the title of your message AF029118-2218 In case of no answer in 24 hours write us to this e-mail: maksimbockovskij@tuta.io 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.
Emails

maksimbockovskij315@gmail.com

maksimbockovskij@tuta.io

Extracted

Path

C:\users\public\desktop\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 maksimbockovskij315@gmail.com Write this ID in the title of your message E880C011-2218 In case of no answer in 24 hours write us to this e-mail: maksimbockovskij@tuta.io 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.
Emails

maksimbockovskij315@gmail.com

maksimbockovskij@tuta.io

Targets

    • Target

      dharma.exe

    • Size

      70KB

    • MD5

      d65c7db4797b4738e91d0a24444033a6

    • SHA1

      b524a9b5a3abebbc04c068897b69515e5a1f26ac

    • SHA256

      883162246c3d0a2c10e5c35a2a43ff444a24dbcf9e64dc5cc09009b9cd0ab48e

    • SHA512

      aee796aaea06081d45dc0495a736d697fb6bd3ed8f34ca2efb8fff6919311942db3aeb196c56276ae048a018c9c0827d66e319362e3402dfadd4558bfa2c88e3

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Modifies Windows Firewall

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Drops startup file

    • Adds Run key to start application

    • Drops desktop.ini file(s)

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Impact

Inhibit System Recovery

3
T1490

Tasks