General

  • Target

    45e9481702b87e03705d35c12c5a8a3d795d42f91d562cba539999846c729686

  • Size

    236KB

  • Sample

    201109-l3m5nfg2lx

  • MD5

    09fd8604639fa6f0d6a0d2a844c82ce8

  • SHA1

    504ca88eedfe15fb00ce39e0b2c0522b5e90a2ac

  • SHA256

    45e9481702b87e03705d35c12c5a8a3d795d42f91d562cba539999846c729686

  • SHA512

    057985b4d27ffa8097dc0537fa2ad42d9d137d7ef69b1e753c1fa3a8f7c2f42903291e9ce6c40170443ffff90e8d9ffd5b73e96f1f6f5b311e316669474d1da2

Malware Config

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 3441546223@qq.com Write this ID in the title of your message 51C7BEB4 In case of no answer in 24 hours write us to theese e-mails: 3441546223@qq.com 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 1 file for free decryption. The total size of files must be less than 1Mb (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

3441546223@qq.com

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 3441546223@qq.com Write this ID in the title of your message 65358199 In case of no answer in 24 hours write us to theese e-mails: 3441546223@qq.com 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 1 file for free decryption. The total size of files must be less than 1Mb (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

3441546223@qq.com

Targets

    • Target

      45e9481702b87e03705d35c12c5a8a3d795d42f91d562cba539999846c729686

    • Size

      236KB

    • MD5

      09fd8604639fa6f0d6a0d2a844c82ce8

    • SHA1

      504ca88eedfe15fb00ce39e0b2c0522b5e90a2ac

    • SHA256

      45e9481702b87e03705d35c12c5a8a3d795d42f91d562cba539999846c729686

    • SHA512

      057985b4d27ffa8097dc0537fa2ad42d9d137d7ef69b1e753c1fa3a8f7c2f42903291e9ce6c40170443ffff90e8d9ffd5b73e96f1f6f5b311e316669474d1da2

    • 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.

    • 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

    • Modifies service

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Modify Existing Service

1
T1031

Defense Evasion

File Deletion

2
T1107

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks