General

  • Target

    9a4e6b6a25332f21e4e15bd5c67ea1613db78bf02fa3cef2eba47f27723f8d58

  • Size

    92KB

  • Sample

    201109-yv1vrzhqxj

  • MD5

    f552f5b23542b6ab3605cc51390b1d5f

  • SHA1

    2d58e4981de5d73a36cd741b811e1741501cc4ec

  • SHA256

    9a4e6b6a25332f21e4e15bd5c67ea1613db78bf02fa3cef2eba47f27723f8d58

  • SHA512

    a45ef470e6992c2358845ccd1edf5969a0082089fecac33ade0e3685bbff288cf5d92428d5a94c4f9d5dfcf30bf2e13f65a2a04159d555ed915cf8133a6596fa

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 newdecrypt@protonmail.com Write this ID in the title of your message CD5E4732 In case of no answer in 24 hours write us to theese e-mails: Filesback@tutamail.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

newdecrypt@protonmail.com

Filesback@tutamail.com

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 newdecrypt@protonmail.com Write this ID in the title of your message E79F0F3A In case of no answer in 24 hours write us to theese e-mails: Filesback@tutamail.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

newdecrypt@protonmail.com

Filesback@tutamail.com

Targets

    • Target

      9a4e6b6a25332f21e4e15bd5c67ea1613db78bf02fa3cef2eba47f27723f8d58

    • Size

      92KB

    • MD5

      f552f5b23542b6ab3605cc51390b1d5f

    • SHA1

      2d58e4981de5d73a36cd741b811e1741501cc4ec

    • SHA256

      9a4e6b6a25332f21e4e15bd5c67ea1613db78bf02fa3cef2eba47f27723f8d58

    • SHA512

      a45ef470e6992c2358845ccd1edf5969a0082089fecac33ade0e3685bbff288cf5d92428d5a94c4f9d5dfcf30bf2e13f65a2a04159d555ed915cf8133a6596fa

    • 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

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