General

  • Target

    d4d53c64cb46b4a286bdfdecaa928ed77942d8838506356bfbb6b8da8349c191

  • Size

    304KB

  • Sample

    220725-fy3jmagdcl

  • MD5

    19e48e72c51e0e652a2b5c75db0ef9bc

  • SHA1

    b4ea00205b0e611e2fc155d5ded19b22cd6341f3

  • SHA256

    d4d53c64cb46b4a286bdfdecaa928ed77942d8838506356bfbb6b8da8349c191

  • SHA512

    65269d693b7ddf70c76069d2a80cec73ba1f78a38b0cfcf029af5c30eca972a7b2f21c327f63ac5a17d85a7fab4008e4c04d6ba4e50561f2f71ea7ede52175e2

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 admin@fentex.net Write this ID in the title of your message C080A9D8 In case of no answer in 24 hours write us to theese e-mails: admin@fentex.world 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

admin@fentex.net

admin@fentex.world

Targets

    • Target

      d4d53c64cb46b4a286bdfdecaa928ed77942d8838506356bfbb6b8da8349c191

    • Size

      304KB

    • MD5

      19e48e72c51e0e652a2b5c75db0ef9bc

    • SHA1

      b4ea00205b0e611e2fc155d5ded19b22cd6341f3

    • SHA256

      d4d53c64cb46b4a286bdfdecaa928ed77942d8838506356bfbb6b8da8349c191

    • SHA512

      65269d693b7ddf70c76069d2a80cec73ba1f78a38b0cfcf029af5c30eca972a7b2f21c327f63ac5a17d85a7fab4008e4c04d6ba4e50561f2f71ea7ede52175e2

    • 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.

    • 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 v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks