General

  • Target

    53cee5760768d57218ccc210948592f29d41b98cba17a81a87d0392e1eeffaf6

  • Size

    92KB

  • Sample

    200911-k11hyv7sl6

  • MD5

    b3b2021645e12446deb9ae6f0ddfed71

  • SHA1

    dc59ba64bda2201de8cffc7e8d4696f0a3d5f930

  • SHA256

    53cee5760768d57218ccc210948592f29d41b98cba17a81a87d0392e1eeffaf6

  • SHA512

    e472625a05c239e058d9daaeff2f9e26a3c28a994d55995793e3190f6375af69133e550076b1e1cb93e63681dd54224cd0ca4c38a0e4f6b78a5fddc5b7959cbf

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\FILES ENCRYPTED.txt

Ransom Note
all your data has been locked us You want to return? Write email FileEnc@protonmail.com or FileDec@protonmail.com
Emails

FileEnc@protonmail.com

FileDec@protonmail.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 FileEnc@protonmail.com Write this ID in the title of your message CC5CB906 In case of no answer in 24 hours write us to theese e-mails: FileDec@protonmail.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

FileEnc@protonmail.com

FileDec@protonmail.com

Targets

    • Target

      53cee5760768d57218ccc210948592f29d41b98cba17a81a87d0392e1eeffaf6

    • Size

      92KB

    • MD5

      b3b2021645e12446deb9ae6f0ddfed71

    • SHA1

      dc59ba64bda2201de8cffc7e8d4696f0a3d5f930

    • SHA256

      53cee5760768d57218ccc210948592f29d41b98cba17a81a87d0392e1eeffaf6

    • SHA512

      e472625a05c239e058d9daaeff2f9e26a3c28a994d55995793e3190f6375af69133e550076b1e1cb93e63681dd54224cd0ca4c38a0e4f6b78a5fddc5b7959cbf

    • 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