General

  • Target

    Fast.exe

  • Size

    56KB

  • Sample

    210419-c2b7f1w482

  • MD5

    570c8f24ff863f286366b9469d289a39

  • SHA1

    ed5400599d048c7a0ffd32459ffb9852904aacd9

  • SHA256

    c7703c115b1ec3fb755e570ee94c782e03097ed6c054c7872d34d2379409181f

  • SHA512

    57903a5f1d463d5b978018670c686d462f37bb8db8c60ba8b83054ab9413ef5b122b39fc59c2d6dcb320e84f933200e80a1e10a7a0a43ede9552cd22a61b3c55

Malware Config

Extracted

Path

C:\Users\Admin\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: Kaseno@firemail.cc Write this ID in the title of your message 97C1E0A6-3172 To increase the likelihood of receiving a response to your request, also duplicate your letters to the following e-mails: zezoxo@libertymail.net and togerpo@zohomail.eu For quick and convenient feedback, write to the online operator in the Telegram messenger: @zezoxo (The username of the Telegram account must be exactly the same as above.) 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 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 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) Attention! To get guaranteed assistance in decrypting your files, please contact only the contacts indicated in this note, otherwise we are not responsible for the decryption! Do not rename encrypted files. Do not try to decrypt your data using third-party software, as this may result in irreversible data loss. Decrypting your files with the help of third parties may increase the price (they add their fee to ours) or you risk losing money without receiving files decryption in return. !!! When contacting third parties, we do not give a guarantee for decryption of your files !!! 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/
Emails

Kaseno@firemail.cc

zezoxo@libertymail.net

togerpo@zohomail.eu

Extracted

Path

C:\Users\Admin\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: Kaseno@firemail.cc Write this ID in the title of your message 27DC7F38-3172 To increase the likelihood of receiving a response to your request, also duplicate your letters to the following e-mails: zezoxo@libertymail.net and togerpo@zohomail.eu For quick and convenient feedback, write to the online operator in the Telegram messenger: @zezoxo (The username of the Telegram account must be exactly the same as above.) 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 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 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) Attention! To get guaranteed assistance in decrypting your files, please contact only the contacts indicated in this note, otherwise we are not responsible for the decryption! Do not rename encrypted files. Do not try to decrypt your data using third-party software, as this may result in irreversible data loss. Decrypting your files with the help of third parties may increase the price (they add their fee to ours) or you risk losing money without receiving files decryption in return. !!! When contacting third parties, we do not give a guarantee for decryption of your files !!! 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/
Emails

Kaseno@firemail.cc

zezoxo@libertymail.net

togerpo@zohomail.eu

Targets

    • Target

      Fast.exe

    • Size

      56KB

    • MD5

      570c8f24ff863f286366b9469d289a39

    • SHA1

      ed5400599d048c7a0ffd32459ffb9852904aacd9

    • SHA256

      c7703c115b1ec3fb755e570ee94c782e03097ed6c054c7872d34d2379409181f

    • SHA512

      57903a5f1d463d5b978018670c686d462f37bb8db8c60ba8b83054ab9413ef5b122b39fc59c2d6dcb320e84f933200e80a1e10a7a0a43ede9552cd22a61b3c55

    • 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

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Modifies Windows Firewall

    • 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)

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Deletion

3
T1107

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

4
T1490

Tasks