General

  • Target

    a91491f45b851a07f91ba5a200967921bf796d38677786de51a4a8fe5ddeafd2.sample

  • Size

    71KB

  • Sample

    210726-t9axsqzd2a

  • MD5

    e59ffeaf7acb0c326e452fa30bb71a36

  • SHA1

    c88fad293256bfead6962124394de4f8b97765aa

  • SHA256

    a91491f45b851a07f91ba5a200967921bf796d38677786de51a4a8fe5ddeafd2

  • SHA512

    737937ac074b1754878f9548be0fae43a18b88ed669a5626468763577d254ef4cd833686d3b9ed5a3169eb8dd1593ca03a74f5ba4664ccc1446d9b85d2f316b3

Malware Config

Extracted

Path

C:\users\public\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 lockhelp@qq.com Write this ID in the title of your message 428B5AF6-1096 If there is no response from our mail, you can install the Jabber client and write to us in support of lockhelp@xmpp.jp 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 5 files for free decryption. The total size of files must be less than 10Mb (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/ Jabber client installation instructions: Download the jabber (Pidgin) client from https://pidgin.im/download/windows/ After installation, the Pidgin client will prompt you to create a new account. Click "Add" In the "Protocol" field, select XMPP In "Username" - come up with any name In the field "domain" - enter any jabber-server, there are a lot of them, for example - exploit.im Create a password At the bottom, put a tick "Create account" Click add If you selected "domain" - exploit.im, then a new window should appear in which you will need to re-enter your data: User password You will need to follow the link to the captcha (there you will see the characters that you need to enter in the field below) If you don't understand our Pidgin client installation instructions, you can find many installation tutorials on youtube - https://www.youtube.com/results?search_query=pidgin+jabber+install 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

lockhelp@qq.com

lockhelp@xmpp.jp

URLs

https://pidgin.im/download/windows/

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 lockhelp@qq.com Write this ID in the title of your message 42BF2CA7-1096 If there is no response from our mail, you can install the Jabber client and write to us in support of lockhelp@xmpp.jp 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 5 files for free decryption. The total size of files must be less than 10Mb (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/ Jabber client installation instructions: Download the jabber (Pidgin) client from https://pidgin.im/download/windows/ After installation, the Pidgin client will prompt you to create a new account. Click "Add" In the "Protocol" field, select XMPP In "Username" - come up with any name In the field "domain" - enter any jabber-server, there are a lot of them, for example - exploit.im Create a password At the bottom, put a tick "Create account" Click add If you selected "domain" - exploit.im, then a new window should appear in which you will need to re-enter your data: User password You will need to follow the link to the captcha (there you will see the characters that you need to enter in the field below) If you don't understand our Pidgin client installation instructions, you can find many installation tutorials on youtube - https://www.youtube.com/results?search_query=pidgin+jabber+install 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

lockhelp@qq.com

lockhelp@xmpp.jp

URLs

https://pidgin.im/download/windows/

Targets

    • Target

      a91491f45b851a07f91ba5a200967921bf796d38677786de51a4a8fe5ddeafd2.sample

    • Size

      71KB

    • MD5

      e59ffeaf7acb0c326e452fa30bb71a36

    • SHA1

      c88fad293256bfead6962124394de4f8b97765aa

    • SHA256

      a91491f45b851a07f91ba5a200967921bf796d38677786de51a4a8fe5ddeafd2

    • SHA512

      737937ac074b1754878f9548be0fae43a18b88ed669a5626468763577d254ef4cd833686d3b9ed5a3169eb8dd1593ca03a74f5ba4664ccc1446d9b85d2f316b3

    • 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

    • 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

Persistence

Modify Existing Service

1
T1031

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

3
T1490

Tasks