General

  • Target

    lsass.exe

  • Size

    62KB

  • Sample

    210506-apjt1p8ebs

  • MD5

    ab7b66ee5385cb473b9c15db3e239692

  • SHA1

    5875f07b7b8174284ca15e4d5f53942e0d736024

  • SHA256

    8710ad8fb2938326655335455987aa17961b2496a345a7ed9f4bbfcb278212bc

  • SHA512

    1a9139af13dacb7cc0022b1216d725e39cfe3668384caf6942705bd1cad263368c4b305f7ccd649cd9bee3be5817029fd410bd02deff34c6b73d8159f2aae280

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: nilaron@firemail.cc Write this ID in the title of your message 97C1E0A6-3152 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

nilaron@firemail.cc

zezoxo@libertymail.net

togerpo@zohomail.eu

Extracted

Path

C:\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: nilaron@firemail.cc Write this ID in the title of your message 685668F3-3152 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

nilaron@firemail.cc

zezoxo@libertymail.net

togerpo@zohomail.eu

Targets

    • Target

      lsass.exe

    • Size

      62KB

    • MD5

      ab7b66ee5385cb473b9c15db3e239692

    • SHA1

      5875f07b7b8174284ca15e4d5f53942e0d736024

    • SHA256

      8710ad8fb2938326655335455987aa17961b2496a345a7ed9f4bbfcb278212bc

    • SHA512

      1a9139af13dacb7cc0022b1216d725e39cfe3668384caf6942705bd1cad263368c4b305f7ccd649cd9bee3be5817029fd410bd02deff34c6b73d8159f2aae280

    • 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