General

  • Target

    038bc98b3cedf2e9c36df41cdce8fdfe43fa2d910911e8f18fe0d9abff55b7e3

  • Size

    5.3MB

  • Sample

    230615-np4pbsgb92

  • MD5

    b1d1ee7ca6e203ed26009f7667600b09

  • SHA1

    7ac25793380eeba7dbd7f5ffb544ba999641ba08

  • SHA256

    038bc98b3cedf2e9c36df41cdce8fdfe43fa2d910911e8f18fe0d9abff55b7e3

  • SHA512

    631e149e4e6da217908bcd4cb363d2b43d1347f145c883f449d6594ad454bb5a7dc650166594c3caf29375a023874240c4efc6e787154966dbc58300722e878e

  • SSDEEP

    98304:y95iCM0BDy9FBLpPUpeXV76c7qj1qhK4LwOhbaRZka5Rt1++VPiZ4qo:SICDBO9FXPU+V7pLhK48OxaQ8RtcePca

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\HOW-TO-DECRYPT-FILES.txt

Ransom Note
____ __ __ ____ __ / __ ) / /____ _ _____ / /__ / __ \ __ __ / /_ __ __ / __ |/ // __ `// ___// //_/ / /_/ // / / // __ \ / / / / / /_/ // // /_/ // /__ / ,< / _, _// /_/ // /_/ // /_/ / /_____//_/ \__,_/ \___//_/|_| /_/ |_| \__,_//_.___/ \__, / /____/ ===================== Identification Key ===================== 5A587633437575496E42644462476278587054374E577145514A6E5159315 7454F5A3732785A4C776830682F76426945557A2F57326A37672B776A7261 79452B6C576A6D767178614561546C52583671664A5157777A794545546E3 547797441384755466855534E374A7372724171744B6530516A41724A5A52 4372433462697A366A426D4A332F64795348664D4B444B766455446866556 F6E506E413062683143515571774C6275566E2B6276696364783151477847 30576D76794C703159716A3443686F424C575730414F39663848304D42364 4444842565531563731763157347346737249437230697575726B702B6B50 694D4639313236624C59755A50614A304678694C30754D3268584D786C4B7 857432B346470326564496769747834456D646B3353795A6F5473666A774B 53305751724439315346584B346F5045695559486B7472452B342B7245516 5686B6F676E513D3D ===================== Identification Key ===================== [Can not access your files?] Congratulations, you are now part of our family #BlackRuby Ransomware. The range of this family is wider and bigger every day. Our hosts welcome our presence because we will give them a scant souvenir from the heart of Earth. This time, we are guest with a new souvenir called "Black Ruby". A ruby ​​in black, different, beautiful, and brilliant, which has been bothered to extract those years and you must also endure this hard work to keep it. If you do not have the patience of this difficulty or you hate some of this precious stone, we are willing to receive the price years of mining and finding rubies for your relief and other people of the world who are guests of the black ruby. So let's talk a little bit with you without a metaphor and literary terms to understand the importance of the subject. It does not matter if you're a small business or you manage a large organization, no matter whether you are a regular user or a committed employee, it's important that you have a black ruby and to get rid of it, you need to get back to previous situation and we need a next step. The breadth of this family is not supposed to stop, because we have enough knowledge and you also trust our knowledge. We are always your backers and guardian of your information at this multi-day banquet and be sure that no one in the world can take it from you except for us who extracts this precious stone. We need a two-sided cooperation in developing cybersecurity knowledge. The background to this cooperation is a mutual trust, which will result in peace and tranquility. you must pay $650 (USD) worth of Bitcoins for restore your system to the previous state and you are free to choose to stay in this situation or return to the normal. Do not forget that your opportunity is limited. From these limits you can create golden situations. Be sure we will help you in this way and to know that having a black ruby does not always mean riches. You and your system are poor, poor knowledge of cybersecurity and lack of security on your system!. ======================================================================================================================== [HOW TO DECRYPT FILES] 1. Copy "Identification Key". 2. Send this key with two encrypted files (less than 5 MB) for trust us to email address "[email protected]". 3. We decrypt your two files and send them to your email. 4. After ensuring the integrity of the files, you must pay $650 (USD) with bitcoin and send transaction code to our email, our bitcoin address is "19S7k3zHphKiYr85T25FnqdxizHcgmjoj1". 5. You get "Black Ruby Decryptor" Along with the private key of your system. 6. Everything returns to the normal and your files will be released. ======================================================================================================================== [What is encryption?] Encryption is a reversible modification of information for security reasons but providing full access to it for authorised users. To become an authorised user and keep the modification absolutely reversible (in other words to have a possibility to decrypt your files) you should have an "Personal Identification Key". But not only it. It is required also to have the special decryption software (in your case “Black Ruby Decryptor” software) for safe and complete decryption of all your files and data. [Everything is clear for me but what should I do?] The first step is reading these instructions to the end. Your files have been encrypted with the “Black Ruby Ransomware” software; the instructions (“HOW-TO-DECRYPT-FILES.txt”) in the folders with your encrypted files are not viruses, they will help you. After reading this text the most part of people start searching in the Internet the words the “Black Ruby Ransomware” where they find a lot of ideas, recommendation and instructions. It is necessary to realise that we are the ones who closed the lock on your files and we are the only ones who have this secret key to open them. [Have you got advice?] [*** Any attempts to get back you files with the third-party tools can be fatal for your encrypted files ***] The most part of the tried-party software change data with the encrypted files to restore it but this cases damage to the files. Finally it will be impossible to decrypt your files. When you make a puzzle but some items are lost, broken or not put in its place - the puzzle items will never match, the same way the third-party software will ruin your files completely and irreversibly. You should realise that any intervention of the third-party software to restore files encrypted with the “Black Ruby Ransomware” software may be fatal for your files. If you look through this text in the Internet and realise that something is wrong with your files but you do not have any instructions to restore your files, please contact your antivirus support.

Extracted

Path

C:\Program Files (x86)\HOW-TO-DECRYPT-FILES.txt

Ransom Note
____ __ __ ____ __ / __ ) / /____ _ _____ / /__ / __ \ __ __ / /_ __ __ / __ |/ // __ `// ___// //_/ / /_/ // / / // __ \ / / / / / /_/ // // /_/ // /__ / ,< / _, _// /_/ // /_/ // /_/ / /_____//_/ \__,_/ \___//_/|_| /_/ |_| \__,_//_.___/ \__, / /____/ ===================== Identification Key ===================== 46546D6D736952746D537672364D6A4A727354435075584B6E6A6F564C377 26848534E5065576F77756C6E393149537455674834354C31356D69347A57 4D794C7348457A562F486968764A48426B4A55486C52696334687A5276356 3636E754C31657A5A4153346B433846705250493376756C47596D764D5372 42787A4233346735586D43556464786F384279324338554E386F2B58596F4 5464C7A785332616F3132317945636D64784B67497A51724D4544446E3845 4D694854426B383157512B2B4C664D52624A5853664F577743726F386D666 274512F436255567A2B6D772B5455597A436A384C3076534C6B774A6E5756 456F417866656630527A6F374470696B434344736B612B434337563843424 8364F647732674E764D3469384B57696B496F626D76323772345244693657 6352434E397A6C505769476C3246514155614845734E4E54454E2F5653774 84C614F6176513D3D ===================== Identification Key ===================== [Can not access your files?] Congratulations, you are now part of our family #BlackRuby Ransomware. The range of this family is wider and bigger every day. Our hosts welcome our presence because we will give them a scant souvenir from the heart of Earth. This time, we are guest with a new souvenir called "Black Ruby". A ruby ​​in black, different, beautiful, and brilliant, which has been bothered to extract those years and you must also endure this hard work to keep it. If you do not have the patience of this difficulty or you hate some of this precious stone, we are willing to receive the price years of mining and finding rubies for your relief and other people of the world who are guests of the black ruby. So let's talk a little bit with you without a metaphor and literary terms to understand the importance of the subject. It does not matter if you're a small business or you manage a large organization, no matter whether you are a regular user or a committed employee, it's important that you have a black ruby and to get rid of it, you need to get back to previous situation and we need a next step. The breadth of this family is not supposed to stop, because we have enough knowledge and you also trust our knowledge. We are always your backers and guardian of your information at this multi-day banquet and be sure that no one in the world can take it from you except for us who extracts this precious stone. We need a two-sided cooperation in developing cybersecurity knowledge. The background to this cooperation is a mutual trust, which will result in peace and tranquility. you must pay $650 (USD) worth of Bitcoins for restore your system to the previous state and you are free to choose to stay in this situation or return to the normal. Do not forget that your opportunity is limited. From these limits you can create golden situations. Be sure we will help you in this way and to know that having a black ruby does not always mean riches. You and your system are poor, poor knowledge of cybersecurity and lack of security on your system!. ======================================================================================================================== [HOW TO DECRYPT FILES] 1. Copy "Identification Key". 2. Send this key with two encrypted files (less than 5 MB) for trust us to email address "[email protected]". 3. We decrypt your two files and send them to your email. 4. After ensuring the integrity of the files, you must pay $650 (USD) with bitcoin and send transaction code to our email, our bitcoin address is "19S7k3zHphKiYr85T25FnqdxizHcgmjoj1". 5. You get "Black Ruby Decryptor" Along with the private key of your system. 6. Everything returns to the normal and your files will be released. ======================================================================================================================== [What is encryption?] Encryption is a reversible modification of information for security reasons but providing full access to it for authorised users. To become an authorised user and keep the modification absolutely reversible (in other words to have a possibility to decrypt your files) you should have an "Personal Identification Key". But not only it. It is required also to have the special decryption software (in your case “Black Ruby Decryptor” software) for safe and complete decryption of all your files and data. [Everything is clear for me but what should I do?] The first step is reading these instructions to the end. Your files have been encrypted with the “Black Ruby Ransomware” software; the instructions (“HOW-TO-DECRYPT-FILES.txt”) in the folders with your encrypted files are not viruses, they will help you. After reading this text the most part of people start searching in the Internet the words the “Black Ruby Ransomware” where they find a lot of ideas, recommendation and instructions. It is necessary to realise that we are the ones who closed the lock on your files and we are the only ones who have this secret key to open them. [Have you got advice?] [*** Any attempts to get back you files with the third-party tools can be fatal for your encrypted files ***] The most part of the tried-party software change data with the encrypted files to restore it but this cases damage to the files. Finally it will be impossible to decrypt your files. When you make a puzzle but some items are lost, broken or not put in its place - the puzzle items will never match, the same way the third-party software will ruin your files completely and irreversibly. You should realise that any intervention of the third-party software to restore files encrypted with the “Black Ruby Ransomware” software may be fatal for your files. If you look through this text in the Internet and realise that something is wrong with your files but you do not have any instructions to restore your files, please contact your antivirus support.

Targets

    • Target

      038bc98b3cedf2e9c36df41cdce8fdfe43fa2d910911e8f18fe0d9abff55b7e3

    • Size

      5.3MB

    • MD5

      b1d1ee7ca6e203ed26009f7667600b09

    • SHA1

      7ac25793380eeba7dbd7f5ffb544ba999641ba08

    • SHA256

      038bc98b3cedf2e9c36df41cdce8fdfe43fa2d910911e8f18fe0d9abff55b7e3

    • SHA512

      631e149e4e6da217908bcd4cb363d2b43d1347f145c883f449d6594ad454bb5a7dc650166594c3caf29375a023874240c4efc6e787154966dbc58300722e878e

    • SSDEEP

      98304:y95iCM0BDy9FBLpPUpeXV76c7qj1qhK4LwOhbaRZka5Rt1++VPiZ4qo:SICDBO9FXPU+V7pLhK48OxaQ8RtcePca

    • Hades Ransomware

      Ransomware family attributed to Evil Corp APT first seen in late 2020.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks