Overview

overview

10

Static

static

3

6f2b558e97...18.exe

windows7-x64

10

6f2b558e97...18.exe

windows10-2004-x64

10

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General

  • Target

    6f2b558e974817ff40006ddb7039c388_JaffaCakes118

  • Size

    300KB

  • Sample

    241023-qrt9sasekh

  • MD5

    6f2b558e974817ff40006ddb7039c388

  • SHA1

    8c3e9524634a65018b1478e97f231121402b2a4f

  • SHA256

    ce68afd45e2b3448aee1d06ea8f46a5e6ca9d4d370be316e96fa720a9ab76ada

  • SHA512

    5b0d7f7bbbf450041be3a6cff9fae1737864b3b56415b6f691ae093fce27f2d9d2d38453a665d00eceeced785a9a952de0f57aa22681a76023904de06f44454b

  • SSDEEP

    6144:3LMhHA+gJaJUn86taUfuYdxmefIsx0aPZTqEgi9Ht:3LMV5BzUfHdxr9WaBuED

Score
10/10
defense_evasiondiscoveryevasionexecutionimpactransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\how_recover+fit.txt

Ransom Note
________________________1234____________________________________- What happened to your files ? All of your files were protected by a strong encryption with RSA-2048. More information about the encryption keys using RSA-2048 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) What does this mean ? This means that the structure and data within your files have been irrevocably changed, you will not be able to work with them, read them or see them, it is the same thing as losing them forever, but with our help, you can restore them. How did this happen ? Especially for you, on our server was generated the secret key pair RSA-2048 - public and private. All your files were encrypted with the public key, which has been transferred to your computer via the Internet. Decrypting of your files is only possible with the help of the private key and decrypt program, which is on our secret server. What do I do ? ________________________1234____________________________________ Alas, if you do not take the necessary measures for the specified time then the conditions for obtaining the private key will be changed. If you really value your data, then we suggest you do not waste valuable time searching for other solutions because they do not exist. ________________________1234____________________________________ For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://gfhshhf.home7dfg4.com/1C9A51711B5B134 2. http://td63hftt.buwve5ton2.com/1C9A51711B5B134 3. https://tw7kaqthui5ojcez.onion.to/1C9A51711B5B134 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization. 3. Type in the address bar: tw7kaqthui5ojcez.onion/1C9A51711B5B134 4. Follow the instructions on the site. IMPORTANT INFORMATION: Your personal pages: http://gfhshhf.home7dfg4.com/1C9A51711B5B134 http://td63hftt.buwve5ton2.com/1C9A51711B5B134 https://tw7kaqthui5ojcez.onion.to/1C9A51711B5B134 Your personal page (using TOR-Browser): tw7kaqthui5ojcez.onion/1C9A51711B5B134 Your personal identification number (if you open the site (or TOR-Browser's) directly): 1C9A51711B5B134
URLs

http://gfhshhf.home7dfg4.com/1C9A51711B5B134

http://td63hftt.buwve5ton2.com/1C9A51711B5B134

https://tw7kaqthui5ojcez.onion.to/1C9A51711B5B134

http://tw7kaqthui5ojcez.onion/1C9A51711B5B134

Extracted

Path

C:\Program Files\7-Zip\Lang\how_recover+nat.txt

Ransom Note
________________________1234____________________________________- What happened to your files ? All of your files were protected by a strong encryption with RSA-2048. More information about the encryption keys using RSA-2048 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) What does this mean ? This means that the structure and data within your files have been irrevocably changed, you will not be able to work with them, read them or see them, it is the same thing as losing them forever, but with our help, you can restore them. How did this happen ? Especially for you, on our server was generated the secret key pair RSA-2048 - public and private. All your files were encrypted with the public key, which has been transferred to your computer via the Internet. Decrypting of your files is only possible with the help of the private key and decrypt program, which is on our secret server. What do I do ? ________________________1234____________________________________ Alas, if you do not take the necessary measures for the specified time then the conditions for obtaining the private key will be changed. If you really value your data, then we suggest you do not waste valuable time searching for other solutions because they do not exist. ________________________1234____________________________________ For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://gfhshhf.home7dfg4.com/A2AEA2530D84990 2. http://td63hftt.buwve5ton2.com/A2AEA2530D84990 3. https://tw7kaqthui5ojcez.onion.to/A2AEA2530D84990 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization. 3. Type in the address bar: tw7kaqthui5ojcez.onion/A2AEA2530D84990 4. Follow the instructions on the site. IMPORTANT INFORMATION: Your personal pages: http://gfhshhf.home7dfg4.com/A2AEA2530D84990 http://td63hftt.buwve5ton2.com/A2AEA2530D84990 https://tw7kaqthui5ojcez.onion.to/A2AEA2530D84990 Your personal page (using TOR-Browser): tw7kaqthui5ojcez.onion/A2AEA2530D84990 Your personal identification number (if you open the site (or TOR-Browser's) directly): A2AEA2530D84990
URLs

http://gfhshhf.home7dfg4.com/A2AEA2530D84990

http://td63hftt.buwve5ton2.com/A2AEA2530D84990

https://tw7kaqthui5ojcez.onion.to/A2AEA2530D84990

http://tw7kaqthui5ojcez.onion/A2AEA2530D84990

Targets

    • Target

      6f2b558e974817ff40006ddb7039c388_JaffaCakes118

    • Size

      300KB

    • MD5

      6f2b558e974817ff40006ddb7039c388

    • SHA1

      8c3e9524634a65018b1478e97f231121402b2a4f

    • SHA256

      ce68afd45e2b3448aee1d06ea8f46a5e6ca9d4d370be316e96fa720a9ab76ada

    • SHA512

      5b0d7f7bbbf450041be3a6cff9fae1737864b3b56415b6f691ae093fce27f2d9d2d38453a665d00eceeced785a9a952de0f57aa22681a76023904de06f44454b

    • SSDEEP

      6144:3LMhHA+gJaJUn86taUfuYdxmefIsx0aPZTqEgi9Ht:3LMV5BzUfHdxr9WaBuED

    Score
    10/10
    defense_evasiondiscoveryevasionexecutionimpactransomwarespywarestealer

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (415) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • 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.

      spywarestealer

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks