Analysis

  • max time kernel
    53s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    24-06-2021 00:16

General

  • Target

    f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe

  • Size

    56KB

  • MD5

    3f2cb535fc5bc296aa5b0d2897c265d0

  • SHA1

    c30358563fa940eb5cd6064d4d16defee43b0310

  • SHA256

    f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4

  • SHA512

    6fc3a98f16f4fbd2e6bd4211c35b403ed565d6b30f803e6da04e14efe018aca09719256f1e8a2c8a5763a7bac08de3be964eb6251d858df0f6261f82b3f2f7a2

Score
10/10

Malware Config

Extracted

Path

C:\\README.aeef1a75.TXT

Family

darkside

Ransom Note
----------- [ Welcome to DarkSide ] -------------> What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - universal decryptor. This program will restore all your network. Follow our instructions below and you will recover all your data. Data leak ---------------------------------------------- First of all we have downloaded more then 500GB data from your network. Included: -Accounting data -Finance data -HR -Employees confidential data(photos, benefits, taxes, etc) -Marketing -Budgets -Taxes(sales tax compliance, property, income and franchise taxes, etc) -Payrolls -Banking data -Arbitration -Scans -Insurance -Reconciliations -Reports(monthly bank inventory, monthly financial, claims reports, etc) -Audits(DHG, insurance audits, etc) -B2B clients config data -Confidentiality 2020 -2020, 2021 Business plans -2019, 2020, 2021 years Closing (full dumps) -and a lot of other sensitive data Your personal leak page: http://darksidc3iux462n6yunevoag52ntvwp6wulaz3zirkmh4cnz6hhj7id.onion/162/thedixiegroup/LCfyHRcwffrYTblpZvoPO3XDbrYPcNu0wVAsH5p49LSjBfzTmtdXT48azXFlMu7q On the page you will find examples of files that have been downloaded. The data is preloaded and will be automatically published if you do not pay. After publication, your data will be available for at least 6 months on our tor cdn servers. We are ready: - To provide you the evidence of stolen data - To delete all the stolen data. What guarantees? ---------------------------------------------- We value our reputation. If we do not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. We guarantee to decrypt one file for free. Go to the site and contact us. How to get access on website? ---------------------------------------------- Using a TOR browser: 1) Download and install TOR browser from this site: https://torproject.org/ 2) Open our website: http://dark24zz36xm4y2phwe7yvnkkkkhxionhfrwp67awpb3r3bdcneivoqd.onion/W57MRI9C7YZJUZEABBBYRQLSUTG22JZ9MAH0WT1ISHC405KP7Z2UWY3AI3J68DNM When you open our website, put the following data in the input form: Key: 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 !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!
URLs

http://darksidc3iux462n6yunevoag52ntvwp6wulaz3zirkmh4cnz6hhj7id.onion/162/thedixiegroup/LCfyHRcwffrYTblpZvoPO3XDbrYPcNu0wVAsH5p49LSjBfzTmtdXT48azXFlMu7q

http://dark24zz36xm4y2phwe7yvnkkkkhxionhfrwp67awpb3r3bdcneivoqd.onion/W57MRI9C7YZJUZEABBBYRQLSUTG22JZ9MAH0WT1ISHC405KP7Z2UWY3AI3J68DNM

Signatures

  • DarkSide

    Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.

  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 5 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Modifies Control Panel 2 IoCs
  • Modifies data under HKEY_USERS 29 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
    "C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"
    1⤵
      PID:1908
    • C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
      "C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1180
      • C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
        "C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"
        2⤵
        • Enumerates connected drives
        • Drops file in System32 directory
        • Sets desktop wallpaper using registry
        • Modifies Control Panel
        • Modifies data under HKEY_USERS
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1480
        • C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
          C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -work worker0 job0-1480
          3⤵
          • Modifies extensions of user files
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:188
        • C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
          C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -work worker1 job1-1480
          3⤵
          • Enumerates connected drives
          PID:3940
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2732

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/188-115-0x0000000000000000-mapping.dmp

    • memory/1480-114-0x0000000000000000-mapping.dmp

    • memory/3940-116-0x0000000000000000-mapping.dmp