Analysis

  • max time kernel
    139s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-04-2024 10:11

General

  • Target

    f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe

  • Size

    56KB

  • MD5

    3f2cb535fc5bc296aa5b0d2897c265d0

  • SHA1

    c30358563fa940eb5cd6064d4d16defee43b0310

  • SHA256

    f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4

  • SHA512

    6fc3a98f16f4fbd2e6bd4211c35b403ed565d6b30f803e6da04e14efe018aca09719256f1e8a2c8a5763a7bac08de3be964eb6251d858df0f6261f82b3f2f7a2

  • SSDEEP

    768:piN4q1eksgR4SiI+rxQ3rjFrXRRWxXyw/Afy8fIaJ/ZB49j9xOOLC9kvAx0:g4HHerjZX7pLjJKjSO+i

Score
10/10

Malware Config

Extracted

Path

C:\Recovery\README.f9454860.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.

  • Renames multiple (176) files with added filename extension

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

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in System32 directory 14 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Modifies Control Panel 2 IoCs
  • Modifies data under HKEY_USERS 40 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
    "C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"
    1⤵
      PID:2708
    • C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
      "C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2860
      • C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
        "C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"
        2⤵
        • 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:2932
        • C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
          C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -work worker0 job0-2932
          3⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:3324
        • C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
          C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -work worker1 job1-2932
          3⤵
          • Enumerates connected drives
          PID:4084
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2620

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Recovery\README.f9454860.TXT

      Filesize

      3KB

      MD5

      164aa420be8e0c2bcdef574355edaa32

      SHA1

      4336eaafedfc18a27cdf42bffad63b5a54ea8231

      SHA256

      b326d11dd90c2e4efb0a384981f71c2bd1a6faa0553d6389acb08945b699f73d

      SHA512

      fd1437bc4f45e3f4b5c3d0e7fca9383f45edceb5c8cb603d0b8ee98350a5f2468c2aabdb66f16bdee0bac49afefa4300a093a54ee43b1ff28a541ae612e34d9d