Analysis
- max time kernel
150s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
24/04/2026, 06:41
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
classofcovid.org.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
37 signatures
150 seconds
Behavioral task
behavioral2
Sample
classofcovid.org.exe
Resource
win11-20260130-en
windows11-21h2-x64
35 signatures
150 seconds
General
- Target classofcovid.org.exe
- Size 51KB
- Sample260424-hfzfcsby4p
- SHA256 3dad0b75b8890714c4cb848706a8e149139e924ad6c6cce31480797336b297d9
- MD5 2c612b4653e55ae19f7151b98fbf35fb
- SHA1 6b92651dd1047bd1133ff1ef7c08ef05bda15258
- SHA512 f4dc779bfcc4a9c03245c0721bea140d2552411105a0a6fa1ac0c6fac796ed18ea06f1d707bc9740c41b61e8957b9b1620598fbfd44a496663e51be8869614db
- SSDEEP 1536:1YhD+YuhnY8kZmmfmmme5moyeYljSMj7R:KZeeYljSM/R
- TLSH T14E33094877ED4112E1BE8FBE95B190519331F463DD22DB8E0AD8459E09F3B44CC68B6B
- MD5 SHA1 SHA512 SSDEEP TLSH
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.
resource yara_rule behavioral2/memory/3680-0-0x0000000000860000-0x0000000000874000-memory.dmp disable_win_def behavioral2/files/0x001400000002b815-2268.dat disable_win_def -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" classofcovid.org.exe - 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.
pid Process 3864 powershell.exe - Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" classofcovid.org.exe - Disables Task Manager via registry modification
- Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts classofcovid.org.exe - Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1860 netsh.exe - Disables service(s) 3 TTPs
- Drops startup file 64 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_190.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_192.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_51.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_56.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_60.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_102.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_133.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_181.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_41.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_63.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_93.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_108.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_126.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_176.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_179.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_28.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_69.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_149.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_184.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_139.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_141.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_142.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_144.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_158.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_106.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_110.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_112.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_40.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_94.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_123.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_146.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_186.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_109.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_5.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_36.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_46.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_57.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_76.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_86.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_12.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_47.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_72.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_99.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_108.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_150.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_157.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_1.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_50.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_53.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_159.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_4.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_11.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_92.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_100.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_107.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_139.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_166.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_195.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_13.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_16.pdf classofcovid.org.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_47.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_52.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_54.pdf classofcovid.org.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_58.pdf classofcovid.org.exe - 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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\classofcovid.org.exe" classofcovid.org.exe Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\classofcovid.org.exe" classofcovid.org.exe - Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\system32\sysupdate.exe classofcovid.org.exe File created C:\Windows\system32\svchost.exe classofcovid.org.exe File created C:\Windows\system32\sysupdate.exe classofcovid.org.exe - Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 4132 tasklist.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp" classofcovid.org.exe - Launches sc.exe 10 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 604 sc.exe 4660 sc.exe 4968 sc.exe 4312 sc.exe 3676 sc.exe 3392 sc.exe 3192 sc.exe 2532 sc.exe 1092 sc.exe 5000 sc.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe - Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 3272 NETSTAT.EXE 4784 ipconfig.exe - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 3588 systeminfo.exe - Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2268 vssadmin.exe 4964 vssadmin.exe - Modifies Control Panel 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000\Control Panel\Desktop\WallpaperStyle = "2" classofcovid.org.exe - Modifies data under HKEY_USERS 15 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "79" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe - Modifies registry class 16 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell\open\command classofcovid.org.exe Key deleted \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell classofcovid.org.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet classofcovid.org.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\classofcovid.org.exe\" \"%1\"" classofcovid.org.exe Key created \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings classofcovid.org.exe Key created \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell classofcovid.org.exe Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\classofcovid.org.exe" classofcovid.org.exe Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell\open\command\DelegateExecute classofcovid.org.exe Key deleted \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings classofcovid.org.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open classofcovid.org.exe Key created \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell\open classofcovid.org.exe Key deleted \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell\open\command classofcovid.org.exe Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\.pdf\ = "PDFBotnet" classofcovid.org.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command classofcovid.org.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell classofcovid.org.exe Key deleted \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000_Classes\ms-settings\shell\open classofcovid.org.exe - 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.
pid Process 616 schtasks.exe 3184 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3864 powershell.exe 3864 powershell.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe 3680 classofcovid.org.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 5100 LogonUI.exe Token: SeCreatePagefilePrivilege 5100 LogonUI.exe Token: SeDebugPrivilege 3680 classofcovid.org.exe Token: SeDebugPrivilege 3864 powershell.exe Token: SeIncBasePriorityPrivilege 3680 classofcovid.org.exe Token: SeDebugPrivilege 3272 NETSTAT.EXE Token: SeDebugPrivilege 2992 whoami.exe Token: SeDebugPrivilege 4132 tasklist.exe Token: SeBackupPrivilege 1676 vssvc.exe Token: SeRestorePrivilege 1676 vssvc.exe Token: SeAuditPrivilege 1676 vssvc.exe Token: SeIncreaseQuotaPrivilege 1524 WMIC.exe Token: SeSecurityPrivilege 1524 WMIC.exe Token: SeTakeOwnershipPrivilege 1524 WMIC.exe Token: SeLoadDriverPrivilege 1524 WMIC.exe Token: SeSystemProfilePrivilege 1524 WMIC.exe Token: SeSystemtimePrivilege 1524 WMIC.exe Token: SeProfSingleProcessPrivilege 1524 WMIC.exe Token: SeIncBasePriorityPrivilege 1524 WMIC.exe Token: SeCreatePagefilePrivilege 1524 WMIC.exe Token: SeBackupPrivilege 1524 WMIC.exe Token: SeRestorePrivilege 1524 WMIC.exe Token: SeShutdownPrivilege 1524 WMIC.exe Token: SeDebugPrivilege 1524 WMIC.exe Token: SeSystemEnvironmentPrivilege 1524 WMIC.exe Token: SeRemoteShutdownPrivilege 1524 WMIC.exe Token: SeUndockPrivilege 1524 WMIC.exe Token: SeManageVolumePrivilege 1524 WMIC.exe Token: 33 1524 WMIC.exe Token: 34 1524 WMIC.exe Token: 35 1524 WMIC.exe Token: 36 1524 WMIC.exe Token: SeIncreaseQuotaPrivilege 1524 WMIC.exe Token: SeSecurityPrivilege 1524 WMIC.exe Token: SeTakeOwnershipPrivilege 1524 WMIC.exe Token: SeLoadDriverPrivilege 1524 WMIC.exe Token: SeSystemProfilePrivilege 1524 WMIC.exe Token: SeSystemtimePrivilege 1524 WMIC.exe Token: SeProfSingleProcessPrivilege 1524 WMIC.exe Token: SeIncBasePriorityPrivilege 1524 WMIC.exe Token: SeCreatePagefilePrivilege 1524 WMIC.exe Token: SeBackupPrivilege 1524 WMIC.exe Token: SeRestorePrivilege 1524 WMIC.exe Token: SeShutdownPrivilege 1524 WMIC.exe Token: SeDebugPrivilege 1524 WMIC.exe Token: SeSystemEnvironmentPrivilege 1524 WMIC.exe Token: SeRemoteShutdownPrivilege 1524 WMIC.exe Token: SeUndockPrivilege 1524 WMIC.exe Token: SeManageVolumePrivilege 1524 WMIC.exe Token: 33 1524 WMIC.exe Token: 34 1524 WMIC.exe Token: 35 1524 WMIC.exe Token: 36 1524 WMIC.exe Token: SeIncreaseQuotaPrivilege 1204 WMIC.exe Token: SeSecurityPrivilege 1204 WMIC.exe Token: SeTakeOwnershipPrivilege 1204 WMIC.exe Token: SeLoadDriverPrivilege 1204 WMIC.exe Token: SeSystemProfilePrivilege 1204 WMIC.exe Token: SeSystemtimePrivilege 1204 WMIC.exe Token: SeProfSingleProcessPrivilege 1204 WMIC.exe Token: SeIncBasePriorityPrivilege 1204 WMIC.exe Token: SeCreatePagefilePrivilege 1204 WMIC.exe Token: SeBackupPrivilege 1204 WMIC.exe Token: SeRestorePrivilege 1204 WMIC.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3680 classofcovid.org.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5100 LogonUI.exe 3680 classofcovid.org.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3680 wrote to memory of 3864 3680 classofcovid.org.exe 80 PID 3680 wrote to memory of 4312 3680 classofcovid.org.exe 82 PID 3680 wrote to memory of 3676 3680 classofcovid.org.exe 84 PID 3680 wrote to memory of 1092 3680 classofcovid.org.exe 86 PID 3680 wrote to memory of 5000 3680 classofcovid.org.exe 88 PID 3680 wrote to memory of 3392 3680 classofcovid.org.exe 90 PID 3680 wrote to memory of 3192 3680 classofcovid.org.exe 92 PID 3680 wrote to memory of 604 3680 classofcovid.org.exe 94 PID 3680 wrote to memory of 4660 3680 classofcovid.org.exe 96 PID 3680 wrote to memory of 4176 3680 classofcovid.org.exe 98 PID 4176 wrote to memory of 4696 4176 fodhelper.exe 99 PID 3680 wrote to memory of 4688 3680 classofcovid.org.exe 101 PID 3680 wrote to memory of 616 3680 classofcovid.org.exe 102 PID 3680 wrote to memory of 3988 3680 classofcovid.org.exe 106 PID 3680 wrote to memory of 4992 3680 classofcovid.org.exe 107 PID 3680 wrote to memory of 1284 3680 classofcovid.org.exe 109 PID 3680 wrote to memory of 3428 3680 classofcovid.org.exe 110 PID 3680 wrote to memory of 3456 3680 classofcovid.org.exe 111 PID 3680 wrote to memory of 1728 3680 classofcovid.org.exe 112 PID 3680 wrote to memory of 540 3680 classofcovid.org.exe 113 PID 3680 wrote to memory of 3184 3680 classofcovid.org.exe 115 PID 3680 wrote to memory of 3908 3680 classofcovid.org.exe 122 PID 3680 wrote to memory of 492 3680 classofcovid.org.exe 123 PID 540 wrote to memory of 3272 540 cmd.exe 124 PID 3428 wrote to memory of 2992 3428 cmd.exe 125 PID 4992 wrote to memory of 3588 4992 cmd.exe 126 PID 3988 wrote to memory of 2268 3988 cmd.exe 127 PID 3456 wrote to memory of 3388 3456 cmd.exe 128 PID 1728 wrote to memory of 4784 1728 cmd.exe 129 PID 1284 wrote to memory of 4132 1284 cmd.exe 130 PID 3388 wrote to memory of 3472 3388 net.exe 132 PID 3680 wrote to memory of 4964 3680 classofcovid.org.exe 133 PID 3680 wrote to memory of 1524 3680 classofcovid.org.exe 136 PID 3680 wrote to memory of 2676 3680 classofcovid.org.exe 137 PID 3680 wrote to memory of 1860 3680 classofcovid.org.exe 138 PID 3680 wrote to memory of 4968 3680 classofcovid.org.exe 139 PID 3680 wrote to memory of 2532 3680 classofcovid.org.exe 145 PID 2676 wrote to memory of 1476 2676 net.exe 149 PID 3988 wrote to memory of 1204 3988 cmd.exe 150 - 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
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C:\Users\Admin\AppData\Local\Temp\classofcovid.org.exe"C:\Users\Admin\AppData\Local\Temp\classofcovid.org.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
PID:3680 -
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
PID:3864
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop wscsvc2⤵
- Launches sc.exe
PID:4312
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config wscsvc start= disabled2⤵
- Launches sc.exe
PID:3676
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop SecurityHealthService2⤵
- Launches sc.exe
PID:1092
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled2⤵
- Launches sc.exe
PID:5000
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop WinDefend2⤵
- Launches sc.exe
PID:3392
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config WinDefend start= disabled2⤵
- Launches sc.exe
PID:3192
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop MsMpSvc2⤵
- Launches sc.exe
PID:604
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config MsMpSvc start= disabled2⤵
- Launches sc.exe
PID:4660
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C:\Windows\System32\fodhelper.exe"C:\Windows\System32\fodhelper.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4176 -
C:\Users\Admin\AppData\Local\Temp\classofcovid.org.exe"C:\Users\Admin\AppData\Local\Temp\classofcovid.org.exe"3⤵PID:4696
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs2⤵PID:4688
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\classofcovid.org.exe" /sc onlogon /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:616
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\del.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2268
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1204
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Windows\system32\systeminfo.exesysteminfo3⤵
- Gathers system information
PID:3588
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:1284 -
C:\Windows\system32\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:4132
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:3428 -
C:\Windows\system32\whoami.exewhoami3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2992
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:3456 -
C:\Windows\system32\net.exenet user3⤵
- Suspicious use of WriteProcessMemory
PID:3388 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user4⤵PID:3472
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:4784
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Windows\system32\NETSTAT.EXEnetstat -an3⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:3272
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\classofcovid.org.exe" /sc daily /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:3184
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs2⤵PID:3908
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C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe"2⤵PID:492
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C:\Windows\System32\vssadmin.exe"C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet2⤵
- Interacts with shadow copies
PID:4964
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C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1524
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C:\Windows\System32\net.exe"C:\Windows\System32\net.exe" stop srservice2⤵
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop srservice3⤵PID:1476
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C:\Windows\System32\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall set allprofiles state off2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:1860
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config i8042prt start= disabled2⤵
- Launches sc.exe
PID:4968
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop i8042prt2⤵
- Launches sc.exe
PID:2532
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3a12055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5100
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C:\Users\Admin\AppData\Local\Temp\classofcovid.org.exeC:\Users\Admin\AppData\Local\Temp\classofcovid.org.exe1⤵PID:3104
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1676
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
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Downloads
- Path C:\ProgramData\invoice_1.pdf
- Size 69KB
- SHA256 c4aebd921da8217b866f699cd6ab3dee0bf204a29485f6c16d1e18f02f66ecea
- MD5 30a85f835e9d7499af07316e32a24cb1
- SHA1 83c0fd0df22cb9891bfbeafdfba31c0316dc06bc
- SHA512 fcbf2b9be6cd88c9b46e81e9a80dc774015ce74b51ca1af6393215293da55975a4daa7804cb3ea3e8f9ef6c5f37d1fb46ab00f50b5e989109fad64f259ead22d
- SSDEEP 1536:R3PIB0d9vnV1TBp2tm9GEMY3BiTVD9ZGVhFoCxjXQQd7+ueieJzeyLswFl:RNn19p2A/MY3oDX6oCtXQQl+uLUzNswv
- TLSH T1A66329368B23FDC1A77F2D80F15439921C483A6797B4166CFBC51E9928E2248DF2E59C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\SystemVolumeInformation\doc_3.pdf
- Size 68KB
- SHA256 b27528a96dd025ca53d60383093819c039feb5ca5168e6e858104433835fc36b
- MD5 d2cd77804a63d2c8e0338f9d90af4b13
- SHA1 33efb7feb28a13b775a958bb2d0b0f532920ace1
- SHA512 d39b5638f3cc66b830eeba97e162d630a8121881cf983ff9246d1f58143218e968d931e8460c6fff044d8a7f21037e83f55cb1d0a0f17c7d25936455f3347a45
- SSDEEP 1536:x3PIB0d9vnV1TBp2tm9GEMY3BiTVD9ZGVhFoCxjXQQd7+ueieJzeyLswFk:xNn19p2A/MY3oDX6oCtXQQl+uLUzNswO
- TLSH T1FD6318368B23FDC1677F2D80E06439521C483A6797B5266CFBC51E9928E2248DF2E59C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\classofcovid.org.exe.log
- Size 660B
- SHA256 0e692bcbba51ca4e766a427c9f28a7a4a9e326d2cf835493e57a9dc2121326b5
- MD5 284393596fdd49bebd7b861bf339b82d
- SHA1 a36767dfc423b3c7fd3ff439b616862743a053c8
- SHA512 8d3247ee0c3bf9a9fceea23eb5c646dbd8b3d954f4d62622f49070629e642d6a13bfb0d27949e2355c081d45f5a1101f05a9972782a0f0a478ed90f551d2efeb
- TLSH T1BD0144703376A0D889263F820C2E52C857BF433AA150AD18B998628DED3601B6B212E7
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sqyfqrql.4px.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
- Size 241B
- SHA256 47cdb6378411c247d944240acb12e2ea901026f051929e767792381218e1395e
- MD5 cde4134fedfa425ef1644db26f741934
- SHA1 c69d57c99c5e4b297323b1b81ccdd1a912a8287c
- SHA512 cf91619273be97071706241cb36d01b2e155f9e9992f9409d57f94f1ab9f507bb64b18067d846d0928170f8246f00f0317f23cd5eaa80a664fab7bc660239de6
- TLSH T179D0A78BB149C6BA0105523B81F38D8DE9F548683B13BE704AA5DD4D36908948AF6443
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\del.bat
- Size 59B
- SHA256 a51f2a0f053ac35b4158bb02b75421ab3698e1d0ee4f926abf1bae3af1570c53
- MD5 9cecbebdcdd60358132849714a3b82f7
- SHA1 be6e20834a5726f3742f05e6bdfaff16118b147f
- SHA512 7b48bd66b4c741d2de2e8b7bc0eab8f438ddc1ed0c73e8b70add9bee400f6640f692884965032616e2d6911a22a17d1d3762421aa49fe021660c9052cfc0675a
- TLSH T13DA002620F961E5469529E5AD73425239D1F104CD1390012F05232903DA98DE0EC2144
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
- Size 242B
- SHA256 3dd334e7737e103292b07b49f958969446bbfc59a9fa029a126cd1b0c889c179
- MD5 7a73fc549716ae04158ddc21f7b4cb4b
- SHA1 ef9c3cdba580cb3deaf532b6ac2eaa0bb7a78a82
- SHA512 1c010bc286b36d46f43e44ff203e5c5300b92317630ef00d544aca76cdcc2800e5849bfe1825d91791bfa89eda4abbc2594edc6593f923a87053ff406c7e43aa
- TLSH T14ED0A78BB149C6BA0105523B81F38D8DEAF148683B13BE309AA5DD0E36908948AF6443
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\System32\sysupdate.exe
- Size 51KB
- SHA256 3dad0b75b8890714c4cb848706a8e149139e924ad6c6cce31480797336b297d9
- MD5 2c612b4653e55ae19f7151b98fbf35fb
- SHA1 6b92651dd1047bd1133ff1ef7c08ef05bda15258
- SHA512 f4dc779bfcc4a9c03245c0721bea140d2552411105a0a6fa1ac0c6fac796ed18ea06f1d707bc9740c41b61e8957b9b1620598fbfd44a496663e51be8869614db
- SSDEEP 1536:1YhD+YuhnY8kZmmfmmme5moyeYljSMj7R:KZeeYljSM/R
- TLSH T14E33094877ED4112E1BE8FBE95B190519331F463DD22DB8E0AD8459E09F3B44CC68B6B
- MD5 SHA1 SHA512 SSDEEP TLSH