chaos | a8054338891db7231f9885ca0d3bc90a651c63878ff603ede5c3efafa7e25254

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
13/09/2026, 13:08

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General

Target
TrojanRansomCovid29.exe
Size 542KB
Sample260913-qdcsksthld
SHA256 a8054338891db7231f9885ca0d3bc90a651c63878ff603ede5c3efafa7e25254
MD5 9f0563f2faaf6b9a0f7b3cf058ac80b6
SHA1 244e0ff0a5366c1607f104e7e7af4949510226ec
SHA512 40cdf4c754977e60c233417e42a62be02f9b5bfe239c0378664c28757ce6ce1fc3b91b83d6ef6bb184c4d831761f57a07255526d12a3a955c3b473bddb97f4c9
SSDEEP 12288:xBv407Pg09KyclZbmoYsp8L/0C7Cvb3p62STTzfGGz9oSzrfI:xh5rgjycXbm0K/EzQl/xDrfI
TLSH
T143C4BF202FCDDE55F38BD8F86278AA4CD457DD6903AB4021DE7FA42A933DF94795A001
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

bootkit defense_evasion discovery evasion execution chaos impact persistence privilege_escalation ransomware spyware stealer trojan upx

Malware Config

Signatures

Family: Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 4 IoCs

resource	yara_rule
behavioral1/files/0x0007000000024553-25.dat	family_chaos
behavioral1/memory/5204-33-0x0000000000E60000-0x0000000000E80000-memory.dmp	family_chaos
behavioral1/memory/5532-46-0x0000000000400000-0x00000000005D5000-memory.dmp	family_chaos
behavioral1/memory/5532-51-0x0000000000400000-0x00000000005D5000-memory.dmp	family_chaos

UAC bypass 3 TTPs 2 IoCs

defense_evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

T1490

pid	Process
368	bcdedit.exe
5596	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

T1490

pid	Process
5284	wbadmin.exe

Disables Task Manager via registry modification
defense_evasion

Checks computer location settings 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation	Cov29Cry.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation	svchost.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation	TrojanRansomCovid29.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation	cmd.exe

Creates a file in the Startup directory 1 TTPs 3 IoCs

A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

persistence privilege_escalation

Registry Run Keys / Startup Folder

T1547.001

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
3668	mbr.exe
5204	Cov29Cry.exe
1276	svchost.exe
5052	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\Admin\Pictures\Saved Pictures\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\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\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\Administrative Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\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\Libraries\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\Music\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\Start Menu\Programs\Maintenance\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\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\Recent\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\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	F:\$RECYCLE.BIN\S-1-5-21-2091445952-3649787497-104050984-1000\desktop.ini	svchost.exe

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

Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs

execution

Visual Basic

T1059.005

pid	Process
1704	WScript.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ooqdoxev6.jpg"	svchost.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5532-0-0x0000000000400000-0x00000000005D5000-memory.dmp	upx
behavioral1/memory/5532-46-0x0000000000400000-0x00000000005D5000-memory.dmp	upx
behavioral1/memory/5532-51-0x0000000000400000-0x00000000005D5000-memory.dmp	upx

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 4 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
5704	cmd.exe
3704	cmd.exe
2096	cmd.exe
6104	cmd.exe

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.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	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	shutdown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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
4964	PING.EXE
5868	PING.EXE

Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\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_DADY&PROD_HL-DT-ST_DVD+-RW\4&215468A5&0&010000	vds.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

T1490

Direct Volume Access

T1006

pid	Process
3376	vssadmin.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
5456	taskkill.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000_Classes\Local Settings	svchost.exe

Modifies registry key 1 TTPs 7 IoCs

Modify Registry

T1112

pid	Process
5740	reg.exe
3772	reg.exe
1780	reg.exe
5608	reg.exe
5352	reg.exe
3824	reg.exe
1724	reg.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
4964	PING.EXE
5868	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1276	svchost.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
5204	Cov29Cry.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe
1276	svchost.exe

Suspicious use of AdjustPrivilegeToken 53 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2960	shutdown.exe
Token: SeRemoteShutdownPrivilege	2960	shutdown.exe
Token: SeDebugPrivilege	5204	Cov29Cry.exe
Token: SeDebugPrivilege	1276	svchost.exe
Token: SeDebugPrivilege	5456	taskkill.exe
Token: SeBackupPrivilege	3452	vssvc.exe
Token: SeRestorePrivilege	3452	vssvc.exe
Token: SeAuditPrivilege	3452	vssvc.exe
Token: SeIncreaseQuotaPrivilege	4948	WMIC.exe
Token: SeSecurityPrivilege	4948	WMIC.exe
Token: SeTakeOwnershipPrivilege	4948	WMIC.exe
Token: SeLoadDriverPrivilege	4948	WMIC.exe
Token: SeSystemProfilePrivilege	4948	WMIC.exe
Token: SeSystemtimePrivilege	4948	WMIC.exe
Token: SeProfSingleProcessPrivilege	4948	WMIC.exe
Token: SeIncBasePriorityPrivilege	4948	WMIC.exe
Token: SeCreatePagefilePrivilege	4948	WMIC.exe
Token: SeBackupPrivilege	4948	WMIC.exe
Token: SeRestorePrivilege	4948	WMIC.exe
Token: SeShutdownPrivilege	4948	WMIC.exe
Token: SeDebugPrivilege	4948	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4948	WMIC.exe
Token: SeRemoteShutdownPrivilege	4948	WMIC.exe
Token: SeUndockPrivilege	4948	WMIC.exe
Token: SeManageVolumePrivilege	4948	WMIC.exe
Token: 33	4948	WMIC.exe
Token: 34	4948	WMIC.exe
Token: 35	4948	WMIC.exe
Token: 36	4948	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4948	WMIC.exe
Token: SeSecurityPrivilege	4948	WMIC.exe
Token: SeTakeOwnershipPrivilege	4948	WMIC.exe
Token: SeLoadDriverPrivilege	4948	WMIC.exe
Token: SeSystemProfilePrivilege	4948	WMIC.exe
Token: SeSystemtimePrivilege	4948	WMIC.exe
Token: SeProfSingleProcessPrivilege	4948	WMIC.exe
Token: SeIncBasePriorityPrivilege	4948	WMIC.exe
Token: SeCreatePagefilePrivilege	4948	WMIC.exe
Token: SeBackupPrivilege	4948	WMIC.exe
Token: SeRestorePrivilege	4948	WMIC.exe
Token: SeShutdownPrivilege	4948	WMIC.exe
Token: SeDebugPrivilege	4948	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4948	WMIC.exe
Token: SeRemoteShutdownPrivilege	4948	WMIC.exe
Token: SeUndockPrivilege	4948	WMIC.exe
Token: SeManageVolumePrivilege	4948	WMIC.exe
Token: 33	4948	WMIC.exe
Token: 34	4948	WMIC.exe
Token: 35	4948	WMIC.exe
Token: 36	4948	WMIC.exe
Token: SeBackupPrivilege	116	wbengine.exe
Token: SeRestorePrivilege	116	wbengine.exe
Token: SeSecurityPrivilege	116	wbengine.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5052	Cov29LockScreen.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 5532 wrote to memory of 5704	5532	TrojanRansomCovid29.exe	89
PID 5704 wrote to memory of 1704	5704	cmd.exe	92
PID 5704 wrote to memory of 4964	5704	cmd.exe	93
PID 5704 wrote to memory of 5740	5704	cmd.exe	94
PID 5704 wrote to memory of 3772	5704	cmd.exe	95
PID 5704 wrote to memory of 1780	5704	cmd.exe	96
PID 5704 wrote to memory of 5608	5704	cmd.exe	97
PID 5704 wrote to memory of 5352	5704	cmd.exe	98
PID 5704 wrote to memory of 3824	5704	cmd.exe	99
PID 5704 wrote to memory of 1724	5704	cmd.exe	100
PID 5704 wrote to memory of 3668	5704	cmd.exe	101
PID 5704 wrote to memory of 5204	5704	cmd.exe	102
PID 5704 wrote to memory of 2960	5704	cmd.exe	103
PID 5704 wrote to memory of 5868	5704	cmd.exe	105
PID 5204 wrote to memory of 1276	5204	Cov29Cry.exe	107
PID 5704 wrote to memory of 5456	5704	cmd.exe	108
PID 5704 wrote to memory of 5052	5704	cmd.exe	110
PID 1276 wrote to memory of 3704	1276	svchost.exe	111
PID 3704 wrote to memory of 3376	3704	cmd.exe	113
PID 3704 wrote to memory of 4948	3704	cmd.exe	116
PID 1276 wrote to memory of 2096	1276	svchost.exe	117
PID 2096 wrote to memory of 368	2096	cmd.exe	119
PID 2096 wrote to memory of 5596	2096	cmd.exe	120
PID 1276 wrote to memory of 6104	1276	svchost.exe	121
PID 6104 wrote to memory of 5284	6104	cmd.exe	123
PID 1276 wrote to memory of 3924	1276	svchost.exe	127

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:\Users\Admin\AppData\Local\Temp\TrojanRansomCovid29.exe
"C:\Users\Admin\AppData\Local\Temp\TrojanRansomCovid29.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5532
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8C0E.tmp\TrojanRansomCovid29.bat" "
  2⤵
  - Checks computer location settings
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:5704
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\8C0E.tmp\fakeerror.vbs"
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    - System Location Discovery: System Language Discovery
    PID:1704
- - 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:4964
- - 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:5740
- - 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:3772
- - 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:1780
- - 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:5608
- - 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:5352
- - 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:3824
- - 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:1724
- - C:\Users\Admin\AppData\Local\Temp\8C0E.tmp\mbr.exe
    mbr.exe
    3⤵
    - Executes dropped EXE
    - Writes to the Master Boot Record (MBR)
    - System Location Discovery: System Language Discovery
    PID:3668
- - C:\Users\Admin\AppData\Local\Temp\8C0E.tmp\Cov29Cry.exe
    Cov29Cry.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:5204
  - - C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      4⤵
      Checks computer location settings
      Creates a file in the Startup directory
      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
      Suspicious use of WriteProcessMemory
      PID:1276
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
        5⤵
        Executes a command shell one-liner
        Suspicious use of WriteProcessMemory
        
        PID:3704
      - C:\Windows\system32\vssadmin.exe
        
        vssadmin delete shadows /all /quiet
        6⤵
        Interacts with shadow copies
        
        PID:3376
      - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4948
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
        5⤵
        Executes a command shell one-liner
        Suspicious use of WriteProcessMemory
        
        PID:2096
      - C:\Windows\system32\bcdedit.exe
        
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        6⤵
        Modifies boot configuration data using bcdedit
        
        PID:368
      - C:\Windows\system32\bcdedit.exe
        
        bcdedit /set {default} recoveryenabled no
        6⤵
        Modifies boot configuration data using bcdedit
        
        PID:5596
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        5⤵
        Executes a command shell one-liner
        Suspicious use of WriteProcessMemory
        
        PID:6104
      - C:\Windows\system32\wbadmin.exe
        
        wbadmin delete catalog -quiet
        6⤵
        Deletes backup catalog
        
        PID:5284
    - - C:\Windows\system32\NOTEPAD.EXE
        
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\covid29-is-here.txt
        5⤵
        
        PID:3924
- - 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:2960
- - 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:5868
- - 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:5456
- - C:\Users\Admin\AppData\Local\Temp\8C0E.tmp\Cov29LockScreen.exe
    Cov29LockScreen.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:5052

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:116

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:3532

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
- Checks SCSI registry key(s)
PID:5460

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Visual Basic

T1059.005

Windows Command Shell

T1059.003

Windows Management Instrumentation

T1047

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

T1112

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

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

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

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

Cov29Cry.exe.death

Path C:\Users\Admin\AppData\Local\Temp\8C0E.tmp\Cov29Cry.exe.death
Size 103KB
SHA256 b4f78ff66dc3f5f8ddd694166e6b596d533830792f9b5f1634d3f5f17d6a884a
MD5 8bcd083e16af6c15e14520d5a0bd7e6a
SHA1 c4d2f35d1fdb295db887f31bbc9237ac9263d782
SHA512 35999577be0626b50eeab65b493d48af2ab42b699f7241d2780647bf7d72069216d99f5f708337a109e79b9c9229613b8341f44c6d96245fd1f3ac9f05814d6a
SSDEEP 3072:H3kyzZr9SE9RmXjSPjXvyT2cQf8WhjTRqvM:N1r9SELZDv25iVly
TLSH
T139A311243AEA9029F1B3AF755FE875DBDE6FBB733A06941D2081030B4623A41DD9163D
MD5 SHA1 SHA512 SSDEEP TLSH

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Cov29LockScreen.exe

Path C:\Users\Admin\AppData\Local\Temp\8C0E.tmp\Cov29LockScreen.exe
Size 48KB
SHA256 6cde4a9f109ae5473703c4f5962f43024d71d2138cbd889223283e7b71e5911c
MD5 f724c6da46dc54e6737db821f9b62d77
SHA1 e35d5587326c61f4d7abd75f2f0fc1251b961977
SHA512 6f83dd7821828771a9cae34881c611522f6b5a567f5832f9e4b9b4b59bf495f40ad78678bd86cba59d32ea8644b4aa5f052552774fea142b9d6da625b55b6afc
SSDEEP 768:/PjjisU9FR4GNO9OCo0/E9bx0MpO5oO4A2K8iYBo:/Pjjiz9FCrTGfmoOTrD
TLSH
T10023C002D66DAC70FB478BBB9D2393E64499ECE154541ABB38443B3F58F0D92BA503D0
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

TrojanRansomCovid29.bat

Path C:\Users\Admin\AppData\Local\Temp\8C0E.tmp\TrojanRansomCovid29.bat
Size 1KB
SHA256 b82e64e533789c639d8e193b78e06fc028ea227f55d7568865120be080179afc
MD5 57f0432c8e31d4ff4da7962db27ef4e8
SHA1 d5023b3123c0b7fae683588ac0480cd2731a0c5e
SHA512 bc082486503a95f8e2ce7689d31423386a03054c5e8e20e61250ca7b7a701e98489f5932eba4837e05ec935057f18633798a10f6f84573a95fcf086ee7cabcbf
TLSH
T15F2110306A02C15BEAE177A0820F1912EB77B38E7404574A59AF2035901FE88C23C6EB
MD5 SHA1 SHA512 TLSH

Submit Download

fakeerror.vbs

Path C:\Users\Admin\AppData\Local\Temp\8C0E.tmp\fakeerror.vbs
Size 144B
SHA256 f2571f03eb9d5ee4dca29a8fec1317ded02973c5dd233d582f56cebe98544f22
MD5 c0437fe3a53e181c5e904f2d13431718
SHA1 44f9547e7259a7fb4fe718e42e499371aa188ab6
SHA512 a6b488fc74dc69fc4227f92a06deb297d19cd54b0e07659f9c9a76ce15d1ef1d8fa4d607acdd03d30d3e2be2a0f59503e27fc95f03f3006e137fa2f92825e7e3
TLSH
T1C1C02B583BE0C44506D253D843005297C117FD5C370781547C28403F5421BD0C0DC9F8
MD5 SHA1 SHA512 TLSH

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mbr.exe.danger

Path C:\Users\Admin\AppData\Local\Temp\8C0E.tmp\mbr.exe.danger
Size 1.3MB
SHA256 9ac99df89c676a55b48de00384506f4c232c75956b1e465f7fe437266002655e
MD5 35af6068d91ba1cc6ce21b461f242f94
SHA1 cb054789ff03aa1617a6f5741ad53e4598184ffa
SHA512 136e3066c6e44af30691bcd76d9af304af0edf69f350211cf74d6713c4c952817a551757194b71c3b49ac3f87a6f0aa88fb80eb1e770d0f0dd82b29bfce80169
SSDEEP 24576:LT3LlvRiQNGYXCI+b1w30WgvZef6YhuQ5O3h3JMtbu:7XNGDIu8NyMtbu
TLSH
T113550A93AACB0DB2DDE327F055C753766338DE208A26CF6BE608C5369E936C56C49701
MD5 SHA1 SHA512 SSDEEP TLSH

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covid29-is-here.txt

Path C:\Users\Admin\Desktop\covid29-is-here.txt
Size 861B
SHA256 dd5b3d185ae1809407e7822de4fced945115b48cc33b2950a8da9ebd77a68c52
MD5 c53dee51c26d1d759667c25918d3ed10
SHA1 da194c2de15b232811ba9d43a46194d9729507f0
SHA512 da41cef03f1b5f21a1fca2cfbf1b2b180c261a75d391be3a1ba36e8d4d4aefab8db024391bbee06b99de0cb0b8eb8c89f2a304c27e20c0af171b77db33b2d12c
TLSH
T1FD11E31FBB99571900A0A38173AC9061FD07776DC5A28F959C5DC33413E1B1A14F893D
MD5 SHA1 SHA512 TLSH

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memory/3668-31-0x0000000000400000-0x00000000004D8000-memory.dmp

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memory/5204-33-0x0000000000E60000-0x0000000000E80000-memory.dmp

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memory/5532-0-0x0000000000400000-0x00000000005D5000-memory.dmp

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memory/5532-46-0x0000000000400000-0x00000000005D5000-memory.dmp

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memory/5532-51-0x0000000000400000-0x00000000005D5000-memory.dmp

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