chaos | 99b88ce97064536c370e630245018b15bf87c0c1113e2c4c95bfb7dc1078b647

pid	Process
4656	bcdedit.exe
828	bcdedit.exe

Deletes backup catalog 3 TTPs 1 IoCs

Uses wbadmin.exe to inhibit system recovery.

Command and Scripting Interpreter

T1059

File Deletion

T1070.004

Inhibit System Recovery

pid	Process
4024	wbadmin.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	Version 2.8.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\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\read_it.txt	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4992	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\Links\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\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\AccountPictures\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\Searches\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\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\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\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\OneDrive\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\Admin\Favorites\Links\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\Public\Documents\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\Internet Explorer\Quick Launch\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-1497073144-2389943819-3385106915-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\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\Recent\desktop.ini	svchost.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bhrtkej1b.jpg"	svchost.exe

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

System Information Discovery
T1082

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\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	vds.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000	vds.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\FriendlyName	vds.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	vds.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Interacts with shadow copies 2 TTPs 1 IoCs

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

File Deletion

T1070.004

Inhibit System Recovery

pid	Process
4732	vssadmin.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000_Classes\Local Settings	svchost.exe

Opens file in notepad (likely ransom note) 1 IoCs

pid	Process
1836	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 3 IoCs

pid	Process
4992	svchost.exe
2252	WINWORD.EXE
2252	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 51 IoCs

pid	Process
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
1620	Version 2.8.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe
4992	svchost.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	Version 2.8.exe
Token: SeDebugPrivilege	4992	svchost.exe
Token: SeBackupPrivilege	3996	vssvc.exe
Token: SeRestorePrivilege	3996	vssvc.exe
Token: SeAuditPrivilege	3996	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2200	WMIC.exe
Token: SeSecurityPrivilege	2200	WMIC.exe
Token: SeTakeOwnershipPrivilege	2200	WMIC.exe
Token: SeLoadDriverPrivilege	2200	WMIC.exe
Token: SeSystemProfilePrivilege	2200	WMIC.exe
Token: SeSystemtimePrivilege	2200	WMIC.exe
Token: SeProfSingleProcessPrivilege	2200	WMIC.exe
Token: SeIncBasePriorityPrivilege	2200	WMIC.exe
Token: SeCreatePagefilePrivilege	2200	WMIC.exe
Token: SeBackupPrivilege	2200	WMIC.exe
Token: SeRestorePrivilege	2200	WMIC.exe
Token: SeShutdownPrivilege	2200	WMIC.exe
Token: SeDebugPrivilege	2200	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2200	WMIC.exe
Token: SeRemoteShutdownPrivilege	2200	WMIC.exe
Token: SeUndockPrivilege	2200	WMIC.exe
Token: SeManageVolumePrivilege	2200	WMIC.exe
Token: 33	2200	WMIC.exe
Token: 34	2200	WMIC.exe
Token: 35	2200	WMIC.exe
Token: 36	2200	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2200	WMIC.exe
Token: SeSecurityPrivilege	2200	WMIC.exe
Token: SeTakeOwnershipPrivilege	2200	WMIC.exe
Token: SeLoadDriverPrivilege	2200	WMIC.exe
Token: SeSystemProfilePrivilege	2200	WMIC.exe
Token: SeSystemtimePrivilege	2200	WMIC.exe
Token: SeProfSingleProcessPrivilege	2200	WMIC.exe
Token: SeIncBasePriorityPrivilege	2200	WMIC.exe
Token: SeCreatePagefilePrivilege	2200	WMIC.exe
Token: SeBackupPrivilege	2200	WMIC.exe
Token: SeRestorePrivilege	2200	WMIC.exe
Token: SeShutdownPrivilege	2200	WMIC.exe
Token: SeDebugPrivilege	2200	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2200	WMIC.exe
Token: SeRemoteShutdownPrivilege	2200	WMIC.exe
Token: SeUndockPrivilege	2200	WMIC.exe
Token: SeManageVolumePrivilege	2200	WMIC.exe
Token: 33	2200	WMIC.exe
Token: 34	2200	WMIC.exe
Token: 35	2200	WMIC.exe
Token: 36	2200	WMIC.exe
Token: SeBackupPrivilege	2748	wbengine.exe
Token: SeRestorePrivilege	2748	wbengine.exe
Token: SeSecurityPrivilege	2748	wbengine.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1836	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2252	WINWORD.EXE
2252	WINWORD.EXE
2252	WINWORD.EXE
2252	WINWORD.EXE
2252	WINWORD.EXE
2252	WINWORD.EXE
2252	WINWORD.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 4992	1620	Version 2.8.exe	85
PID 1620 wrote to memory of 4992	1620	Version 2.8.exe	85
PID 4992 wrote to memory of 2740	4992	svchost.exe	86
PID 4992 wrote to memory of 2740	4992	svchost.exe	86
PID 2740 wrote to memory of 4732	2740	cmd.exe	88
PID 2740 wrote to memory of 4732	2740	cmd.exe	88
PID 2740 wrote to memory of 2200	2740	cmd.exe	91
PID 2740 wrote to memory of 2200	2740	cmd.exe	91
PID 4992 wrote to memory of 2788	4992	svchost.exe	93
PID 4992 wrote to memory of 2788	4992	svchost.exe	93
PID 2788 wrote to memory of 4656	2788	cmd.exe	95
PID 2788 wrote to memory of 4656	2788	cmd.exe	95
PID 2788 wrote to memory of 828	2788	cmd.exe	96
PID 2788 wrote to memory of 828	2788	cmd.exe	96
PID 4992 wrote to memory of 1296	4992	svchost.exe	97
PID 4992 wrote to memory of 1296	4992	svchost.exe	97
PID 1296 wrote to memory of 4024	1296	cmd.exe	99
PID 1296 wrote to memory of 4024	1296	cmd.exe	99
PID 4992 wrote to memory of 1836	4992	svchost.exe	103
PID 4992 wrote to memory of 1836	4992	svchost.exe	103

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\Version 2.8.exe
"C:\Users\Admin\AppData\Local\Temp\Version 2.8.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - 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
  - Suspicious use of WriteProcessMemory
  PID:4992
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2740
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:4732
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:2200
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2788
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:4656
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:828
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1296
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:4024
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
    3⤵
    - Opens file in notepad (likely ransom note)
    - Suspicious use of FindShellTrayWindow
    PID:1836

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3996

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2748

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:3088

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
- Checks SCSI registry key(s)
PID:4524

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2864

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\Documents\Are.docx" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery