chaos | d418ca84ca4bb7db72d2b00f8d6225a57909e02f712c7b0e2d9cefb2e18d0737

Resubmissions

13-07-2024 09:54

240713-lxbx6swdmm 10

13-07-2024 09:50

240713-lvbvdsyapd 10

13-07-2024 09:46

240713-lr1dksyajd 10

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
13-07-2024 09:46

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General

Target

82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
Size

270KB
MD5

14ea366be5cb691078be2c302590f435
SHA1

84e562bb99249a58849f6f82b29a7746dd144900
SHA256

82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a
SHA512

9be5097295010fa04e04fcae578b19ab43935b09a70d8b31a038fd1ef7ed89dcd9143b82400e8d31913bf32a7a18628557dfaa1f4d37c1e7c8062d7a7368afb9
SSDEEP

6144:r02q9t3hysg2+00aHYHjdCoD5oa+S/dIm:Aj3hBg/00aHYDd3DCO/dI

Score

10^/10

chaos defense_evasion evasion execution impact persistence ransomware spyware stealer

Malware Config

Extracted

Path

C:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\NOTE!.txt

Ransom Note

Don't worry, you can return all your files! All your files like documents, photos, databases and other important are encrypted What guarantees do we give to you? You can send 3 of your encrypted files and we decrypt it for free. You must follow these steps To decrypt your files : 1) Write on our e-mail :[email protected] ( In case of no answer in 24 hours check your spam folder or write us to this e-mail: [email protected]) 2) Obtain Bitcoin (You have to pay for decryption in Bitcoins. After payment we will send you the tool that will decrypt all your files.)

Emails

[email protected]

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 2 IoCs

Processes:

resource	yara_rule
behavioral24/memory/2992-0-0x0000000000C00000-0x0000000000C48000-memory.dmp	family_chaos
C:\Users\Admin\AppData\Roaming\WinRAR.exe	family_chaos

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
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

Processes:

wbadmin.exe

pid process

716 wbadmin.exe
Disables Task Manager via registry modification
evasion

pid	process
716	wbadmin.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exeWinRAR.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	WinRAR.exe

Drops startup file 2 IoCs

Processes:

WinRAR.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	WinRAR.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NOTE!.txt	WinRAR.exe

Executes dropped EXE 1 IoCs

Processes:

WinRAR.exe

pid process

1512 WinRAR.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

pid	process
1512	WinRAR.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

WinRAR.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\WinRAR.exe"	WinRAR.exe

Drops desktop.ini file(s) 64 IoCs

Processes:

WinRAR.exe

description	ioc	process
File opened for modification	C:\Users\Admin\3D Objects\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Public\Downloads\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn1\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini	WinRAR.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-1750093773-264148664-1320403265-1000\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\StartUp\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Public\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\OneDrive\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Public\AccountPictures\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	WinRAR.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Public\Libraries\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Application Shortcuts\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	WinRAR.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	WinRAR.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

WinRAR.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jeypw3zbx.jpg"	WinRAR.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

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

vds.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	vds.exe
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_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

Processes:

vssadmin.exe

pid process

1368 vssadmin.exe
Modifies registry class 1 IoCs

Processes:

WinRAR.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000_Classes\Local Settings WinRAR.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exeWinRAR.exe

pid process

2992 82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
1512 WinRAR.exe

pid	process
1368	vssadmin.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000_Classes\Local Settings	WinRAR.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exeWinRAR.exe

pid	process
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe
1512	WinRAR.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

Processes:

82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exeWinRAR.exevssvc.exeWMIC.exewbengine.exe

description	pid	process
Token: SeDebugPrivilege	2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
Token: SeDebugPrivilege	1512	WinRAR.exe
Token: SeBackupPrivilege	1056	vssvc.exe
Token: SeRestorePrivilege	1056	vssvc.exe
Token: SeAuditPrivilege	1056	vssvc.exe
Token: SeIncreaseQuotaPrivilege	3556	WMIC.exe
Token: SeSecurityPrivilege	3556	WMIC.exe
Token: SeTakeOwnershipPrivilege	3556	WMIC.exe
Token: SeLoadDriverPrivilege	3556	WMIC.exe
Token: SeSystemProfilePrivilege	3556	WMIC.exe
Token: SeSystemtimePrivilege	3556	WMIC.exe
Token: SeProfSingleProcessPrivilege	3556	WMIC.exe
Token: SeIncBasePriorityPrivilege	3556	WMIC.exe
Token: SeCreatePagefilePrivilege	3556	WMIC.exe
Token: SeBackupPrivilege	3556	WMIC.exe
Token: SeRestorePrivilege	3556	WMIC.exe
Token: SeShutdownPrivilege	3556	WMIC.exe
Token: SeDebugPrivilege	3556	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3556	WMIC.exe
Token: SeRemoteShutdownPrivilege	3556	WMIC.exe
Token: SeUndockPrivilege	3556	WMIC.exe
Token: SeManageVolumePrivilege	3556	WMIC.exe
Token: 33	3556	WMIC.exe
Token: 34	3556	WMIC.exe
Token: 35	3556	WMIC.exe
Token: 36	3556	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3556	WMIC.exe
Token: SeSecurityPrivilege	3556	WMIC.exe
Token: SeTakeOwnershipPrivilege	3556	WMIC.exe
Token: SeLoadDriverPrivilege	3556	WMIC.exe
Token: SeSystemProfilePrivilege	3556	WMIC.exe
Token: SeSystemtimePrivilege	3556	WMIC.exe
Token: SeProfSingleProcessPrivilege	3556	WMIC.exe
Token: SeIncBasePriorityPrivilege	3556	WMIC.exe
Token: SeCreatePagefilePrivilege	3556	WMIC.exe
Token: SeBackupPrivilege	3556	WMIC.exe
Token: SeRestorePrivilege	3556	WMIC.exe
Token: SeShutdownPrivilege	3556	WMIC.exe
Token: SeDebugPrivilege	3556	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3556	WMIC.exe
Token: SeRemoteShutdownPrivilege	3556	WMIC.exe
Token: SeUndockPrivilege	3556	WMIC.exe
Token: SeManageVolumePrivilege	3556	WMIC.exe
Token: 33	3556	WMIC.exe
Token: 34	3556	WMIC.exe
Token: 35	3556	WMIC.exe
Token: 36	3556	WMIC.exe
Token: SeBackupPrivilege	4136	wbengine.exe
Token: SeRestorePrivilege	4136	wbengine.exe
Token: SeSecurityPrivilege	4136	wbengine.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exeWinRAR.execmd.execmd.exe

description	pid	process	target process
PID 2992 wrote to memory of 1512	2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe	WinRAR.exe
PID 2992 wrote to memory of 1512	2992	82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe	WinRAR.exe
PID 1512 wrote to memory of 1404	1512	WinRAR.exe	cmd.exe
PID 1512 wrote to memory of 1404	1512	WinRAR.exe	cmd.exe
PID 1404 wrote to memory of 1368	1404	cmd.exe	vssadmin.exe
PID 1404 wrote to memory of 1368	1404	cmd.exe	vssadmin.exe
PID 1404 wrote to memory of 3556	1404	cmd.exe	WMIC.exe
PID 1404 wrote to memory of 3556	1404	cmd.exe	WMIC.exe
PID 1512 wrote to memory of 1868	1512	WinRAR.exe	cmd.exe
PID 1512 wrote to memory of 1868	1512	WinRAR.exe	cmd.exe
PID 1868 wrote to memory of 716	1868	cmd.exe	wbadmin.exe
PID 1868 wrote to memory of 716	1868	cmd.exe	wbadmin.exe
PID 1512 wrote to memory of 4836	1512	WinRAR.exe	NOTEPAD.EXE
PID 1512 wrote to memory of 4836	1512	WinRAR.exe	NOTEPAD.EXE

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\82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe
"C:\Users\Admin\AppData\Local\Temp\82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2992

C:\Users\Admin\AppData\Roaming\WinRAR.exe
"C:\Users\Admin\AppData\Roaming\WinRAR.exe"
2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- 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:1512

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:1404

C:\Windows\system32\vssadmin.exe
vssadmin delete shadows /all /quiet
4⤵
- Interacts with shadow copies
PID:1368

C:\Windows\System32\Wbem\WMIC.exe
wmic shadowcopy delete
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3556

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
3⤵
- Suspicious use of WriteProcessMemory
PID:1868

C:\Windows\system32\wbadmin.exe
wbadmin delete catalog -quiet
4⤵
- Deletes backup catalog
PID:716

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\NOTE!.txt
3⤵
PID:4836

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1056

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4136

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:2872

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
- Checks SCSI registry key(s)
PID:412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Management Instrumentation

T1047

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Direct Volume Access

T1006

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

T1012

System Information Discovery

T1082

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:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\NOTE!.txt

Filesize
595B

MD5
7cff3b94ef1413349cdf9d4742f9cd77

SHA1
0569d834acc4a41e0b47bc1d03dcf27430106096

SHA256
bb6cdcdbb8d8b17243cce8bc7c9d7eee1872b63313640e5d63c63619712ddd8d

SHA512
1425864a3944742df1f4f849455c3224e2ee281b4c19dbc46af180efaaa1fb35dc14ef047faa02ba92e3d8b5a33ad60cc65c7b4ea9e1182a5b91d01e9edd2873

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a.exe.log

Filesize
1KB

MD5
baf55b95da4a601229647f25dad12878

SHA1
abc16954ebfd213733c4493fc1910164d825cac8

SHA256
ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

SHA512
24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

Download Submit
C:\Users\Admin\AppData\Roaming\WinRAR.exe

Filesize
270KB

MD5
14ea366be5cb691078be2c302590f435

SHA1
84e562bb99249a58849f6f82b29a7746dd144900

SHA256
82e6b71b99a6ec602cfbdc00e0bbaf34c719d7b6879b6e384004886d491ad45a

SHA512
9be5097295010fa04e04fcae578b19ab43935b09a70d8b31a038fd1ef7ed89dcd9143b82400e8d31913bf32a7a18628557dfaa1f4d37c1e7c8062d7a7368afb9

Download Submit
C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\Magnify.lnk

Filesize
1B

MD5
d1457b72c3fb323a2671125aef3eab5d

SHA1
5bab61eb53176449e25c2c82f172b82cb13ffb9d

SHA256
8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

SHA512
ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

Download Submit
memory/1512-15-0x00007FF868750000-0x00007FF869211000-memory.dmp

Filesize
10.8MB

Download
memory/1512-17-0x00007FF868750000-0x00007FF869211000-memory.dmp

Filesize
10.8MB

Download
memory/1512-1217-0x00007FF868750000-0x00007FF869211000-memory.dmp

Filesize
10.8MB

Download
memory/2992-1-0x00007FF868753000-0x00007FF868755000-memory.dmp

Filesize
8KB

Download
memory/2992-0-0x0000000000C00000-0x0000000000C48000-memory.dmp

Filesize
288KB

Download
memory/2992-2-0x00007FF868750000-0x00007FF869211000-memory.dmp

Filesize
10.8MB

Download
memory/2992-16-0x00007FF868750000-0x00007FF869211000-memory.dmp

Filesize
10.8MB

Download