chaos | a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfd

Resubmissions

18-01-2025 14:02

250118-rcc8dswnam 10

17-01-2025 08:48

250117-kqj5jaznhm 10

Analysis

max time kernel
55s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
18-01-2025 14:02

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General

Target

a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
Size

26KB
MD5

c799d8f92463a1ebc9d33222a81738b0
SHA1

0df761e3bc4625337991005af3404fab654eec4d
SHA256

a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfd
SHA512

ebd020db88d818bf47769c2198d7698e432b63f107aed27bc53e854249175a8bba8916814aac0fd5ee4ca300b95c1e57f137dcbb099f549afc3239577407153e
SSDEEP

384:qYenjLLAG9rPOB+Xvzb/xqwbOVp91W01Ib5oxDGS:5+ru+7tc9RIb6xD9

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\read_it.txt

Family

chaos

Ransom Note

----> Chaos is multi language ransomware. Translate your note to any language <---- All of your files have been encrypted Your computer was infected with a ransomware virus. Your files have been encrypted and you won't be able to decrypt them without our help.What can I do to get my files back?You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer.The price for the software is $1,500. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0.1473766 BTC Bitcoin Address: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 2 IoCs

resource	yara_rule
behavioral1/memory/5364-1-0x0000000000D80000-0x0000000000D8C000-memory.dmp	family_chaos
behavioral1/files/0x001f00000002ab52-6.dat	family_chaos

Chaos 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

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
4636	bcdedit.exe
3476	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
1412	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\read_it.txt	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1556	svchost.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) 64 IoCs

description	ioc	Process
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\Favorites\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-3870231897-2573482396-1083937135-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Downloads\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\Downloads\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\OneDrive\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\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Application Shortcuts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Libraries\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\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\Libraries\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessibility\Desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn1\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\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\AccountPictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\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\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\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\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\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\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\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\Accessories\Desktop.ini	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

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
3028	vssadmin.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe
Key created	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000_Classes\Local Settings	svchost.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3628	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1556	svchost.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

pid	Process
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe
1556	svchost.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

description	pid	Process
Token: SeDebugPrivilege	5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
Token: SeDebugPrivilege	1556	svchost.exe
Token: SeBackupPrivilege	2416	vssvc.exe
Token: SeRestorePrivilege	2416	vssvc.exe
Token: SeAuditPrivilege	2416	vssvc.exe
Token: SeIncreaseQuotaPrivilege	6000	WMIC.exe
Token: SeSecurityPrivilege	6000	WMIC.exe
Token: SeTakeOwnershipPrivilege	6000	WMIC.exe
Token: SeLoadDriverPrivilege	6000	WMIC.exe
Token: SeSystemProfilePrivilege	6000	WMIC.exe
Token: SeSystemtimePrivilege	6000	WMIC.exe
Token: SeProfSingleProcessPrivilege	6000	WMIC.exe
Token: SeIncBasePriorityPrivilege	6000	WMIC.exe
Token: SeCreatePagefilePrivilege	6000	WMIC.exe
Token: SeBackupPrivilege	6000	WMIC.exe
Token: SeRestorePrivilege	6000	WMIC.exe
Token: SeShutdownPrivilege	6000	WMIC.exe
Token: SeDebugPrivilege	6000	WMIC.exe
Token: SeSystemEnvironmentPrivilege	6000	WMIC.exe
Token: SeRemoteShutdownPrivilege	6000	WMIC.exe
Token: SeUndockPrivilege	6000	WMIC.exe
Token: SeManageVolumePrivilege	6000	WMIC.exe
Token: 33	6000	WMIC.exe
Token: 34	6000	WMIC.exe
Token: 35	6000	WMIC.exe
Token: 36	6000	WMIC.exe
Token: SeIncreaseQuotaPrivilege	6000	WMIC.exe
Token: SeSecurityPrivilege	6000	WMIC.exe
Token: SeTakeOwnershipPrivilege	6000	WMIC.exe
Token: SeLoadDriverPrivilege	6000	WMIC.exe
Token: SeSystemProfilePrivilege	6000	WMIC.exe
Token: SeSystemtimePrivilege	6000	WMIC.exe
Token: SeProfSingleProcessPrivilege	6000	WMIC.exe
Token: SeIncBasePriorityPrivilege	6000	WMIC.exe
Token: SeCreatePagefilePrivilege	6000	WMIC.exe
Token: SeBackupPrivilege	6000	WMIC.exe
Token: SeRestorePrivilege	6000	WMIC.exe
Token: SeShutdownPrivilege	6000	WMIC.exe
Token: SeDebugPrivilege	6000	WMIC.exe
Token: SeSystemEnvironmentPrivilege	6000	WMIC.exe
Token: SeRemoteShutdownPrivilege	6000	WMIC.exe
Token: SeUndockPrivilege	6000	WMIC.exe
Token: SeManageVolumePrivilege	6000	WMIC.exe
Token: 33	6000	WMIC.exe
Token: 34	6000	WMIC.exe
Token: 35	6000	WMIC.exe
Token: 36	6000	WMIC.exe
Token: SeBackupPrivilege	2072	wbengine.exe
Token: SeRestorePrivilege	2072	wbengine.exe
Token: SeSecurityPrivilege	2072	wbengine.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2380	MiniSearchHost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 5364 wrote to memory of 1556	5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe	77
PID 5364 wrote to memory of 1556	5364	a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe	77
PID 1556 wrote to memory of 5908	1556	svchost.exe	78
PID 1556 wrote to memory of 5908	1556	svchost.exe	78
PID 5908 wrote to memory of 3028	5908	cmd.exe	80
PID 5908 wrote to memory of 3028	5908	cmd.exe	80
PID 5908 wrote to memory of 6000	5908	cmd.exe	83
PID 5908 wrote to memory of 6000	5908	cmd.exe	83
PID 1556 wrote to memory of 5152	1556	svchost.exe	85
PID 1556 wrote to memory of 5152	1556	svchost.exe	85
PID 5152 wrote to memory of 4636	5152	cmd.exe	87
PID 5152 wrote to memory of 4636	5152	cmd.exe	87
PID 5152 wrote to memory of 3476	5152	cmd.exe	88
PID 5152 wrote to memory of 3476	5152	cmd.exe	88
PID 1556 wrote to memory of 4852	1556	svchost.exe	89
PID 1556 wrote to memory of 4852	1556	svchost.exe	89
PID 4852 wrote to memory of 1412	4852	cmd.exe	91
PID 4852 wrote to memory of 1412	4852	cmd.exe	91
PID 1556 wrote to memory of 3628	1556	svchost.exe	97
PID 1556 wrote to memory of 3628	1556	svchost.exe	97

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\a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe
"C:\Users\Admin\AppData\Local\Temp\a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5364
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Modifies registry class
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1556
- - 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:5908
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:3028
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:6000
- - 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:5152
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:4636
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:3476
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4852
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:1412
- - 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)
    PID:3628

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2416

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2072

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:5488

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

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

T1006

Indicator Removal

T1070

File Deletion

T1070.004

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

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\read_it.txt

Filesize
964B

MD5
4217b8b83ce3c3f70029a056546f8fd0

SHA1
487cdb5733d073a0427418888e8f7070fe782a03

SHA256
7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121

SHA512
2a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfdN.exe.log

Filesize
226B

MD5
4ae344179932dc8e2c6fe2079f9753ef

SHA1
60eacc624412b1f34809780769e3b212f138ea9c

SHA256
3063de3898a9b34e19f8cf0beeec2b8bd6bd05896b52abd73f4703d07b8a7cd4

SHA512
fadfe2b83f1af8fdc50430325f69d6172d2c1e889ca3800b3b83e5535d5970c32e9a176b48563275a0630d56c96d9f88df148fd6b2d281f0fc58129e5f4dba19

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
9KB

MD5
99aea26b5b1773e23e096f125957504a

SHA1
fc3082efc0c9d498337400059d6983bfc0c21394

SHA256
54ca935a5f5698ece0bc13ec8f5678d8d2675c7c279e93d3ff74e64096d53c26

SHA512
a1fda2e5be4a1171d0f9fc458fe21a75bf822c2a2667209faf7647abf19c069277fd8ace46b2e0dd5f4606308c559cac88ede60a8ca3971cd87094df3cc00b1b

Download Submit
C:\Users\Admin\AppData\Roaming\ConvertToResize.docx

Filesize
1B

MD5
d1457b72c3fb323a2671125aef3eab5d

SHA1
5bab61eb53176449e25c2c82f172b82cb13ffb9d

SHA256
8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

SHA512
ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

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

Filesize
26KB

MD5
c799d8f92463a1ebc9d33222a81738b0

SHA1
0df761e3bc4625337991005af3404fab654eec4d

SHA256
a8acc7216ba2fde7f2f3b180dfc4f70b2bcaed44a50253612f4e05ddc3d1ccfd

SHA512
ebd020db88d818bf47769c2198d7698e432b63f107aed27bc53e854249175a8bba8916814aac0fd5ee4ca300b95c1e57f137dcbb099f549afc3239577407153e

Download Submit
memory/1556-14-0x00007FFB24D70000-0x00007FFB25832000-memory.dmp

Filesize
10.8MB

Download
memory/1556-1233-0x00007FFB24D70000-0x00007FFB25832000-memory.dmp

Filesize
10.8MB

Download
memory/5364-0-0x00007FFB24D73000-0x00007FFB24D75000-memory.dmp

Filesize
8KB

Download
memory/5364-1-0x0000000000D80000-0x0000000000D8C000-memory.dmp

Filesize
48KB

Download