chaos | 4e44d16e3c4274d3a49d8562299659b7177632e484ca7ba3c0d7a95bc44d686a

Analysis

max time kernel
162s
max time network
299s
platform
windows11-21h2_x64
resource
win11-20250210-en
resource tags

arch:x64arch:x86image:win11-20250210-enlocale:en-usos:windows11-21h2-x64system
submitted
16-02-2025 12:15

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General

Target

YashmaClient.exe
Size

130KB
MD5

6a5d6de74af2307b9ddb8e7e0a05aec3
SHA1

a9bb545b11c8b4415359fead7a92ea848f508530
SHA256

4e44d16e3c4274d3a49d8562299659b7177632e484ca7ba3c0d7a95bc44d686a
SHA512

bffc0eed72576ac2b0d68410db02d76369bd937d9a4767cc0edd021343cf8f0a81af9813cb0038726ff61ac274f81ae4144f3717148807ba5973b7103408f8f2
SSDEEP

768:w7zxAmCgnegjDho9Ws82FOfMCwRhOF15utoS:wNCRADq9W3cS/wCFLS

Score

10^/10

chaos defense_evasion discovery evasion execution impact persistence ransomware spyware stealer

Malware Config

Extracted

Path

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

resource	yara_rule
behavioral1/memory/696-1-0x0000000000B60000-0x0000000000B86000-memory.dmp	family_chaos
behavioral1/files/0x001a00000002ae33-7.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
3804	bcdedit.exe
568	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
4552	wbadmin.exe

Disables Task Manager via registry modification
defense_evasion

Downloads MZ/PE file 1 IoCs

flow	pid	Process
11	4604	Process not Found

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	DDosYashma.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt	DDosYashma.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	DDosYashma.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1003530991-2962315046-3000157291-1000\Software\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\DDosYashma.exe"	DDosYashma.exe

Drops desktop.ini file(s) 64 IoCs

description	ioc	Process
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Public\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Public\Libraries\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessibility\Desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Public\AccountPictures\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\OneDrive\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Public\Downloads\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	DDosYashma.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-1003530991-2962315046-3000157291-1000\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn1\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Application Shortcuts\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\desktop.ini	DDosYashma.exe
File opened for modification	C:\Users\Default\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini	DDosYashma.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 1 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	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1156	MicrosoftEdgeUpdate.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
1036	vssadmin.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1003530991-2962315046-3000157291-1000_Classes\Local Settings	DDosYashma.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1003530991-2962315046-3000157291-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1003530991-2962315046-3000157291-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1003530991-2962315046-3000157291-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	BackgroundTransferHost.exe
Key created	\REGISTRY\USER\S-1-5-21-1003530991-2962315046-3000157291-1000_Classes\Local Settings\MuiCache	BackgroundTransferHost.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3316	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
696	YashmaClient.exe
2756	DDosYashma.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
696	YashmaClient.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe
2756	DDosYashma.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

description	pid	Process
Token: SeDebugPrivilege	696	YashmaClient.exe
Token: SeDebugPrivilege	2756	DDosYashma.exe
Token: SeBackupPrivilege	1932	vssvc.exe
Token: SeRestorePrivilege	1932	vssvc.exe
Token: SeAuditPrivilege	1932	vssvc.exe
Token: SeIncreaseQuotaPrivilege	3772	WMIC.exe
Token: SeSecurityPrivilege	3772	WMIC.exe
Token: SeTakeOwnershipPrivilege	3772	WMIC.exe
Token: SeLoadDriverPrivilege	3772	WMIC.exe
Token: SeSystemProfilePrivilege	3772	WMIC.exe
Token: SeSystemtimePrivilege	3772	WMIC.exe
Token: SeProfSingleProcessPrivilege	3772	WMIC.exe
Token: SeIncBasePriorityPrivilege	3772	WMIC.exe
Token: SeCreatePagefilePrivilege	3772	WMIC.exe
Token: SeBackupPrivilege	3772	WMIC.exe
Token: SeRestorePrivilege	3772	WMIC.exe
Token: SeShutdownPrivilege	3772	WMIC.exe
Token: SeDebugPrivilege	3772	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3772	WMIC.exe
Token: SeRemoteShutdownPrivilege	3772	WMIC.exe
Token: SeUndockPrivilege	3772	WMIC.exe
Token: SeManageVolumePrivilege	3772	WMIC.exe
Token: 33	3772	WMIC.exe
Token: 34	3772	WMIC.exe
Token: 35	3772	WMIC.exe
Token: 36	3772	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3772	WMIC.exe
Token: SeSecurityPrivilege	3772	WMIC.exe
Token: SeTakeOwnershipPrivilege	3772	WMIC.exe
Token: SeLoadDriverPrivilege	3772	WMIC.exe
Token: SeSystemProfilePrivilege	3772	WMIC.exe
Token: SeSystemtimePrivilege	3772	WMIC.exe
Token: SeProfSingleProcessPrivilege	3772	WMIC.exe
Token: SeIncBasePriorityPrivilege	3772	WMIC.exe
Token: SeCreatePagefilePrivilege	3772	WMIC.exe
Token: SeBackupPrivilege	3772	WMIC.exe
Token: SeRestorePrivilege	3772	WMIC.exe
Token: SeShutdownPrivilege	3772	WMIC.exe
Token: SeDebugPrivilege	3772	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3772	WMIC.exe
Token: SeRemoteShutdownPrivilege	3772	WMIC.exe
Token: SeUndockPrivilege	3772	WMIC.exe
Token: SeManageVolumePrivilege	3772	WMIC.exe
Token: 33	3772	WMIC.exe
Token: 34	3772	WMIC.exe
Token: 35	3772	WMIC.exe
Token: 36	3772	WMIC.exe
Token: SeBackupPrivilege	1884	wbengine.exe
Token: SeRestorePrivilege	1884	wbengine.exe
Token: SeSecurityPrivilege	1884	wbengine.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 696 wrote to memory of 2756	696	YashmaClient.exe	86
PID 696 wrote to memory of 2756	696	YashmaClient.exe	86
PID 2756 wrote to memory of 772	2756	DDosYashma.exe	87
PID 2756 wrote to memory of 772	2756	DDosYashma.exe	87
PID 772 wrote to memory of 1036	772	cmd.exe	89
PID 772 wrote to memory of 1036	772	cmd.exe	89
PID 772 wrote to memory of 3772	772	cmd.exe	92
PID 772 wrote to memory of 3772	772	cmd.exe	92
PID 2756 wrote to memory of 2536	2756	DDosYashma.exe	94
PID 2756 wrote to memory of 2536	2756	DDosYashma.exe	94
PID 2536 wrote to memory of 3804	2536	cmd.exe	96
PID 2536 wrote to memory of 3804	2536	cmd.exe	96
PID 2536 wrote to memory of 568	2536	cmd.exe	97
PID 2536 wrote to memory of 568	2536	cmd.exe	97
PID 2756 wrote to memory of 1592	2756	DDosYashma.exe	98
PID 2756 wrote to memory of 1592	2756	DDosYashma.exe	98
PID 1592 wrote to memory of 4552	1592	cmd.exe	100
PID 1592 wrote to memory of 4552	1592	cmd.exe	100
PID 2756 wrote to memory of 3316	2756	DDosYashma.exe	106
PID 2756 wrote to memory of 3316	2756	DDosYashma.exe	106

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\YashmaClient.exe
"C:\Users\Admin\AppData\Local\Temp\YashmaClient.exe"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:696
- C:\Users\Admin\AppData\Roaming\DDosYashma.exe
  "C:\Users\Admin\AppData\Roaming\DDosYashma.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops desktop.ini file(s)
  - Modifies registry class
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2756
- - 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:772
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:1036
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:3772
- - 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:2536
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:3804
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:568
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1592
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:4552
- - 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:3316

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1932

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1884

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:2432

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
- Checks SCSI registry key(s)
PID:3136

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PG9lbSBwcm9kdWN0X21hbnVmYWN0dXJlcj0iIiBwcm9kdWN0X25hbWU9IiIvPjxleHAgZXRhZz0iJnF1b3Q7RSt4YkF6Nlk2c1UxMjg5YlM2cWw0VlJMYmtqZkJVR1RNSnNqckhyNDRpST0mcXVvdDsiLz48YXBwIGFwcGlkPSJ7OEE2OUQzNDUtRDU2NC00NjNjLUFGRjEtQTY5RDlFNTMwRjk2fSIgdmVyc2lvbj0iMTIzLjAuNjMxMi4xMjMiIG5leHR2ZXJzaW9uPSIiIGxhbmc9ImVuIiBicmFuZD0iR0dMUyIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjYiIGluc3RhbGxkYXRldGltZT0iMTczOTE4NDcxMiIgb29iZV9pbnN0YWxsX3RpbWU9IjEzMzgzNjU1NjY2MDQzMDAwMCI-PGV2ZW50IGV2ZW50dHlwZT0iMzEiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjIxNzk4NjIiIHN5c3RlbV91cHRpbWVfdGlja3M9IjQ4Mjg5NDU4ODciLz48L2FwcD48L3JlcXVlc3Q-
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1156

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
1⤵
- Modifies registry class
PID:1784

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

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

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

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

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

Filesize
582B

MD5
ed5cc52876db869de48a4783069c2a5e

SHA1
a9d51ceaeff715ace430f9462ab2ee4e7f33e70e

SHA256
45726f2f29967ef016f8d556fb6468a577307d67388cc4530295a9ca10fdfa36

SHA512
1745aefb9b4db4cdd7c08ee3a7d133db08f35a336fd18b598211519b481ef25ac84a3e8a3da3db06caef9f531288d1cf0ca8d4b2560637945e7953e8b45421f5

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

Filesize
1KB

MD5
b4e91d2e5f40d5e2586a86cf3bb4df24

SHA1
31920b3a41aa4400d4a0230a7622848789b38672

SHA256
5d8af3c7519874ed42a0d74ee559ae30d9cc6930aef213079347e2b47092c210

SHA512
968751b79a98961f145de48d425ea820fd1875bae79a725adf35fc8f4706c103ee0c7babd4838166d8a0dda9fbce3728c0265a04c4b37f335ec4eaa110a2b319

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\b6715278-a4b3-4767-abd4-666964c739d5.down_data

Filesize
555KB

MD5
5683c0028832cae4ef93ca39c8ac5029

SHA1
248755e4e1db552e0b6f8651b04ca6d1b31a86fb

SHA256
855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e

SHA512
aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3

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

Filesize
130KB

MD5
6a5d6de74af2307b9ddb8e7e0a05aec3

SHA1
a9bb545b11c8b4415359fead7a92ea848f508530

SHA256
4e44d16e3c4274d3a49d8562299659b7177632e484ca7ba3c0d7a95bc44d686a

SHA512
bffc0eed72576ac2b0d68410db02d76369bd937d9a4767cc0edd021343cf8f0a81af9813cb0038726ff61ac274f81ae4144f3717148807ba5973b7103408f8f2

Download Submit
C:\Users\Admin\Desktop\MeasurePop.html

Filesize
1B

MD5
d1457b72c3fb323a2671125aef3eab5d

SHA1
5bab61eb53176449e25c2c82f172b82cb13ffb9d

SHA256
8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

SHA512
ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

Download Submit
C:\Users\Admin\Desktop\MoveUninstall.xlsx.5eof

Filesize
10KB

MD5
7cdeca1d5185540ed99e02d3e7adbf89

SHA1
f8ee40c98624ed5d8a6fa87a6982a72868926b9d

SHA256
acb78d163563cb4578a870a48ff763a8a1207b0df4932e7e092ca34c40b4c9ba

SHA512
05a9bb0f29fc2258fda24283594e81417325ab4e567fb63b74a212f0e9ab1daefee8b876f4299141413822d7c7a38129c0dba0b98e8a79e6bbd61b0dbe749145

Download Submit
C:\Users\Admin\Desktop\RequestRestore.potx.p7dd

Filesize
256KB

MD5
1115452cdd4401608a73ceb2f873cb46

SHA1
214dfb12f5b5b94618e4e44bfb809933332e38ed

SHA256
a47aca2230adcc69492b4e045359eafa9b72204b6fb99453e07ca54dc838e374

SHA512
90447bb3854ae5c33e9eb0eed63c1d604fcad9ee772acf3da28281519a8a47b74ad7410c87b0b74aedfb607a8175a3bb9a73dad09bb7d946fb2e8acb431d17a0

Download Submit
C:\Users\Admin\Documents\AssertRename.vsdm

Filesize
972KB

MD5
079265a6bed967854fb29dd84ce41877

SHA1
9b623464f74819238c4b606700ec8f34f4c2dd5f

SHA256
a5a3e6f86626a0c7650e7cd055d41c78cbab8e11390c336ac4f1e1b1247c85c4

SHA512
a100c86000fd3fb0726b13fc19c7244232b29024846dd4335fdc9146f256288aea1e8775dced44fd3d40b0a397b0b6f7673f2667eb1603bb93f28e7647ef4921

Download Submit
C:\Users\Admin\Documents\BlockUpdate.docx.dc97

Filesize
13KB

MD5
5d3ff4ef197b1c0f08ca8c4cd4de7d58

SHA1
57122bcd227c649153921b1088cc1eeb33d35a23

SHA256
99bdfd102e012f2e0ef95f84b3ec6488bde14dfdd51e359c69b968378dab6b29

SHA512
87d47cf31622eb067e6c42bcb9a9339b9e947c157488aa9ab9274ea88d9bd857ff9ac366578f0c35f148fb9dda29c4b1b0dc9b523c53d6b782e6371b9c112edb

Download Submit
C:\Users\Admin\Documents\ConvertToCompress.docx.blho

Filesize
15KB

MD5
846dbc0860dfd047e0011693cc82f038

SHA1
39ea3101fd0aa7885a6b0b39fd0b8b72f7310c79

SHA256
f1710a26ae6c585e84c20529f38560fb6ed1f975a21753cf63995ae37bc7b3aa

SHA512
abc7c817cadc72c05f5646cf7249004ef8ba846bf56804ea48271957b3a187ebda897f9a5f740e525663086e80214fc2cf13846e0128be296f6420e13a3801c9

Download Submit
C:\Users\Admin\Documents\DisableUse.vst

Filesize
563KB

MD5
f5c3b10dad18909d81f692d1e8da8314

SHA1
d2d22eb2015572de73324b36a67f144068a3bfc0

SHA256
d3d8bd53ab4163eba0879b4bf71f5bcb849db0b83f3303c63bef8925ee96bd8d

SHA512
b72ed096c82f46fa5075cf460432e9d388895163a938be7507ab55bdec029b891aa19efc2d15d2a302e1548453d09a78de939d24b67031d8cc40aaaa17d0d8c1

Download Submit
C:\Users\Admin\Documents\ExportUpdate.docm.jgwe

Filesize
819KB

MD5
3effdef1799d04bf6bb69cf49a3930a0

SHA1
63cc088ea3b8114c2245826f0484a2f511053312

SHA256
ec2c6fcc08d33a259e32c92d7ad7dc9a72c9e56c95172538703a7a319f2ef138

SHA512
50c35149b3ecac6b98056c74c8a22602e149a3f1c41c69aaaa93dc55b7f2516b2e33d9d4a490b63abd77b5e492e76597514b5514f8b34bbafe597c5dcdb9db3f

Download Submit
C:\Users\Admin\Documents\GroupInitialize.vdw

Filesize
1.3MB

MD5
b578cb5ece03623e3ca397f5fd4f6e6c

SHA1
d580080183d60ad523fcf222439b4b076d66316b

SHA256
1cc02a72bb2c75527c33498f5e89d5ee564f8fdfd821ffa326ecfe74dbfd9011

SHA512
fe5af737369ee60ddfe5a46c121fa441ba3473c8803e91d1f3e9ea5a6855bda527e1b5bd6c1289aac5cc5b68419096573e7f3828dbe6aaa445da279c16089aeb

Download Submit
C:\Users\Admin\Documents\ImportEdit.dotm

Filesize
1.1MB

MD5
0548bfa1af5d694608412e6c18dcbfe5

SHA1
c6ad71d47656f33af39234d2f634302175f97c42

SHA256
8672cee97c84ffe3f499ca80a01385fd0b0e27658d86d34af96c2d93586d6aaf

SHA512
25e7ef68a00fe8707bbcac3080ada81e3ffeb360574bc8ed5bb9467c8d81f8dcc7826d7280e368b71ec3dfb681845ad1877a6afe3d29cbd0923622dd4fc814a1

Download Submit
C:\Users\Admin\Documents\ImportEnable.pptx.sqbf

Filesize
1.1MB

MD5
9688c41ca67628fd1614ce2b71316331

SHA1
b4f9c327d4c3e1d0536aff2ba766b8626bb02475

SHA256
720c67f0c454d4a5fb08f69fcc81d11c8f10f64a0509be7f591d1dab6f429582

SHA512
b699d5907f413a4aa87542009af66eab3a28a8b0d95c1b36445873628ae4f0f4e94677a82c834e1c5368c2ccc049bead8b94d89598fbf795fa4a9e9288215ae8

Download Submit
C:\Users\Admin\Documents\InitializeUpdate.doc.7nmm

Filesize
1.4MB

MD5
7c8bab5dc822131599d027f4bad95218

SHA1
ec0fa0ed04b5e4ebb1ae3a5691d30697b3ddb104

SHA256
6db65bebfeedf32ea3a7db1e593c7994a16f646215dd0f545eff56e5dade646c

SHA512
20d404d6dafed89e9eba87de14d58422eeff1da4681d502849fb625a2b94bba8dfaddff758523c98fb40e7dce5bff9fd38dbc4e49310f4e0062d0c3b9b5de828

Download Submit
C:\Users\Admin\Documents\JoinFind.xlsx.v7gp

Filesize
9KB

MD5
a26ce481905bb8bb899ef0abe42baa4f

SHA1
cfad8ff008a53129006fbb956b5d74dd7617503e

SHA256
214cc91d5ddefaac022c67f60fa55247dc61cc1fc22517fd6060ab0c4a05794d

SHA512
42805c2b475a9ec38cb68905135c6a004a3dd8b1b9686e5f348572d3981d6224ed02d6ca46708a68931c5985eb0c004c56330d2d012e92317c073f07adb8c952

Download Submit
C:\Users\Admin\Documents\NewInvoke.ppsx

Filesize
1.3MB

MD5
fb742ac1f3fe3b54a376672a258d0b31

SHA1
31218307670e73453c081194dcfdd0c9dc17f25e

SHA256
3cd5730d92c7707bd3517feffc9e96a6e8f859e13a636bf2c289fa15ef028f29

SHA512
f1524a65bce71a512a82617907b2fc18ce40c82c691faa5425fe6e7c3c4be4e92500a84cb4740d1f6f856de664065c155a0be4710d48d1bfe2378a5ae1260a47

Download Submit
C:\Users\Admin\Documents\OpenResize.docx.k1y5

Filesize
1.4MB

MD5
094ceb0871029a40b3c6d3e939da0140

SHA1
e1b82513b02497c5787a9bff347c2d61f0a5bbe2

SHA256
0d037a2e96fa19670366b284ae47894fd2f85afdecfb422e03422c0255083428

SHA512
de36f84ce3ca6da4e82d5083d6709a519c115cf3433354eacf0468454fc6285e53355e837d9d523b1a8896d52bdd8dc27988fe5f1c23aaa269129e53c2c3ae87

Download Submit
C:\Users\Admin\Documents\PushNew.vsx

Filesize
614KB

MD5
5dc2bca125d3f0f013de180315f9adaa

SHA1
309ba5ebd668740183d33f7582e9ca24f1079d8d

SHA256
405fe5d729e56852701a4a3f859a8d08fd6364be169351492630f3f81de6147b

SHA512
d2ba79e7c8f24a86d1a9f86a18ff17831618348718fa3c0fa05757c8b129b51cb82b6aed33e983e8777457c10ef59ec1b4241ca45735e20e3c033966c7fca278

Download Submit
C:\Users\Admin\Documents\RedoReceive.vsdm

Filesize
1.2MB

MD5
56a9cb05f338073c5aaf832d8e3bed0a

SHA1
6f1e437a4366be6a116687a93db27558d333f172

SHA256
f6ee2871ced48def6b72043c31fb18b3351af07c267ff9849f9d855059867af3

SHA512
e451443da27c194a7bcfb26f2d4a281361411171560d5a87003ae18388519fc190556615782e321bf7b40806bf8fae17048d04ec8f5cf52a8058738a240a4ca5

Download Submit
C:\Users\Admin\Documents\RequestRepair.dotx.1hwf

Filesize
870KB

MD5
0391e3bb249e0efd72c15dfc886bf9bf

SHA1
6fbdcf33ae6996ad714cc4d10808f9d7f318dc59

SHA256
a3b43181c80b203d39525891679f171b9df8006c1964707df24684e5e031f699

SHA512
b56d216ed08db0348a8a62b8c3552b9d16a44528ab41afb74e0ba3c694397237b575b8eecb29fa95c88b1a89589ded9ff67c014b75c1395b204dedc65e2a971c

Download Submit
C:\Users\Admin\Documents\ResizeUndo.htm.grnh

Filesize
1.2MB

MD5
c8b930cd0f1f0de49d0ba6f0d7d2d9ee

SHA1
8d0454f434ef81df0f4c3fdfcc103a8b5e4c7636

SHA256
15d7474a455750247926615879569971c6d6bb8206dea3767c21fc1a5e6982c9

SHA512
3fba847126159a4fd9f7bc7211e31d842316c98dd693537de2b4cb6b93d940a75541b812f13c2e5d7df468ed021883e42f18ce31d512a72fdf9512d878bbcfbe

Download Submit
C:\Users\Admin\Documents\desktop.ini

Filesize
402B

MD5
ecf88f261853fe08d58e2e903220da14

SHA1
f72807a9e081906654ae196605e681d5938a2e6c

SHA256
cafec240d998e4b6e92ad1329cd417e8e9cbd73157488889fd93a542de4a4844

SHA512
82c1c3dd163fbf7111c7ef5043b009dafc320c0c5e088dec16c835352c5ffb7d03c5829f65a9ff1dc357bae97e8d2f9c3fc1e531fe193e84811fb8c62888a36b

Download Submit
memory/696-0-0x00007FFBEEC83000-0x00007FFBEEC85000-memory.dmp

Filesize
8KB

Download
memory/696-1-0x0000000000B60000-0x0000000000B86000-memory.dmp

Filesize
152KB

Download
memory/696-2-0x00007FFBEEC80000-0x00007FFBEF742000-memory.dmp

Filesize
10.8MB

Download
memory/696-16-0x00007FFBEEC80000-0x00007FFBEF742000-memory.dmp

Filesize
10.8MB

Download
memory/2756-17-0x00007FFBEEC80000-0x00007FFBEF742000-memory.dmp

Filesize
10.8MB

Download
memory/2756-15-0x00007FFBEEC80000-0x00007FFBEF742000-memory.dmp

Filesize
10.8MB

Download
memory/2756-1192-0x00007FFBEEC80000-0x00007FFBEF742000-memory.dmp

Filesize
10.8MB

Download