chaos | 4710fb0bd1a6beb6f5b9cbb88a3141fbaffc54341f146570a7aac42df2938588

Analysis

max time kernel
64s
max time network
64s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
29-04-2024 08:17

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General

Target

chos.exe
Size

22KB
MD5

af51c1a91ec1249730d7b22979cc7c42
SHA1

5285d86451c719a0b0c0eb833ac227772488436d
SHA256

4710fb0bd1a6beb6f5b9cbb88a3141fbaffc54341f146570a7aac42df2938588
SHA512

b2fcd6dcefb8b672b5c9d27fcd08f0858fc46e58b2f73511d4aaa2fea63d68fb3ac0b5e8a0ea6375227fc5a26a8dfc48b116225397aea6b7b9165a348c3a55e0
SSDEEP

384:U3Mg/bqo2pOv0tpDnqp+Ao4+X0Z/zJHr91C8OWhneK:qqo2EDp+J4+kRVHr9hLJeK

Score

10^/10

chaos evasion ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\Documents\read_it.txt

Ransom Note

!!! ATTENTION !!! Your device has been locked by our ransomware. To regain access to your device and your files, you must pay a ransom of : $100 USD in Bitcoin. Bitcoin Address: bc1qgk07vhn53ws7khy3840gjjvlw7qgzftfjgweq2 Once payment is made, please send an email to [email protected] with the transaction ID as proof of payment. Upon confirmation of your payment, you will receive instructions on how to unlock your device. !!! ATTENTION !!!

Emails

[email protected]

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 2 IoCs

resource	yara_rule
behavioral1/memory/2996-0-0x00000000008F0000-0x00000000008FC000-memory.dmp	family_chaos
behavioral1/files/0x001b00000002ab20-6.dat	family_chaos

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
2996	bcdedit.exe
4460	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
3780	wbadmin.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
2336	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\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\OneDrive\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\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\Videos\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	F:\$RECYCLE.BIN\S-1-5-21-891789021-684472942-1795878712-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\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\Public\Music\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\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\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\Internet Explorer\Quick Launch\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\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\Recent\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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\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\Programs\Accessibility\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	svchost.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SystemTemp	chrome.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 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	vds.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe

Interacts with shadow copies 2 TTPs 1 IoCs

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

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
4428	vssadmin.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133588522441356042"	chrome.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000_Classes\Local Settings	svchost.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
280	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2336	svchost.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2996	chos.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
2336	svchost.exe
1716	chrome.exe
1716	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs

pid	Process
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2996	chos.exe
Token: SeDebugPrivilege	2336	svchost.exe
Token: SeShutdownPrivilege	1716	chrome.exe
Token: SeCreatePagefilePrivilege	1716	chrome.exe
Token: SeShutdownPrivilege	1716	chrome.exe
Token: SeCreatePagefilePrivilege	1716	chrome.exe
Token: SeShutdownPrivilege	1716	chrome.exe
Token: SeCreatePagefilePrivilege	1716	chrome.exe
Token: SeBackupPrivilege	2056	vssvc.exe
Token: SeRestorePrivilege	2056	vssvc.exe
Token: SeAuditPrivilege	2056	vssvc.exe
Token: SeIncreaseQuotaPrivilege	3544	WMIC.exe
Token: SeSecurityPrivilege	3544	WMIC.exe
Token: SeTakeOwnershipPrivilege	3544	WMIC.exe
Token: SeLoadDriverPrivilege	3544	WMIC.exe
Token: SeSystemProfilePrivilege	3544	WMIC.exe
Token: SeSystemtimePrivilege	3544	WMIC.exe
Token: SeProfSingleProcessPrivilege	3544	WMIC.exe
Token: SeIncBasePriorityPrivilege	3544	WMIC.exe
Token: SeCreatePagefilePrivilege	3544	WMIC.exe
Token: SeBackupPrivilege	3544	WMIC.exe
Token: SeRestorePrivilege	3544	WMIC.exe
Token: SeShutdownPrivilege	3544	WMIC.exe
Token: SeDebugPrivilege	3544	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3544	WMIC.exe
Token: SeRemoteShutdownPrivilege	3544	WMIC.exe
Token: SeUndockPrivilege	3544	WMIC.exe
Token: SeManageVolumePrivilege	3544	WMIC.exe
Token: 33	3544	WMIC.exe
Token: 34	3544	WMIC.exe
Token: 35	3544	WMIC.exe
Token: 36	3544	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3544	WMIC.exe
Token: SeSecurityPrivilege	3544	WMIC.exe
Token: SeTakeOwnershipPrivilege	3544	WMIC.exe
Token: SeLoadDriverPrivilege	3544	WMIC.exe
Token: SeSystemProfilePrivilege	3544	WMIC.exe
Token: SeSystemtimePrivilege	3544	WMIC.exe
Token: SeProfSingleProcessPrivilege	3544	WMIC.exe
Token: SeIncBasePriorityPrivilege	3544	WMIC.exe
Token: SeCreatePagefilePrivilege	3544	WMIC.exe
Token: SeBackupPrivilege	3544	WMIC.exe
Token: SeRestorePrivilege	3544	WMIC.exe
Token: SeShutdownPrivilege	3544	WMIC.exe
Token: SeDebugPrivilege	3544	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3544	WMIC.exe
Token: SeRemoteShutdownPrivilege	3544	WMIC.exe
Token: SeUndockPrivilege	3544	WMIC.exe
Token: SeManageVolumePrivilege	3544	WMIC.exe
Token: 33	3544	WMIC.exe
Token: 34	3544	WMIC.exe
Token: 35	3544	WMIC.exe
Token: 36	3544	WMIC.exe
Token: SeBackupPrivilege	4364	wbengine.exe
Token: SeRestorePrivilege	4364	wbengine.exe
Token: SeSecurityPrivilege	4364	wbengine.exe
Token: SeShutdownPrivilege	1716	chrome.exe
Token: SeCreatePagefilePrivilege	1716	chrome.exe
Token: SeShutdownPrivilege	1716	chrome.exe
Token: SeCreatePagefilePrivilege	1716	chrome.exe
Token: SeShutdownPrivilege	1716	chrome.exe
Token: SeCreatePagefilePrivilege	1716	chrome.exe
Token: SeShutdownPrivilege	1716	chrome.exe
Token: SeCreatePagefilePrivilege	1716	chrome.exe

Suspicious use of FindShellTrayWindow 42 IoCs

pid	Process
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe

Suspicious use of SendNotifyMessage 20 IoCs

pid	Process
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe
1716	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 2336	2996	chos.exe	81
PID 2996 wrote to memory of 2336	2996	chos.exe	81
PID 1716 wrote to memory of 724	1716	chrome.exe	85
PID 1716 wrote to memory of 724	1716	chrome.exe	85
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4356	1716	chrome.exe	86
PID 1716 wrote to memory of 4696	1716	chrome.exe	87
PID 1716 wrote to memory of 4696	1716	chrome.exe	87
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88
PID 1716 wrote to memory of 2288	1716	chrome.exe	88

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\chos.exe
"C:\Users\Admin\AppData\Local\Temp\chos.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2996
- 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
  PID:2336
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
    3⤵
    PID:2308
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:4428
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:3544
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
    3⤵
    PID:3704
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:2996
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:4460
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    PID:3588
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:3780
- - 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:280

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Drops file in Windows directory
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.106 --initial-client-data=0xfc,0x100,0x104,0xe0,0x108,0x7ff9b1cfcc40,0x7ff9b1cfcc4c,0x7ff9b1cfcc58
  2⤵
  PID:724
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1892,i,11766330300956373866,11089509043375932804,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=1888 /prefetch:2
  2⤵
  PID:4356
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=2112,i,11766330300956373866,11089509043375932804,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=2104 /prefetch:3
  2⤵
  PID:4696
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=2192,i,11766330300956373866,11089509043375932804,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=2208 /prefetch:8
  2⤵
  PID:2288
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3088,i,11766330300956373866,11089509043375932804,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3224 /prefetch:1
  2⤵
  PID:1824
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3168,i,11766330300956373866,11089509043375932804,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3276 /prefetch:1
  2⤵
  PID:1944
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4416,i,11766330300956373866,11089509043375932804,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=4492 /prefetch:1
  2⤵
  PID:4996
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4676,i,11766330300956373866,11089509043375932804,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=4684 /prefetch:8
  2⤵
  PID:3992
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --field-trial-handle=5028,i,11766330300956373866,11089509043375932804,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=4980 /prefetch:1
  2⤵
  PID:3452
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --field-trial-handle=5012,i,11766330300956373866,11089509043375932804,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=4284 /prefetch:1
  2⤵
  PID:1128
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --field-trial-handle=3360,i,11766330300956373866,11089509043375932804,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3292 /prefetch:1
  2⤵
  PID:320
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --field-trial-handle=3400,i,11766330300956373866,11089509043375932804,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3496 /prefetch:1
  2⤵
  PID:4848
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --field-trial-handle=5004,i,11766330300956373866,11089509043375932804,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=4936 /prefetch:1
  2⤵
  PID:2016

C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe"
1⤵
PID:3908

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2056

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4364

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:1784

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
- Checks SCSI registry key(s)
PID:3124

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:1820

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
1⤵
PID:2788

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

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

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\9e006888-efdb-42d7-96a9-76679a00c047.tmp

Filesize
77KB

MD5
b2cf5cadbd06319714d11e31432de6ef

SHA1
f8c318512512016508312bc078fab5e37774d1a5

SHA256
51e1ecbcf1cf22643a9edf230367287c1fb377bd7bd34a336bceee07209ebd62

SHA512
c49ef95050e2de9667a49ab721e26635d33cd89281f1ff7d403804f35c18e08218b21b6f4c6e6af97920b482908188914c462864a9c80a11aaadd07054e5c34a

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState

Filesize
649B

MD5
0310a9390a12e883ddc90ee5e18c4d94

SHA1
67c55b8cba564ceabee78cddbe0c1f1e320c9fe6

SHA256
93b31ac66a70612b5d493ac4dc0061ad9dc25963cfda8c62bd45ed8d5d623e89

SHA512
a67dcac3c765edd6f3d2ffce7f314f6616c0581ef035b8d25d83d10f7df506ec2ef83094d759de65c3867dd8667858c17113e6b77364884ad285a445bf1abe3a

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
8KB

MD5
f1a980a50b5ee8ea44e2283f938c43d7

SHA1
b5d4599c882f6480b3b3dceac3201ac91a5df37f

SHA256
eeeef74a8535a77d6282d7610cdc475e0388e99813712ac68167e8f653965c28

SHA512
abe8b150c4b71e3dbe48a028d5e82cd662d5e1e7b235950735117860462b4360a6480f87f53c07524d1a09e62974afa39f51587a7a0f9a0dbfbee1ca3c9f92a1

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
9KB

MD5
1a190053dd05bfb44fef6c9ec6d9b4fb

SHA1
3f2afb6b4819b85440e158c74cc74bd756be9e3c

SHA256
7dddd4f0f7b200d41a63baee93a094bd7f8d4a2597f187a66b481b56c851aa61

SHA512
445bc8c0dbaf515aeed6be91b6d00fc26f45b5d04c7b535eda34597a0b793c5b98c8eee474f48bd979ae5d11e32fa11e2b66a7cdd91e93110b774150835d5714

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
9KB

MD5
7237aeefad1c1311eadc0c2ec1cfca13

SHA1
0bb51df1f8b51aa2b24a9d3e546408e453452d61

SHA256
ec809bdac75474c0d78ae1c09dc6f265c7bd56c0679aa91fdee78575779d1077

SHA512
3be5bb7a7466a0286aa78c13a62f128877beaaf1b6eb55fe6cd0a842e8a2d7006112d48270108f8d8cbbd6846ccafedcf6cc13fd072b036ef2ce8a943172bd78

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
9KB

MD5
3b688c4bd7f81e84867abfed2116d2f1

SHA1
4f1fe93563f0ffad0cf535b7d96ed3312fbd618b

SHA256
ec38554b20fd9e403a9057d5db46534fc735a9dd1bf1e92bab60d509f2be70d3

SHA512
fe195ebfbd92e2c35da1d29678e0c58f70523e1804a0f518225cb3fa9a5418b88014976e0517194548571029eda93ca5c49679834ed7c07ca97b541f2460c9eb

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

Filesize
77KB

MD5
5ab57095b6fd914533185a7c5623e5c7

SHA1
f8a1abb1df386e6329d025ef0756bd13b21a3b00

SHA256
689f836cdd17988a0d57355ba823fd082fd61e8277962313ca2e4cb59ff79c74

SHA512
1425b65bfac8891f58e4aa099207d214fc15a61c05b0cf698bb90b8a220a19312612cc103276130dcdcc35973e7a4176513b85b651ec9680b3133d1e6e51f7f4

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

Filesize
22KB

MD5
af51c1a91ec1249730d7b22979cc7c42

SHA1
5285d86451c719a0b0c0eb833ac227772488436d

SHA256
4710fb0bd1a6beb6f5b9cbb88a3141fbaffc54341f146570a7aac42df2938588

SHA512
b2fcd6dcefb8b672b5c9d27fcd08f0858fc46e58b2f73511d4aaa2fea63d68fb3ac0b5e8a0ea6375227fc5a26a8dfc48b116225397aea6b7b9165a348c3a55e0

Download Submit
C:\Users\Admin\Documents\read_it.txt

Filesize
462B

MD5
9ef56b0438e82e07aa14fb9481d10b18

SHA1
b4d069b4737d9f32d07618d83650f7c1ed3bf6eb

SHA256
ae7ff3ea3c8870144b97cde602f5e84f8a365939cf127fafa38a5309f29b69d3

SHA512
a7f14c7f8b01ef7c21e2350e9b9efdcbb8d533197b63d7bc50d4c75a2190a2fc5633698a532ed07a186333097dd08991852721051d255d1bf2cfc9356cdf523d

Download Submit
memory/2336-15-0x00007FF9A0830000-0x00007FF9A12F2000-memory.dmp

Filesize
10.8MB

Download
memory/2336-519-0x00007FF9A0830000-0x00007FF9A12F2000-memory.dmp

Filesize
10.8MB

Download
memory/2996-14-0x00007FF9A0830000-0x00007FF9A12F2000-memory.dmp

Filesize
10.8MB

Download
memory/2996-1-0x00007FF9A0830000-0x00007FF9A12F2000-memory.dmp

Filesize
10.8MB

Download
memory/2996-0-0x00000000008F0000-0x00000000008FC000-memory.dmp

Filesize
48KB

Download