chaos | b970ee2d59035562b4594e6cac64255f38dc9708a8119b7f0d44af8c9ae81b78

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 13:02

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General

Target

SynthMultiTool.exe
Size

373KB
MD5

db00217024581a4e0b46c11ab62bb7e6
SHA1

54be254f9978ad728c1a8f7364cc527c4c4348a0
SHA256

b970ee2d59035562b4594e6cac64255f38dc9708a8119b7f0d44af8c9ae81b78
SHA512

167e50bdc4d0e854dd261670b64a96ae31e5fb33738363cee1a40cfae349794ceca67ebd462f02e166cec01e149da785af3af33433f162ea7a1d13ae75dab2c3
SSDEEP

6144:Dr96+4vlljqensRnj9tZ1PiO3/UYwZJYX8CWooc/C5qhXK:xQlleensRn5b1PiO8YwZJYXkoocqqhXK

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\Documents\NOTE FROM THE HACKERS.txt

Ransom Note

All of your files have been encrypted with Military Grade Encryption. 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 $300. Payment can be made in Solana only. RESTARTING your Computer will only spread the Virus even more Resulting in Even more Damages Making it impossible to Remove,So think Smart not Hard. How do I pay, where do I get Solana? Purchasing Solana varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Solana. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Kraken - hxxps://www.kraken.com Coinbase-hxxps.www.coinbase.com If you are Infected with This Virus you can Join the Live Room on Discord Using a Device that is not encrypted Such as your Mobile Device. hxxps://discord.gg/HM7wCBKe to Negotiate our payment plans. If link has expired Here is my Personal Account gaming_is_a_j0ke Payment informationAmount: 1.245664629 SOL Solana Address: 8aWZPFmHJ7JYXj4NQza8HxfvpotbG85Pi3Vvj1YHBaaF

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/1240-1-0x0000000000F50000-0x0000000000FB4000-memory.dmp	family_chaos
behavioral1/files/0x0007000000012119-6.dat	family_chaos
behavioral1/memory/2400-9-0x0000000000AD0000-0x0000000000B34000-memory.dmp	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
1872	bcdedit.exe
1696	bcdedit.exe

Renames multiple (206) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

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
916	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\NOTE FROM THE HACKERS.txt	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2400	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) 34 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Documents\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\Accessories\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\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\Roaming\Microsoft\Windows\Libraries\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\Maintenance\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\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\Public\Videos\Sample Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\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\Programs\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\Public\Pictures\Sample Pictures\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-4177215427-74451935-3209572229-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\Links for United States\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\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\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	svchost.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tu0ib34is.jpg"	svchost.exe

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

System Information Discovery
T1082

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
1792	vssadmin.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2400	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1240	SynthMultiTool.exe
1240	SynthMultiTool.exe
1240	SynthMultiTool.exe
2400	svchost.exe
2400	svchost.exe
2400	svchost.exe
2400	svchost.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	1240	SynthMultiTool.exe
Token: SeDebugPrivilege	2400	svchost.exe
Token: SeBackupPrivilege	1592	vssvc.exe
Token: SeRestorePrivilege	1592	vssvc.exe
Token: SeAuditPrivilege	1592	vssvc.exe
Token: SeIncreaseQuotaPrivilege	1052	WMIC.exe
Token: SeSecurityPrivilege	1052	WMIC.exe
Token: SeTakeOwnershipPrivilege	1052	WMIC.exe
Token: SeLoadDriverPrivilege	1052	WMIC.exe
Token: SeSystemProfilePrivilege	1052	WMIC.exe
Token: SeSystemtimePrivilege	1052	WMIC.exe
Token: SeProfSingleProcessPrivilege	1052	WMIC.exe
Token: SeIncBasePriorityPrivilege	1052	WMIC.exe
Token: SeCreatePagefilePrivilege	1052	WMIC.exe
Token: SeBackupPrivilege	1052	WMIC.exe
Token: SeRestorePrivilege	1052	WMIC.exe
Token: SeShutdownPrivilege	1052	WMIC.exe
Token: SeDebugPrivilege	1052	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1052	WMIC.exe
Token: SeRemoteShutdownPrivilege	1052	WMIC.exe
Token: SeUndockPrivilege	1052	WMIC.exe
Token: SeManageVolumePrivilege	1052	WMIC.exe
Token: 33	1052	WMIC.exe
Token: 34	1052	WMIC.exe
Token: 35	1052	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1052	WMIC.exe
Token: SeSecurityPrivilege	1052	WMIC.exe
Token: SeTakeOwnershipPrivilege	1052	WMIC.exe
Token: SeLoadDriverPrivilege	1052	WMIC.exe
Token: SeSystemProfilePrivilege	1052	WMIC.exe
Token: SeSystemtimePrivilege	1052	WMIC.exe
Token: SeProfSingleProcessPrivilege	1052	WMIC.exe
Token: SeIncBasePriorityPrivilege	1052	WMIC.exe
Token: SeCreatePagefilePrivilege	1052	WMIC.exe
Token: SeBackupPrivilege	1052	WMIC.exe
Token: SeRestorePrivilege	1052	WMIC.exe
Token: SeShutdownPrivilege	1052	WMIC.exe
Token: SeDebugPrivilege	1052	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1052	WMIC.exe
Token: SeRemoteShutdownPrivilege	1052	WMIC.exe
Token: SeUndockPrivilege	1052	WMIC.exe
Token: SeManageVolumePrivilege	1052	WMIC.exe
Token: 33	1052	WMIC.exe
Token: 34	1052	WMIC.exe
Token: 35	1052	WMIC.exe
Token: SeBackupPrivilege	2388	wbengine.exe
Token: SeRestorePrivilege	2388	wbengine.exe
Token: SeSecurityPrivilege	2388	wbengine.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 2400	1240	SynthMultiTool.exe	30
PID 1240 wrote to memory of 2400	1240	SynthMultiTool.exe	30
PID 1240 wrote to memory of 2400	1240	SynthMultiTool.exe	30
PID 2400 wrote to memory of 1584	2400	svchost.exe	33
PID 2400 wrote to memory of 1584	2400	svchost.exe	33
PID 2400 wrote to memory of 1584	2400	svchost.exe	33
PID 1584 wrote to memory of 1792	1584	cmd.exe	35
PID 1584 wrote to memory of 1792	1584	cmd.exe	35
PID 1584 wrote to memory of 1792	1584	cmd.exe	35
PID 1584 wrote to memory of 1052	1584	cmd.exe	38
PID 1584 wrote to memory of 1052	1584	cmd.exe	38
PID 1584 wrote to memory of 1052	1584	cmd.exe	38
PID 2400 wrote to memory of 1768	2400	svchost.exe	40
PID 2400 wrote to memory of 1768	2400	svchost.exe	40
PID 2400 wrote to memory of 1768	2400	svchost.exe	40
PID 1768 wrote to memory of 1872	1768	cmd.exe	42
PID 1768 wrote to memory of 1872	1768	cmd.exe	42
PID 1768 wrote to memory of 1872	1768	cmd.exe	42
PID 1768 wrote to memory of 1696	1768	cmd.exe	43
PID 1768 wrote to memory of 1696	1768	cmd.exe	43
PID 1768 wrote to memory of 1696	1768	cmd.exe	43
PID 2400 wrote to memory of 1892	2400	svchost.exe	44
PID 2400 wrote to memory of 1892	2400	svchost.exe	44
PID 2400 wrote to memory of 1892	2400	svchost.exe	44
PID 1892 wrote to memory of 916	1892	cmd.exe	46
PID 1892 wrote to memory of 916	1892	cmd.exe	46
PID 1892 wrote to memory of 916	1892	cmd.exe	46
PID 2400 wrote to memory of 764	2400	svchost.exe	50
PID 2400 wrote to memory of 764	2400	svchost.exe	50
PID 2400 wrote to memory of 764	2400	svchost.exe	50

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\SynthMultiTool.exe
"C:\Users\Admin\AppData\Local\Temp\SynthMultiTool.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1240
- 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)
  - Sets desktop wallpaper using registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2400
- - 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:1584
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:1792
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:1052
- - 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:1768
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} bootstatuspolicy ignoreallfailures
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1872
  - - C:\Windows\system32\bcdedit.exe
      bcdedit /set {default} recoveryenabled no
      4⤵
      Modifies boot configuration data using bcdedit
      PID:1696
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1892
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:916
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\NOTE FROM THE HACKERS.txt
    3⤵
    PID:764

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1592

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2388

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:2576

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:2204

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

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

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:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
373KB

MD5
db00217024581a4e0b46c11ab62bb7e6

SHA1
54be254f9978ad728c1a8f7364cc527c4c4348a0

SHA256
b970ee2d59035562b4594e6cac64255f38dc9708a8119b7f0d44af8c9ae81b78

SHA512
167e50bdc4d0e854dd261670b64a96ae31e5fb33738363cee1a40cfae349794ceca67ebd462f02e166cec01e149da785af3af33433f162ea7a1d13ae75dab2c3

Download Submit
C:\Users\Admin\Documents\NOTE FROM THE HACKERS.txt

Filesize
1KB

MD5
14bd3821f7209ff491eb29364af87894

SHA1
ee920726dd84973c486a107592964ec5a01150d0

SHA256
e47e5f8f7bb3ece6e9dcc05df902667fa64077ea760eceae3c669de7ea8b4aac

SHA512
6895f1e3143a119bc29ac961539a4d14701ffdf6d4ba50da4a36be55c81259b5ca3c2948d8cf996475f121aef4bb4675d43b59c0f74405b41c3141a3f43fc03a

Download Submit
memory/1240-0-0x000007FEF5103000-0x000007FEF5104000-memory.dmp

Filesize
4KB

Download
memory/1240-1-0x0000000000F50000-0x0000000000FB4000-memory.dmp

Filesize
400KB

Download
memory/1240-2-0x000007FEF5103000-0x000007FEF5104000-memory.dmp

Filesize
4KB

Download
memory/2400-8-0x000007FEF4713000-0x000007FEF4714000-memory.dmp

Filesize
4KB

Download
memory/2400-9-0x0000000000AD0000-0x0000000000B34000-memory.dmp

Filesize
400KB

Download
memory/2400-21-0x000007FEF4710000-0x000007FEF50FC000-memory.dmp

Filesize
9.9MB

Download
memory/2400-479-0x000007FEF4713000-0x000007FEF4714000-memory.dmp

Filesize
4KB

Download
memory/2400-480-0x000007FEF4710000-0x000007FEF50FC000-memory.dmp

Filesize
9.9MB

Download