chaos | 5daa764323048a42c04c4b8c5ac02af011a6d05356600814873e4fb04380b72c

Analysis

max time kernel
19s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-02-2025 19:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Discord Nitro Generator.exe
Size

118KB
MD5

79a27511481a3ff98353cc18247555d0
SHA1

97ad6646d0ac8899a76e02820d57efccfc101da8
SHA256

51f67144ecd073fa1ebdcee8005a8c8d0f4281645866c13aef5e4e60591f9a2b
SHA512

b334158dcb5b7a3d21d5805088e6a13afdc64041d0d3dc5ce04e71a00ede1238f293109f9f9c6d64a59a53ee5263a2c0880fb26bba84e4fd7ad1da5b75d24eef
SSDEEP

3072:NoBng4r9sTE6T2DtXRTBQeqbJWREG8HuRAnNRZR:Chr9sTE6GS2EV1nF

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\Documents\read_me!.txt

Ransom Note

Hello. All your documents, images, videos, databases and other files are no longer available because they have been encrypted. There is nothing you can do about this, because if you try to remove me, the files will be lost permanently. No one will be able to do anything except us. We guarantee the decryption of files if the instructions are followed. To get your files back, you'll have to pay. We only accepted 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. These sales websites are secure and secure: Coinmama - https://www.coinmama.com Abra - https://www.abra.com/buy/bitcoin Localbitcoin - https://localbitcoins.com - - - Payment amount: 0.0013 BTC. Bitcoin address: 33guPaiB1te5KSXMoAFxcCAeroGwrCKzo5 Then and only then, send an email to [email protected] to get decrypter. Do not download unknown files from the Internet ...

Emails

[email protected]

Wallets

33guPaiB1te5KSXMoAFxcCAeroGwrCKzo5

URLs

https://www.coinmama.com

https://www.abra.com/buy/bitcoin

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/2444-1-0x0000000001160000-0x0000000001184000-memory.dmp	family_chaos
behavioral1/files/0x0009000000016311-5.dat	family_chaos
behavioral1/memory/2136-7-0x0000000000390000-0x00000000003B4000-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
2996	bcdedit.exe
2336	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
2916	wbadmin.exe

Drops startup file 3 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
2136	Windows Defender.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\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	Windows Defender.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-3533259084-2542256011-65585152-1000\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Public\Videos\Sample Videos\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\Favorites\Links for United States\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	Windows Defender.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	Windows Defender.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\me7k9urrk.jpg"	Windows Defender.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	Windows Defender.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
1356	vssadmin.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2136	Windows Defender.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2444	Discord Nitro Generator.exe
2444	Discord Nitro Generator.exe
2444	Discord Nitro Generator.exe
2136	Windows Defender.exe
2136	Windows Defender.exe
2136	Windows Defender.exe
2136	Windows Defender.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	2444	Discord Nitro Generator.exe
Token: SeDebugPrivilege	2136	Windows Defender.exe
Token: SeBackupPrivilege	1192	vssvc.exe
Token: SeRestorePrivilege	1192	vssvc.exe
Token: SeAuditPrivilege	1192	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2464	WMIC.exe
Token: SeSecurityPrivilege	2464	WMIC.exe
Token: SeTakeOwnershipPrivilege	2464	WMIC.exe
Token: SeLoadDriverPrivilege	2464	WMIC.exe
Token: SeSystemProfilePrivilege	2464	WMIC.exe
Token: SeSystemtimePrivilege	2464	WMIC.exe
Token: SeProfSingleProcessPrivilege	2464	WMIC.exe
Token: SeIncBasePriorityPrivilege	2464	WMIC.exe
Token: SeCreatePagefilePrivilege	2464	WMIC.exe
Token: SeBackupPrivilege	2464	WMIC.exe
Token: SeRestorePrivilege	2464	WMIC.exe
Token: SeShutdownPrivilege	2464	WMIC.exe
Token: SeDebugPrivilege	2464	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2464	WMIC.exe
Token: SeRemoteShutdownPrivilege	2464	WMIC.exe
Token: SeUndockPrivilege	2464	WMIC.exe
Token: SeManageVolumePrivilege	2464	WMIC.exe
Token: 33	2464	WMIC.exe
Token: 34	2464	WMIC.exe
Token: 35	2464	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2464	WMIC.exe
Token: SeSecurityPrivilege	2464	WMIC.exe
Token: SeTakeOwnershipPrivilege	2464	WMIC.exe
Token: SeLoadDriverPrivilege	2464	WMIC.exe
Token: SeSystemProfilePrivilege	2464	WMIC.exe
Token: SeSystemtimePrivilege	2464	WMIC.exe
Token: SeProfSingleProcessPrivilege	2464	WMIC.exe
Token: SeIncBasePriorityPrivilege	2464	WMIC.exe
Token: SeCreatePagefilePrivilege	2464	WMIC.exe
Token: SeBackupPrivilege	2464	WMIC.exe
Token: SeRestorePrivilege	2464	WMIC.exe
Token: SeShutdownPrivilege	2464	WMIC.exe
Token: SeDebugPrivilege	2464	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2464	WMIC.exe
Token: SeRemoteShutdownPrivilege	2464	WMIC.exe
Token: SeUndockPrivilege	2464	WMIC.exe
Token: SeManageVolumePrivilege	2464	WMIC.exe
Token: 33	2464	WMIC.exe
Token: 34	2464	WMIC.exe
Token: 35	2464	WMIC.exe
Token: SeBackupPrivilege	1676	wbengine.exe
Token: SeRestorePrivilege	1676	wbengine.exe
Token: SeSecurityPrivilege	1676	wbengine.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2136	2444	Discord Nitro Generator.exe	31
PID 2444 wrote to memory of 2136	2444	Discord Nitro Generator.exe	31
PID 2444 wrote to memory of 2136	2444	Discord Nitro Generator.exe	31
PID 2136 wrote to memory of 1752	2136	Windows Defender.exe	33
PID 2136 wrote to memory of 1752	2136	Windows Defender.exe	33
PID 2136 wrote to memory of 1752	2136	Windows Defender.exe	33
PID 1752 wrote to memory of 1356	1752	cmd.exe	35
PID 1752 wrote to memory of 1356	1752	cmd.exe	35
PID 1752 wrote to memory of 1356	1752	cmd.exe	35
PID 1752 wrote to memory of 2464	1752	cmd.exe	38
PID 1752 wrote to memory of 2464	1752	cmd.exe	38
PID 1752 wrote to memory of 2464	1752	cmd.exe	38
PID 2136 wrote to memory of 2264	2136	Windows Defender.exe	40
PID 2136 wrote to memory of 2264	2136	Windows Defender.exe	40
PID 2136 wrote to memory of 2264	2136	Windows Defender.exe	40
PID 2264 wrote to memory of 2996	2264	cmd.exe	42
PID 2264 wrote to memory of 2996	2264	cmd.exe	42
PID 2264 wrote to memory of 2996	2264	cmd.exe	42
PID 2264 wrote to memory of 2336	2264	cmd.exe	43
PID 2264 wrote to memory of 2336	2264	cmd.exe	43
PID 2264 wrote to memory of 2336	2264	cmd.exe	43
PID 2136 wrote to memory of 1080	2136	Windows Defender.exe	44
PID 2136 wrote to memory of 1080	2136	Windows Defender.exe	44
PID 2136 wrote to memory of 1080	2136	Windows Defender.exe	44
PID 1080 wrote to memory of 2916	1080	cmd.exe	46
PID 1080 wrote to memory of 2916	1080	cmd.exe	46
PID 1080 wrote to memory of 2916	1080	cmd.exe	46
PID 2136 wrote to memory of 816	2136	Windows Defender.exe	50
PID 2136 wrote to memory of 816	2136	Windows Defender.exe	50
PID 2136 wrote to memory of 816	2136	Windows Defender.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\Discord Nitro Generator.exe
"C:\Users\Admin\AppData\Local\Temp\Discord Nitro Generator.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Users\Admin\AppData\Roaming\Windows Defender.exe
  "C:\Users\Admin\AppData\Roaming\Windows Defender.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:2136
- - 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:1752
  - - C:\Windows\system32\vssadmin.exe
      vssadmin delete shadows /all /quiet
      4⤵
      Interacts with shadow copies
      PID:1356
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic shadowcopy delete
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:2464
- - 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:2264
  - - 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:2336
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1080
  - - C:\Windows\system32\wbadmin.exe
      wbadmin delete catalog -quiet
      4⤵
      Deletes backup catalog
      PID:2916
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_me!.txt
    3⤵
    PID:816

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1192

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1676

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:1360

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:344

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Windows Defender.exe

Filesize
118KB

MD5
79a27511481a3ff98353cc18247555d0

SHA1
97ad6646d0ac8899a76e02820d57efccfc101da8

SHA256
51f67144ecd073fa1ebdcee8005a8c8d0f4281645866c13aef5e4e60591f9a2b

SHA512
b334158dcb5b7a3d21d5805088e6a13afdc64041d0d3dc5ce04e71a00ede1238f293109f9f9c6d64a59a53ee5263a2c0880fb26bba84e4fd7ad1da5b75d24eef

Download Submit
C:\Users\Admin\Documents\read_me!.txt

Filesize
986B

MD5
8427dc526743e4f1e69690834bc4249d

SHA1
e85dce59e684593a7f0d7fb525c5439153439175

SHA256
a7f630d1f2643f5ecafd504c231af9e898504d0a09e0ea609940b59b68191f5d

SHA512
548201b5f9f89c4419a4b1a54737a7fe0b859c72dfb06d23459b53d8267bfb916863fb77b0e52d13677519477fc2fd5afb06c7c12b15592d3cc50b1c836ad804

Download Submit
memory/2136-7-0x0000000000390000-0x00000000003B4000-memory.dmp

Filesize
144KB

Download
memory/2136-8-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp

Filesize
9.9MB

Download
memory/2136-10-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp

Filesize
9.9MB

Download
memory/2136-459-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp

Filesize
9.9MB

Download
memory/2444-0-0x000007FEF5BA3000-0x000007FEF5BA4000-memory.dmp

Filesize
4KB

Download
memory/2444-1-0x0000000001160000-0x0000000001184000-memory.dmp

Filesize
144KB

Download