chaos | fbce0282ec9276da79d35421a6de69e675ce79d4ea00f1d17891444cee0e7b5f

Analysis

max time kernel
104s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2025, 01:29

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General

Target

Chaos-0b/Chaos-0b.exe
Size

9.1MB
MD5

ffdfb4889a8af7fee5c0d60731b3ff1b
SHA1

5e968b7cf87b36bf705882fb13e4774ef38f2386
SHA256

12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9
SHA512

d9f8431cfe9e9999d1ac9957c99b18b45d38af2af612fe32b4c4573468e829b67619083e5b5f777ac2284131b38c0df973501138bb56b5e553303eb78ccc1073
SSDEEP

6144:ar9SUF0Gbetbpf5+hoIFZ/vNmjLPVwYpE/LpbueRsdxIh7m5hfLPeov23vWENOSe:U7yw2

Score

10^/10

chaos ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\READ ME.txt

Ransom Note

---= GANDCRAB V5.0.3 REMAKE BY FLOWERSUSER7213 =--- ***********************UNDER NO CIRCUMSTANCES DO NOT DELETE THIS FILE, UNTIL ALL YOUR DATA IS RECOVERED*********************** **** This malware is given for trusted users only and this is malware and ruins your day! >:) ******** *****FAILING TO DO SO, WILL RESULT IN YOUR SYSTEM CORRUPTION, IF THERE WILL BE DECRYPTION ERRORS AND YOU CANT USE IT AT ALL PLEASE MAKE A SNAPSHOT AND RUN THIS PROGRAM!***** Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .TUSOSOIN The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. The server with your key is in a closed network TOR. You can get there by the following ways: ---------------------------------------------------------------------------------------- | 0. Download Tor browser - https://www.torproject.org/ | 1. Install Tor browser | 2. Open Tor Browser | 3. Open link in TOR browser: http://gandcrabmfe6mnef.onion/34afc7c684c32ae3 | 4. Follow the instructions on this page ---------------------------------------------------------------------------------------- On our page you will see instructions on payment and get the opportunity to decrypt 1 file for free. ATTENTION! IN ORDER TO PREVENT DATA DAMAGE: * DO NOT MODIFY ENCRYPTED FILES * DO NOT CHANGE DATA BELOW ---BEGIN GANDCRAB KEY--- lAQAAJAlV4LM0r1mdKJe7TrSYzWg1pIbZuxvwhUQOpudTDF53oc8xWboGzrxsWibIiyvIQcM/VggX7NB3oFKQybUpzlBNz44BcBIlYS9tZasuQ9jTohuwgs0ac2yhyFN7vP4eiFk9gvU5veaWJlEJME+ki2skQD/o26yNNZXZAgOtPX1JLmn/p/cOQ5eLLrgdJJ6wR0D8irpxydJpTto+/S5dmzS4O4RwEwI7/tK6nWV3O3zWe2n2dn9GwFS4oWjWr2nDRntyE4kjlaij9X8Ix9ZxkcNM2wUsj5Ch6B9c16yLaQ21Kt4Mt2p/HP0ZXiOH7xSiI4WKtL3s7M7+dskL+yvDamVYMS1hyJSbLdsPiD2NNcizTszQ5s5VFAoA4AmUPCiwFnmD/KKS8m9iftJazHt7KTu7ogdXnvxAN41+umsnqmpUOcOnHatboDEOyhOz6MidUxTszUYi7t70R7T/1DgHQ0YwjL8epCFvv2sPUxJ9YTeKNPcO4vhuCbgk22vnng1gF25CPdS7ssJLPgKL0fsfZNwAUjJKeP9AFCqy07JB9VY2qlhMJoR9Tq1bB4XICsMRIl90dxxqQnrJol9BqgKpvMkioqV2U/3kuPxOFKclQ/5+2wLTnBe0oHyHSxcmx9XWPZPGDden1JjdJg8jFDUaDX26xAY5ezZNyh/HcwdkcBsyqS2MF2T3QbBHKv6PUNpwdiSXfWW4v7okGvADFxoqDi0tov5Gzkng1NO/0lQlgMDGS9Cee7BcSm0Lv/w3zV3s+/fMjPpW84EgX6KwpRvFw+0/Yk3uHt6rABl78w4Qha6lG5j/C+nI9wikWhEHsE7umkDiSnr8EXa1ZBMkgLNRKs50oulAdjZFz4/yo27jQahsI5Fkaz0h+8eCkkbgsmasjb+7i8e70QPSjV8QZh999KAmdAZckRpba/pBOla7drHuTT/04EjYZJSi1FMcdPCCGhJ1USnETjPFDfbyuTMSVrpLwymW8Z/7XQi0tiH1t6QbHQO+DZ+SY84Roi7jlPTw0Pq33vZ9iyNSzA0/XnNmajFK4LWmvSi/SoFEYXOTePRxVGm454MkrBtXzhc/G7Or/RXl+K7hEXx+CcK/cfXqph300b8OQbd6qoEOzgUpTcDg5F2TexUrVcDlG+j+EWIKVKUwmCKMpROtUbnRngb7qEjRDWO7pKrRVgwgjn8L1tgQ4S0Y0tm812n5YwVHpiWv8PeIQd3tqXq6v4c8ffEanCOSUjhLhPKDzbsFRL2WtnJ8e+HPWao7plS5ZMd39r5AAwTLtK4AA+MwoCf3h/S7bXFUqipcoKdGoL64ObfP6sDYyRiiURlIo0NreHUx4WtFLu+dk/WbsLVzF89F+v+wYQUrPAb3H54qiS4FOAzTxKxiAYyUUpyFTOE+ajuxepeVVyO0qI7VzWp24ep9BYZEoNVyDuwijmlDqdGSbo1afQ/Pjm2zNxoZQBAtfL2G0bJ73cfoIFBStYhDrFLbrODDsFgf4bDhFQSzLImBKzPUXdqUHrOo2LpBP8LCZ7JpN88Q2Ib3AgwAMAyzv1X7JiqnvF71ytrxOAP/jNT9wbNofWdWqFYNa5sJmdxs1MaBnpfnQjElmJ9Ns9spKrQ/oJufKrNcDYFnLlw3qZ4huzSdMRliaNSPFuDeiPNG6XRkKdgmBpT2Wa7TFLBdmF1WBUbfwmE4BN8rFYMZpjUJkNqOBgzoBfTsiDmO+cXAekUFaXtKfUYLavvWWAC9yk09FyOKe8j4e4uxoGfIjr4LlLEFRF7ET9HBCU0GYF48judY4sdSkZv9qd1QxhzsCZo13ei7fpKqlzuHubnlnLVGhVVEeGGP7iKS3lU3TTVxzq/3C7vJf66UW7IkKwjERJQuGZiWeUsW2TIe3zJTcC+evBT+EHbhWlnwcpL/jLIdv2fecjBZxTKaPGk7N5I4qSDUhFWCydfbt1AGcVdbM8bYwl/gf7iI5df/7/WWv29iX8Ukf02reLIfTp1SXIhcusZmv3gwbIAZm2aBGhDHgj23vkJ++HHFOGX2JLxd/LJrTsVyd5LaBi5vEawPIDpwaiAnh719pD81JY7s4nWNe7DIr33/pHKutIITZB/kUjb4jDwYZH66K3X3UXSqUZGAZykVh1YxBX5b9VJqeaE1sgg+2KT1KpTujmaHaDkKy/ceevVDmlSTIw66whvMqFc/H4MvBsQ9DVyTq1xk2QNh8nTC9s5Ih6Ng2io/Ox3WsUVeBT+6xljP3AW1P8= ---END GANDCRAB KEY--- ---BEGIN PC DATA--- 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 ENJOY YOUR FUCKING PC!

URLs

http://gandcrabmfe6mnef.onion/34afc7c684c32ae3

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 2 IoCs

resource	yara_rule
behavioral1/memory/3044-1-0x0000000000620000-0x0000000000F48000-memory.dmp	family_chaos
behavioral1/files/0x0007000000024348-7.dat	family_chaos

Chaos family
chaos

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\Control Panel\International\Geo\Nation	Chaos-0b.exe
Key value queried	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000\Control Panel\International\Geo\Nation	cmd.exe

Drops startup file 3 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
4980	cmd.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\Pictures\Camera Roll\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	cmd.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-446031748-3036493239-2009529691-1000\desktop.ini	cmd.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	cmd.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	cmd.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\OneDrive\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	cmd.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	cmd.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	cmd.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-1-5-21-446031748-3036493239-2009529691-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\65h6xruq0.jpg"	cmd.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-446031748-3036493239-2009529691-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4980	cmd.exe

Suspicious behavior: EnumeratesProcesses 49 IoCs

pid	Process
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
3044	Chaos-0b.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe
4980	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	Chaos-0b.exe
Token: SeDebugPrivilege	4980	cmd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 4980	3044	Chaos-0b.exe	96
PID 3044 wrote to memory of 4980	3044	Chaos-0b.exe	96
PID 4980 wrote to memory of 3316	4980	cmd.exe	97
PID 4980 wrote to memory of 3316	4980	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\Chaos-0b\Chaos-0b.exe
"C:\Users\Admin\AppData\Local\Temp\Chaos-0b\Chaos-0b.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Roaming\cmd.exe
  "C:\Users\Admin\AppData\Roaming\cmd.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Sets desktop wallpaper using registry
  - Modifies registry class
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4980
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\READ ME.txt
    3⤵
    PID:3316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

C:\Users\Admin\AppData\Roaming\cmd.exe

Filesize
9.1MB

MD5
ffdfb4889a8af7fee5c0d60731b3ff1b

SHA1
5e968b7cf87b36bf705882fb13e4774ef38f2386

SHA256
12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9

SHA512
d9f8431cfe9e9999d1ac9957c99b18b45d38af2af612fe32b4c4573468e829b67619083e5b5f777ac2284131b38c0df973501138bb56b5e553303eb78ccc1073

Download Submit
C:\Users\Admin\Desktop\READ ME.txt

Filesize
4KB

MD5
dfbf00a3afad2e28a5bb13612d4c2a2e

SHA1
a4b6a18b6a9912a197c9f08f2aeb4d186a0ffbb5

SHA256
81b596a9c8f0a18cf365c00318d8dd5e0124acb8eae52d3de72f582209e9ea39

SHA512
09c7a97a8ce6c701f890c24ca1291823bf51ab7ab0a132bd88f0e5d9ca9994b4372e8c89de71d038ae1fc70fce7e2950d668b0c360e19be4ec1bd3f181abf10b

Download Submit
memory/3044-0-0x00007FFBC52D3000-0x00007FFBC52D5000-memory.dmp

Filesize
8KB

Download
memory/3044-1-0x0000000000620000-0x0000000000F48000-memory.dmp

Filesize
9.2MB

Download
memory/3044-2-0x00007FFBC52D3000-0x00007FFBC52D5000-memory.dmp

Filesize
8KB

Download
memory/4980-15-0x00007FFBC52D0000-0x00007FFBC5D91000-memory.dmp

Filesize
10.8MB

Download
memory/4980-76-0x00007FFBC52D0000-0x00007FFBC5D91000-memory.dmp

Filesize
10.8MB

Download
memory/4980-77-0x00007FFBC52D0000-0x00007FFBC5D91000-memory.dmp

Filesize
10.8MB

Download