chaos | 12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/03/2025, 02:10

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General

Target
12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9.exe
Size 9.1MB
Sample250317-cl1byswzhy
SHA256 12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9
MD5 ffdfb4889a8af7fee5c0d60731b3ff1b
SHA1 5e968b7cf87b36bf705882fb13e4774ef38f2386
SHA512 d9f8431cfe9e9999d1ac9957c99b18b45d38af2af612fe32b4c4573468e829b67619083e5b5f777ac2284131b38c0df973501138bb56b5e553303eb78ccc1073
SSDEEP 6144:ar9SUF0Gbetbpf5+hoIFZ/vNmjLPVwYpE/LpbueRsdxIh7m5hfLPeov23vWENOSe:U7yw2
MD5 SHA1 SHA512 SSDEEP

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--- 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 ---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 3 IoCs

resource	yara_rule
behavioral1/memory/2660-1-0x0000000001350000-0x0000000001C78000-memory.dmp	family_chaos
behavioral1/files/0x002e00000001936b-6.dat	family_chaos
behavioral1/memory/2560-8-0x0000000000330000-0x0000000000C58000-memory.dmp	family_chaos

Chaos family
chaos

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
2560	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\Public\Desktop\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	cmd.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Favorites\Links for United States\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	cmd.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	cmd.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-1846800975-3917212583-2893086201-1000\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Music\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\Public\Pictures\Sample Pictures\desktop.ini	cmd.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	cmd.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Favorites\Links\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\Start Menu\Programs\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Desktop\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\Start Menu\Programs\Maintenance\Desktop.ini	cmd.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	cmd.exe
File opened for modification	C:\Users\Public\Videos\Sample Videos\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\Admin\AppData\Roaming\Microsoft\Windows\Recent\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	C:\Users\Admin\Links\desktop.ini	cmd.exe
File opened for modification	C:\Users\Admin\Downloads\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\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-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e2ts7osuz.jpg"	cmd.exe

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

System Information Discovery
T1082

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2560	cmd.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2660	12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9.exe
2660	12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9.exe
2660	12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9.exe
2560	cmd.exe
2560	cmd.exe
2560	cmd.exe
2560	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9.exe
Token: SeDebugPrivilege	2560	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2560	2660	12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9.exe	31
PID 2660 wrote to memory of 2560	2660	12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9.exe	31
PID 2660 wrote to memory of 2560	2660	12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9.exe	31
PID 2560 wrote to memory of 2648	2560	cmd.exe	32
PID 2560 wrote to memory of 2648	2560	cmd.exe	32
PID 2560 wrote to memory of 2648	2560	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9.exe
"C:\Users\Admin\AppData\Local\Temp\12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Users\Admin\AppData\Roaming\cmd.exe
  "C:\Users\Admin\AppData\Roaming\cmd.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:2560
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\READ ME.txt
    3⤵
    PID:2648

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

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

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Downloads

cmd.exe

Path C:\Users\Admin\AppData\Roaming\cmd.exe
Size 9.1MB
SHA256 12cf510444fbe31d26b0d07046827713acff59310a677041d10a38baa5475bb9
MD5 ffdfb4889a8af7fee5c0d60731b3ff1b
SHA1 5e968b7cf87b36bf705882fb13e4774ef38f2386
SHA512 d9f8431cfe9e9999d1ac9957c99b18b45d38af2af612fe32b4c4573468e829b67619083e5b5f777ac2284131b38c0df973501138bb56b5e553303eb78ccc1073
SSDEEP 6144:ar9SUF0Gbetbpf5+hoIFZ/vNmjLPVwYpE/LpbueRsdxIh7m5hfLPeov23vWENOSe:U7yw2
MD5 SHA1 SHA512 SSDEEP

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READ ME.txt

Path C:\Users\Admin\Desktop\READ ME.txt
Size 4KB
SHA256 81b596a9c8f0a18cf365c00318d8dd5e0124acb8eae52d3de72f582209e9ea39
MD5 dfbf00a3afad2e28a5bb13612d4c2a2e
SHA1 a4b6a18b6a9912a197c9f08f2aeb4d186a0ffbb5
SHA512 09c7a97a8ce6c701f890c24ca1291823bf51ab7ab0a132bd88f0e5d9ca9994b4372e8c89de71d038ae1fc70fce7e2950d668b0c360e19be4ec1bd3f181abf10b
SSDEEP 96:ZD5SShtESFihaC8cECzwpJ0hyG/CnF6SAqOrPBJgEFU17G:Z1VhtESFihRZzcaEGYOrPDbU1a
MD5 SHA1 SHA512 SSDEEP

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memory/2560-8-0x0000000000330000-0x0000000000C58000-memory.dmp

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memory/2560-9-0x000007FEF5EB0000-0x000007FEF689C000-memory.dmp

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memory/2560-75-0x000007FEF5EB0000-0x000007FEF689C000-memory.dmp

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memory/2560-76-0x000007FEF5EB0000-0x000007FEF689C000-memory.dmp

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memory/2660-0-0x000007FEF5EB3000-0x000007FEF5EB4000-memory.dmp

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memory/2660-1-0x0000000001350000-0x0000000001C78000-memory.dmp

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memory/2660-2-0x000007FEF5EB3000-0x000007FEF5EB4000-memory.dmp

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