chaos | c3a049f17bc0c0f7d3d11d492f296986031c71ae149ed6b90ff0bc8a1634dc71

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 11:00

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General

Target

20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
Size

23KB
MD5

440f3397eb7383db78163e891b2517f3
SHA1

993e5257514d7cd6d6962ece0b39fe02fdda9e9b
SHA256

c3a049f17bc0c0f7d3d11d492f296986031c71ae149ed6b90ff0bc8a1634dc71
SHA512

a95cdc94878efd44ca84146a8e32dae462c3d22bfff38614aabe9eebb071f47509332c0e085afedebbbdca6afd94821dea65d72da4b4a304b00354dc242cddfb
SSDEEP

384:g3Mg/bqo2SgyOg/Uzv3pdBwTgJNr91C7Lb5uec:eqo2i14pdcINr9ELbMec

Score

10^/10

chaos ransomware spyware stealer

Malware Config

Extracted

Path

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

Family

chaos

Ransom Note

----> Chaos is multi language ransomware. Translate your note to any language <---- All of your files have been encrypted 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 $1,500. Payment can be made in Bitcoin only. How do I pay, where do I get 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. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0.1473766 BTC Bitcoin Address: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 1 IoCs

resource	yara_rule
behavioral1/memory/2208-1-0x0000000000C10000-0x0000000000C1C000-memory.dmp	family_chaos

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.url	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.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\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\Favorites\Links for United States\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-2172136094-3310281978-782691160-1000\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
File opened for modification	C:\Users\Public\Videos\Sample Videos\desktop.ini	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe

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

System Information Discovery
T1082

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1916	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2208	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2208	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
2208	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 1916	2208	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe	30
PID 2208 wrote to memory of 1916	2208	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe	30
PID 2208 wrote to memory of 1916	2208	20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe	30

C:\Users\Admin\AppData\Local\Temp\20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe
"C:\Users\Admin\AppData\Local\Temp\20240820440f3397eb7383db78163e891b2517f3chaosdestroyerwannacry.exe"
1⤵
- Drops startup file
- Drops desktop.ini file(s)
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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

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Downloads

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

Filesize
964B

MD5
4217b8b83ce3c3f70029a056546f8fd0

SHA1
487cdb5733d073a0427418888e8f7070fe782a03

SHA256
7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121

SHA512
2a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740

Download Submit
memory/2208-0-0x000007FEF5D93000-0x000007FEF5D94000-memory.dmp

Filesize
4KB

Download
memory/2208-1-0x0000000000C10000-0x0000000000C1C000-memory.dmp

Filesize
48KB

Download
memory/2208-15-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

Filesize
9.9MB

Download
memory/2208-465-0x000007FEF5D93000-0x000007FEF5D94000-memory.dmp

Filesize
4KB

Download
memory/2208-466-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

Filesize
9.9MB

Download