chaos | 35b456e5065780b4bfb69554d4e1bac0e64250602ab654f3b5d7fcd533935d12

General

Target

2024-11-08_404f8b6b8cd29e101c9107bf036ff2f7_chaos_destroyer_wannacry.exe
Size

19KB
MD5

404f8b6b8cd29e101c9107bf036ff2f7
SHA1

b4a2f3a22ef6c312ed0ee196da42da3f7684b922
SHA256

35b456e5065780b4bfb69554d4e1bac0e64250602ab654f3b5d7fcd533935d12
SHA512

7cb0b5be5d3f76f4af90306d56c228e5b1fea3e6beb83eb69dc9b5047f43a7920d2c4f28daa161c88ba8ce1f30e87f6ce80800a2449cb49d4599df45efb34ec1
SSDEEP

384:p3Mg/bqo2OOp4ijOj7J2r91C7yBxb0eW:7qo2XpROjN2r9EyBxb0eW

Score

10^/10

chaos ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/316-1-0x0000000000D10000-0x0000000000D1C000-memory.dmp	family_chaos
C:\Users\Admin\AppData\Roaming\svchost.exe	family_chaos
behavioral1/memory/2540-7-0x0000000000230000-0x000000000023C000-memory.dmp	family_chaos

Chaos family
chaos
Drops startup file 1 IoCs

Processes:

svchost.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url svchost.exe
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2540 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
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

Processes:

NOTEPAD.EXE

pid process

2812 NOTEPAD.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

svchost.exe

pid process

2540 svchost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url	svchost.exe

pid	process
2540	svchost.exe

pid	process
2812	NOTEPAD.EXE

pid	process
2540	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

2024-11-08_404f8b6b8cd29e101c9107bf036ff2f7_chaos_destroyer_wannacry.exesvchost.exe

pid	process
316	2024-11-08_404f8b6b8cd29e101c9107bf036ff2f7_chaos_destroyer_wannacry.exe
316	2024-11-08_404f8b6b8cd29e101c9107bf036ff2f7_chaos_destroyer_wannacry.exe
316	2024-11-08_404f8b6b8cd29e101c9107bf036ff2f7_chaos_destroyer_wannacry.exe
2540	svchost.exe
2540	svchost.exe
2540	svchost.exe
2540	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2024-11-08_404f8b6b8cd29e101c9107bf036ff2f7_chaos_destroyer_wannacry.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	316	2024-11-08_404f8b6b8cd29e101c9107bf036ff2f7_chaos_destroyer_wannacry.exe
Token: SeDebugPrivilege	2540	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2024-11-08_404f8b6b8cd29e101c9107bf036ff2f7_chaos_destroyer_wannacry.exesvchost.exe

description	pid	process	target process
PID 316 wrote to memory of 2540	316	2024-11-08_404f8b6b8cd29e101c9107bf036ff2f7_chaos_destroyer_wannacry.exe	svchost.exe
PID 316 wrote to memory of 2540	316	2024-11-08_404f8b6b8cd29e101c9107bf036ff2f7_chaos_destroyer_wannacry.exe	svchost.exe
PID 316 wrote to memory of 2540	316	2024-11-08_404f8b6b8cd29e101c9107bf036ff2f7_chaos_destroyer_wannacry.exe	svchost.exe
PID 2540 wrote to memory of 2812	2540	svchost.exe	NOTEPAD.EXE
PID 2540 wrote to memory of 2812	2540	svchost.exe	NOTEPAD.EXE
PID 2540 wrote to memory of 2812	2540	svchost.exe	NOTEPAD.EXE

C:\Users\Admin\AppData\Local\Temp\2024-11-08_404f8b6b8cd29e101c9107bf036ff2f7_chaos_destroyer_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-08_404f8b6b8cd29e101c9107bf036ff2f7_chaos_destroyer_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:316
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\read_it.txt

Filesize
964B

MD5
4217b8b83ce3c3f70029a056546f8fd0

SHA1
487cdb5733d073a0427418888e8f7070fe782a03

SHA256
7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121

SHA512
2a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
19KB

MD5
404f8b6b8cd29e101c9107bf036ff2f7

SHA1
b4a2f3a22ef6c312ed0ee196da42da3f7684b922

SHA256
35b456e5065780b4bfb69554d4e1bac0e64250602ab654f3b5d7fcd533935d12

SHA512
7cb0b5be5d3f76f4af90306d56c228e5b1fea3e6beb83eb69dc9b5047f43a7920d2c4f28daa161c88ba8ce1f30e87f6ce80800a2449cb49d4599df45efb34ec1

Download Submit
memory/316-0-0x000007FEF5F83000-0x000007FEF5F84000-memory.dmp

Filesize
4KB

Download
memory/316-1-0x0000000000D10000-0x0000000000D1C000-memory.dmp

Filesize
48KB

Download
memory/2540-7-0x0000000000230000-0x000000000023C000-memory.dmp

Filesize
48KB

Download
memory/2540-17-0x000007FEF5F80000-0x000007FEF696C000-memory.dmp

Filesize
9.9MB

Download
memory/2540-22-0x000007FEF5F80000-0x000007FEF696C000-memory.dmp

Filesize
9.9MB

Download
memory/2540-24-0x000007FEF5F80000-0x000007FEF696C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads