chaos | 82292c97320930e05de815d6d6ecd6e62f5dca9bdfbf8c4f700cbdc8318daea2

Resubmissions

14-01-2025 13:50

250114-q5l6bs1qhp 10

13-01-2025 02:34

250113-c2mqss1qcs 10

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 02:34

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General

Target

2025-01-13_f486b46ddbd248c5182799957e6f469b_chaos_destroyer_wannacry.exe
Size

22KB
MD5

f486b46ddbd248c5182799957e6f469b
SHA1

2a58267aa820634e8ec5c395f797dc612ae267d4
SHA256

82292c97320930e05de815d6d6ecd6e62f5dca9bdfbf8c4f700cbdc8318daea2
SHA512

9e24a7c94b4c795d56f6ec17f3c21d364bd6e134b6480a6dd751e09fe5e358c32a33027005c1b0a95f98330824176e095a663077a972239658863339d24e61a4
SSDEEP

384:G3MLWHn3kIxfrD5SWPpO+sBIgOk+JFr91Czr4PeC:qn3kIOWPpDOiFr9ikeC

Score

10^/10

chaos ransomware spyware stealer

Malware Config

Extracted

Path

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

Ransom Note

Your computer was locked 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 depends. 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 site to be fast and reliable: coinbase.com Message @lulzed on telegram for more information

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/1688-1-0x0000000000F20000-0x0000000000F2C000-memory.dmp	family_chaos
behavioral1/files/0x000e000000012267-5.dat	family_chaos
behavioral1/memory/1104-7-0x0000000000FA0000-0x0000000000FAC000-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\svchost.url	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1104	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

Drops desktop.ini file(s) 34 IoCs

description	ioc	Process
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-3692679935-4019334568-335155002-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\Links for United States\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\Sample Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	svchost.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
2316	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1104	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1688	2025-01-13_f486b46ddbd248c5182799957e6f469b_chaos_destroyer_wannacry.exe
1688	2025-01-13_f486b46ddbd248c5182799957e6f469b_chaos_destroyer_wannacry.exe
1688	2025-01-13_f486b46ddbd248c5182799957e6f469b_chaos_destroyer_wannacry.exe
1104	svchost.exe
1104	svchost.exe
1104	svchost.exe
1104	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1688	2025-01-13_f486b46ddbd248c5182799957e6f469b_chaos_destroyer_wannacry.exe
Token: SeDebugPrivilege	1104	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1104	1688	2025-01-13_f486b46ddbd248c5182799957e6f469b_chaos_destroyer_wannacry.exe	30
PID 1688 wrote to memory of 1104	1688	2025-01-13_f486b46ddbd248c5182799957e6f469b_chaos_destroyer_wannacry.exe	30
PID 1688 wrote to memory of 1104	1688	2025-01-13_f486b46ddbd248c5182799957e6f469b_chaos_destroyer_wannacry.exe	30
PID 1104 wrote to memory of 2316	1104	svchost.exe	32
PID 1104 wrote to memory of 2316	1104	svchost.exe	32
PID 1104 wrote to memory of 2316	1104	svchost.exe	32

C:\Users\Admin\AppData\Local\Temp\2025-01-13_f486b46ddbd248c5182799957e6f469b_chaos_destroyer_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-13_f486b46ddbd248c5182799957e6f469b_chaos_destroyer_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1104
- - 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:2316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

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

Filesize
22KB

MD5
f486b46ddbd248c5182799957e6f469b

SHA1
2a58267aa820634e8ec5c395f797dc612ae267d4

SHA256
82292c97320930e05de815d6d6ecd6e62f5dca9bdfbf8c4f700cbdc8318daea2

SHA512
9e24a7c94b4c795d56f6ec17f3c21d364bd6e134b6480a6dd751e09fe5e358c32a33027005c1b0a95f98330824176e095a663077a972239658863339d24e61a4

Download Submit
C:\Users\Admin\Desktop\read_it.txt

Filesize
787B

MD5
84ccbf564232c1c923d3c6f9ebe230fd

SHA1
e56b20d2a809441beb73d295f0c3c8e5f7164315

SHA256
7a70a15dbebc587a3a421f07d12e799a223a23c50eeeaf0e800e996d10ff7dd7

SHA512
e54f5eb12057cc14d355e95cc81f0746e373c2f16c12244a47fe08338bf53aa22057d77a9b59b19e97d040e4147b1ea5dc673cd5a1c49f52856f2df150f42353

Download Submit
memory/1104-7-0x0000000000FA0000-0x0000000000FAC000-memory.dmp

Filesize
48KB

Download
memory/1104-9-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/1104-72-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/1104-73-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

Filesize
9.9MB

Download
memory/1688-0-0x000007FEF5DD3000-0x000007FEF5DD4000-memory.dmp

Filesize
4KB

Download
memory/1688-1-0x0000000000F20000-0x0000000000F2C000-memory.dmp

Filesize
48KB

Download