chaos | 43ce9f0cc8826d95942cb68e66603be2b61604d173ae5d6e48e24a311d68c40d

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 23:25

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General

Target

2024-09-12_f5414e93aa1483962148b1e73058156a_destroyer_wannacry.exe
Size

23KB
MD5

f5414e93aa1483962148b1e73058156a
SHA1

a48ea50789321e999868d33cb5c373fca86fe9b3
SHA256

43ce9f0cc8826d95942cb68e66603be2b61604d173ae5d6e48e24a311d68c40d
SHA512

215d5c028998ec10cc8f17a4e4b54db1a5a8ab932b6cf602c8cc83547b07495662f492f39f4ffd1893ebc469a3541c07999073a996ce00173ad26c6e09c70f85
SSDEEP

384:s3Mg/bqo2m0XM3oGJZRxNStpUqjuwzULJ1r91C4oUDfeq:Sqo2LLG8tphjK91r9noUzeq

Score

10^/10

chaos ransomware spyware stealer

Malware Config

Extracted

Path

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

Ransom Note

All of your files have been stolen and encrypted, we have downloaded sensitive and compromising data from your system/network including your financial data and network map. Your files have been encrypted and you won't be able to decrypt them without our help. If you modify the files you won't be able to decrypt them You can try whatever you wanna try but don't modify the files, they'll be damaged and impossible to decrypt. it's nothing personal, it's all about money. have a great day. Bitcoin Address: bc1qpn32q8a3jykzpfnrv6crqulk7wguaryhxzadqa Non payment will result in your data being published. YOU HAVE 7 DAYS, AFTER 3 DAYS THE MONEY DOUBLES. You can contact us using Tox messenger https://tox.chat/download.html. Tox ID : EEC1A34EA55C1DBC63D8BCC4779D93BB64FC9036C82210467DEB1948A3ABC2248CE1CAB7A181 You need contact us and decrypt one file for free on TOX messenger with your personal DECRYPTION ID 496

URLs

https://tox.chat/download.html

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/1876-1-0x0000000000E60000-0x0000000000E6C000-memory.dmp	family_chaos
behavioral1/memory/2800-7-0x0000000000BD0000-0x0000000000BDC000-memory.dmp	family_chaos
behavioral1/files/0x0007000000012117-6.dat	family_chaos

Drops startup file 3 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
2800	svchost.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\Music\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\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\Sample Videos\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\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-3290804112-2823094203-3137964600-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\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\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\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\Accessibility\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\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\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\Windows\Start Menu\Programs\Maintenance\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\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

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
532	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2800	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1876	2024-09-12_f5414e93aa1483962148b1e73058156a_destroyer_wannacry.exe
1876	2024-09-12_f5414e93aa1483962148b1e73058156a_destroyer_wannacry.exe
1876	2024-09-12_f5414e93aa1483962148b1e73058156a_destroyer_wannacry.exe
2800	svchost.exe
2800	svchost.exe
2800	svchost.exe
2800	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1876	2024-09-12_f5414e93aa1483962148b1e73058156a_destroyer_wannacry.exe
Token: SeDebugPrivilege	2800	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 2800	1876	2024-09-12_f5414e93aa1483962148b1e73058156a_destroyer_wannacry.exe	30
PID 1876 wrote to memory of 2800	1876	2024-09-12_f5414e93aa1483962148b1e73058156a_destroyer_wannacry.exe	30
PID 1876 wrote to memory of 2800	1876	2024-09-12_f5414e93aa1483962148b1e73058156a_destroyer_wannacry.exe	30
PID 2800 wrote to memory of 532	2800	svchost.exe	32
PID 2800 wrote to memory of 532	2800	svchost.exe	32
PID 2800 wrote to memory of 532	2800	svchost.exe	32

C:\Users\Admin\AppData\Local\Temp\2024-09-12_f5414e93aa1483962148b1e73058156a_destroyer_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_f5414e93aa1483962148b1e73058156a_destroyer_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1876
- 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:2800
- - 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:532

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\AppData\Roaming\svchost.exe

Filesize
23KB

MD5
f5414e93aa1483962148b1e73058156a

SHA1
a48ea50789321e999868d33cb5c373fca86fe9b3

SHA256
43ce9f0cc8826d95942cb68e66603be2b61604d173ae5d6e48e24a311d68c40d

SHA512
215d5c028998ec10cc8f17a4e4b54db1a5a8ab932b6cf602c8cc83547b07495662f492f39f4ffd1893ebc469a3541c07999073a996ce00173ad26c6e09c70f85

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

Filesize
936B

MD5
6c95753d076566628ffe5f4c2b87fde3

SHA1
277330e99f3e43377412b78fa649ec152f5f00e2

SHA256
174ffbad56d2d862bd1d2ee488d5ac0a5d14a44379c93111c139236145fdbff8

SHA512
9068c94eeb9e6abb7472bc52a7e9b531b9c7ebc3b1332ce7809623379bcdb1ab13af5cb02e144f15775310a41175995192049374f69aaa9f0b2245889c1950ea

Download Submit
memory/1876-0-0x000007FEF5753000-0x000007FEF5754000-memory.dmp

Filesize
4KB

Download
memory/1876-1-0x0000000000E60000-0x0000000000E6C000-memory.dmp

Filesize
48KB

Download
memory/2800-7-0x0000000000BD0000-0x0000000000BDC000-memory.dmp

Filesize
48KB

Download
memory/2800-17-0x000007FEF5750000-0x000007FEF613C000-memory.dmp

Filesize
9.9MB

Download
memory/2800-22-0x000007FEF5750000-0x000007FEF613C000-memory.dmp

Filesize
9.9MB

Download
memory/2800-488-0x000007FEF5750000-0x000007FEF613C000-memory.dmp

Filesize
9.9MB

Download