chaos | e019c6f094965c3bccc0a7ba09bfb09c4ff7059795da5b66b6e7a7c0ac8ef7ef

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 01:47

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General

Target

2025-01-10_098bdcd33912b17a7641ab7affdeea84_wannacry.exe
Size

520KB
MD5

098bdcd33912b17a7641ab7affdeea84
SHA1

1b70504866a1449be722131eab31f345af2687bf
SHA256

e019c6f094965c3bccc0a7ba09bfb09c4ff7059795da5b66b6e7a7c0ac8ef7ef
SHA512

c133a6f237862aa5a8ed78d31eb185119b379df9148cb98933dff4cbdc87fa0158d34ffd74efd3db3060c01f8432b41bd3728218f7a6330a43b37c0d3a361736
SSDEEP

3072:2EL8c9EiaBEUD/rDuuK5Khcd4T/EumQYnpsGKf7P:2EL8c9e3uuMKhcd4TGl2GKf

Score

10^/10

chaos ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\read_it.txt

Ransom Note

~~~LucKY_Gh0$t~~~ >>>> All your important files are encrypted !!! The data will not be decrypted if you do not pay the ransom >>>> What guarantees that we will not deceive you? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. Life is too short to be sad. Be not sad, money, it is only paper. If we do not give you decrypters, or we do not delete your data after payment, then nobody will pay us in the future. Therefore to us our reputation is very important. We attack the companies worldwide and there is no dissatisfied victim after payment. >>>> Contact: Download and install SESSION (https://getsession.org) Our SESSION id: 05e18b4f1919469a2581ec63e75edee4f9be440bde926cf1cc3aedf1115ade5655 Write to a chat and wait for the answer, we will always answer you. Sometimes you will need to wait for our answer because we attack many companies. >>>> Your personal DECRYPTION ID: U0001 >>>> Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems! >>>> Warning! If you do not pay the ransom we will attack your company repeatedly again!

URLs

https://getsession.org

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/2116-1-0x0000000000C30000-0x0000000000CB6000-memory.dmp	family_chaos
behavioral1/files/0x0005000000010300-5.dat	family_chaos
behavioral1/memory/2864-7-0x0000000000C70000-0x0000000000CF6000-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\read_it.txt	svchost.exe
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

Executes dropped EXE 1 IoCs

pid	Process
2864	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) 64 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PG1T8SOQ\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Downloads\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\CW1M20CU\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\desktop.ini	svchost.exe
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\All Users\Microsoft\Windows\Start Menu\Programs\Games\Desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\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\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\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\Programs\Administrative Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Libraries\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\C1JHBK4W\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\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\Libraries\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\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\N5RJMVSE\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\SendTo\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\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Recorded TV\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\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\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\I618Z2Y3\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\Searches\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-1488793075-819845221-1497111674-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\691RDNCS\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\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\Downloads\desktop.ini	svchost.exe
File opened for modification	C:\Users\All Users\Microsoft\Windows\Ringtones\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	svchost.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\DFSC7KT7\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	svchost.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-1-5-21-1488793075-819845221-1497111674-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2wy1hex8u.jpg"	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
2336	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2864	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2116	2025-01-10_098bdcd33912b17a7641ab7affdeea84_wannacry.exe
2116	2025-01-10_098bdcd33912b17a7641ab7affdeea84_wannacry.exe
2116	2025-01-10_098bdcd33912b17a7641ab7affdeea84_wannacry.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe
2864	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	2025-01-10_098bdcd33912b17a7641ab7affdeea84_wannacry.exe
Token: SeDebugPrivilege	2864	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2864	2116	2025-01-10_098bdcd33912b17a7641ab7affdeea84_wannacry.exe	30
PID 2116 wrote to memory of 2864	2116	2025-01-10_098bdcd33912b17a7641ab7affdeea84_wannacry.exe	30
PID 2116 wrote to memory of 2864	2116	2025-01-10_098bdcd33912b17a7641ab7affdeea84_wannacry.exe	30
PID 2864 wrote to memory of 2336	2864	svchost.exe	31
PID 2864 wrote to memory of 2336	2864	svchost.exe	31
PID 2864 wrote to memory of 2336	2864	svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\2025-01-10_098bdcd33912b17a7641ab7affdeea84_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-10_098bdcd33912b17a7641ab7affdeea84_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2116
- 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)
  - Sets desktop wallpaper using registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2864
- - 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:2336

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

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\read_it.txt

Filesize
1KB

MD5
4c869c36a201d53bd164590b61e6cd21

SHA1
97a49d49c317865b29751005e2de195ec905db55

SHA256
02354567f25b75e9861a6ce9d7f6fb52984b1f7ab40d1a5d61f1bead7db915c7

SHA512
2f1b8b5072e971070d24b54e24169bd57c1855cc2ea4da810c7025317dc7dcc3fee94a2ac42642dff1631928b2ed9eb58ad0abd4ddcdbbc9832ac7ffdf51f669

Download Submit
C:\Users\Admin\AppData\Roaming\ConvertRevoke.jpg

Filesize
1B

MD5
d1457b72c3fb323a2671125aef3eab5d

SHA1
5bab61eb53176449e25c2c82f172b82cb13ffb9d

SHA256
8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

SHA512
ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

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

Filesize
520KB

MD5
098bdcd33912b17a7641ab7affdeea84

SHA1
1b70504866a1449be722131eab31f345af2687bf

SHA256
e019c6f094965c3bccc0a7ba09bfb09c4ff7059795da5b66b6e7a7c0ac8ef7ef

SHA512
c133a6f237862aa5a8ed78d31eb185119b379df9148cb98933dff4cbdc87fa0158d34ffd74efd3db3060c01f8432b41bd3728218f7a6330a43b37c0d3a361736

Download Submit
memory/2116-0-0x000007FEF6163000-0x000007FEF6164000-memory.dmp

Filesize
4KB

Download
memory/2116-1-0x0000000000C30000-0x0000000000CB6000-memory.dmp

Filesize
536KB

Download
memory/2864-7-0x0000000000C70000-0x0000000000CF6000-memory.dmp

Filesize
536KB

Download
memory/2864-9-0x000007FEF6160000-0x000007FEF6B4C000-memory.dmp

Filesize
9.9MB

Download
memory/2864-68-0x000007FEF6160000-0x000007FEF6B4C000-memory.dmp

Filesize
9.9MB

Download
memory/2864-992-0x000007FEF6160000-0x000007FEF6B4C000-memory.dmp

Filesize
9.9MB

Download