chaos | df3db5234c45f2efb4bc5dd123585c61a48947b9dbdbea23e8b9fc95ea3ca447

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 13:40

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General

Target

2024-11-19_e952c01794882b950ec2fca03b7e4f56_chaos_destroyer_wannacry.exe
Size

22KB
MD5

e952c01794882b950ec2fca03b7e4f56
SHA1

7f9a75920d07eca7fb6624d282a8a7dee4f2481f
SHA256

df3db5234c45f2efb4bc5dd123585c61a48947b9dbdbea23e8b9fc95ea3ca447
SHA512

b42cc6ce9401e8ce55ce9f80ff26cf18a88ecbe0ed8650feabbf45c84651661db19da466944021315ec2e5a886e3ed039a4f010ef33bd511b8f595287600f43d
SSDEEP

384:H/3MLWHn3kI3fDqoIQpRx4+CbJ8r91Cz5b2Ke6:Ln3kIGLQp34+S8r9i5b7e6

Score

10^/10

chaos ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\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 $2000. 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: 0.0273766 BTC Bitcoin Address: bc1q2xaf60lmzd40vvv3uzyxmjdqlngjjuj6fy9tv9

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/1732-1-0x0000000000990000-0x000000000099C000-memory.dmp	family_chaos
behavioral1/files/0x00080000000120ff-5.dat	family_chaos
behavioral1/memory/3056-7-0x0000000001160000-0x000000000116C000-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\gtaV.url	gtaV.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini	gtaV.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\read_it.txt	gtaV.exe

Executes dropped EXE 1 IoCs

pid	Process
3056	gtaV.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	C:\Users\Admin\Favorites\Links for United States\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Public\Videos\Sample Videos\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Public\Documents\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Public\Music\Sample Music\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\Saved Games\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\Favorites\Links\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Public\Music\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\Videos\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	gtaV.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-3533259084-2542256011-65585152-1000\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\Favorites\desktop.ini	gtaV.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	gtaV.exe
File opened for modification	C:\Users\Public\Desktop\desktop.ini	gtaV.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
2880	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3056	gtaV.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1732	2024-11-19_e952c01794882b950ec2fca03b7e4f56_chaos_destroyer_wannacry.exe
1732	2024-11-19_e952c01794882b950ec2fca03b7e4f56_chaos_destroyer_wannacry.exe
1732	2024-11-19_e952c01794882b950ec2fca03b7e4f56_chaos_destroyer_wannacry.exe
3056	gtaV.exe
3056	gtaV.exe
3056	gtaV.exe
3056	gtaV.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	2024-11-19_e952c01794882b950ec2fca03b7e4f56_chaos_destroyer_wannacry.exe
Token: SeDebugPrivilege	3056	gtaV.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 3056	1732	2024-11-19_e952c01794882b950ec2fca03b7e4f56_chaos_destroyer_wannacry.exe	30
PID 1732 wrote to memory of 3056	1732	2024-11-19_e952c01794882b950ec2fca03b7e4f56_chaos_destroyer_wannacry.exe	30
PID 1732 wrote to memory of 3056	1732	2024-11-19_e952c01794882b950ec2fca03b7e4f56_chaos_destroyer_wannacry.exe	30
PID 3056 wrote to memory of 2880	3056	gtaV.exe	31
PID 3056 wrote to memory of 2880	3056	gtaV.exe	31
PID 3056 wrote to memory of 2880	3056	gtaV.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-11-19_e952c01794882b950ec2fca03b7e4f56_chaos_destroyer_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-19_e952c01794882b950ec2fca03b7e4f56_chaos_destroyer_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Roaming\gtaV.exe
  "C:\Users\Admin\AppData\Roaming\gtaV.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:3056
- - 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:2880

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\gtaV.exe

Filesize
22KB

MD5
e952c01794882b950ec2fca03b7e4f56

SHA1
7f9a75920d07eca7fb6624d282a8a7dee4f2481f

SHA256
df3db5234c45f2efb4bc5dd123585c61a48947b9dbdbea23e8b9fc95ea3ca447

SHA512
b42cc6ce9401e8ce55ce9f80ff26cf18a88ecbe0ed8650feabbf45c84651661db19da466944021315ec2e5a886e3ed039a4f010ef33bd511b8f595287600f43d

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

Filesize
963B

MD5
e204eb2bbb495c7029d544b80811a01d

SHA1
08625a30f0a66cd9e647d803e0a0cd8ce4d8eb32

SHA256
94bef321ab999b3606048aba4ef8b21f7c0f420ff782a022277e0ce5cd78aa43

SHA512
4a4d3c8dbefa1fbeba0fc38f1c6402c1461eace148ae588496120886fb166289b1e351d6254ee9ea093d4c1972688eff558ce0d87b70390ea0e71d691622bb55

Download Submit
memory/1732-0-0x000007FEF5683000-0x000007FEF5684000-memory.dmp

Filesize
4KB

Download
memory/1732-1-0x0000000000990000-0x000000000099C000-memory.dmp

Filesize
48KB

Download
memory/3056-7-0x0000000001160000-0x000000000116C000-memory.dmp

Filesize
48KB

Download
memory/3056-15-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

Filesize
9.9MB

Download
memory/3056-71-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

Filesize
9.9MB

Download
memory/3056-73-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

Filesize
9.9MB

Download