chaos | ba947b4af068fab3547ef84d5c8c0a86dba6a85809d9583616cef32cb299572c

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
28/07/2024, 06:28

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General

Target

2024-07-28_88995b9826e89236f12458e80ac31eea_chaos_destroyer_wannacry.exe
Size

22KB
MD5

88995b9826e89236f12458e80ac31eea
SHA1

4b17782e920efd664c407dc1bd98674c24dab1de
SHA256

ba947b4af068fab3547ef84d5c8c0a86dba6a85809d9583616cef32cb299572c
SHA512

b74f766a90c54df54e00b75725f969f270cbbe08d6d8a18a3da23a700b901eeded3d0681aad526abc1ac13fdf6614aaef0673336039364d2d63674c5e2a35983
SSDEEP

384:/3MLWHn3kIxSmbGiWWpWKg4+C/Jnr91Cz/web:rn3kIrSibpng4+2nr9iIeb

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 a measly £40/$50. 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. Payment informationAmount: 0.00076128 BTC Bitcoin Address: bc1qp2m999zuy746fjxevpynsyz6hlm4mqecx5mw02

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/2216-1-0x0000000000180000-0x000000000018C000-memory.dmp	family_chaos
behavioral1/files/0x000b000000012281-5.dat	family_chaos
behavioral1/memory/1888-7-0x0000000000880000-0x000000000088C000-memory.dmp	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
1888	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\Favorites\Links\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\Music\Sample 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\Public\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\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\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\Sample Pictures\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-3294248377-1418901787-4083263181-1000\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\Start Menu\Programs\Administrative Tools\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\Maintenance\Desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Music\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\Desktop\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\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\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\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\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\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\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

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
1940	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1888	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2216	2024-07-28_88995b9826e89236f12458e80ac31eea_chaos_destroyer_wannacry.exe
2216	2024-07-28_88995b9826e89236f12458e80ac31eea_chaos_destroyer_wannacry.exe
2216	2024-07-28_88995b9826e89236f12458e80ac31eea_chaos_destroyer_wannacry.exe
1888	svchost.exe
1888	svchost.exe
1888	svchost.exe
1888	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2216	2024-07-28_88995b9826e89236f12458e80ac31eea_chaos_destroyer_wannacry.exe
Token: SeDebugPrivilege	1888	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 1888	2216	2024-07-28_88995b9826e89236f12458e80ac31eea_chaos_destroyer_wannacry.exe	31
PID 2216 wrote to memory of 1888	2216	2024-07-28_88995b9826e89236f12458e80ac31eea_chaos_destroyer_wannacry.exe	31
PID 2216 wrote to memory of 1888	2216	2024-07-28_88995b9826e89236f12458e80ac31eea_chaos_destroyer_wannacry.exe	31
PID 1888 wrote to memory of 1940	1888	svchost.exe	33
PID 1888 wrote to memory of 1940	1888	svchost.exe	33
PID 1888 wrote to memory of 1940	1888	svchost.exe	33

C:\Users\Admin\AppData\Local\Temp\2024-07-28_88995b9826e89236f12458e80ac31eea_chaos_destroyer_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-28_88995b9826e89236f12458e80ac31eea_chaos_destroyer_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2216
- 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:1888
- - 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:1940

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
22KB

MD5
88995b9826e89236f12458e80ac31eea

SHA1
4b17782e920efd664c407dc1bd98674c24dab1de

SHA256
ba947b4af068fab3547ef84d5c8c0a86dba6a85809d9583616cef32cb299572c

SHA512
b74f766a90c54df54e00b75725f969f270cbbe08d6d8a18a3da23a700b901eeded3d0681aad526abc1ac13fdf6614aaef0673336039364d2d63674c5e2a35983

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

Filesize
829B

MD5
ebd471c8c90debc9f36eabaf98ec2fa2

SHA1
7b6d19dd2fe900297cf0eb31f444e54df1d4df6a

SHA256
23334e6d33db56c0d78294913500a61b0330fffb1338f2c22cafcaf7ff97b7e3

SHA512
44b84e086367a47a55a876100e11612531c76dd0413a1496c533ddfefbf3825e2dbd4f53a1e5241bbbba5f189f24f2cdbd4b33f2d69b2903e86e5e9247986fb7

Download Submit
memory/1888-7-0x0000000000880000-0x000000000088C000-memory.dmp

Filesize
48KB

Download
memory/1888-24-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

Filesize
9.9MB

Download
memory/1888-71-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

Filesize
9.9MB

Download
memory/1888-72-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

Filesize
9.9MB

Download
memory/1888-73-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

Filesize
9.9MB

Download
memory/2216-0-0x000007FEF5DB3000-0x000007FEF5DB4000-memory.dmp

Filesize
4KB

Download
memory/2216-1-0x0000000000180000-0x000000000018C000-memory.dmp

Filesize
48KB

Download