chaos | 37e67d7687cbab77fd57096bbbd31ec2491f293a4e39d04ee0247109030a611a

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
12-02-2025 23:01

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General

Target

2025-02-12_5464b1193f7979e121da4b48323a263f_wannacry.exe
Size

132KB
MD5

5464b1193f7979e121da4b48323a263f
SHA1

4206ba97e8de89d47cdab4441e10829d9ae0f69e
SHA256

37e67d7687cbab77fd57096bbbd31ec2491f293a4e39d04ee0247109030a611a
SHA512

1b5f02952d985360f7a173501fba4900712b1381ef3ddff48891c5b1ba44f7d25690670da26865e576952a5c0f656d4803444bd1390eafe903817f41ef48e1d6
SSDEEP

1536:I3kIowImQr9i9L8PHzbSIS0bvB2GsMTUhdo0Bon8:I3kBmQr9i9LEbDvB2GsMTUhdo0Bo

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 $1,500. 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: 0.1473766 BTC Bitcoin Address: 196uiHAt1nC4Gch5SDLV14DMfZg8DxDAui

Wallets

196uiHAt1nC4Gch5SDLV14DMfZg8DxDAui

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/1900-1-0x0000000000070000-0x0000000000096000-memory.dmp	family_chaos
behavioral1/files/0x000b00000001222e-5.dat	family_chaos
behavioral1/memory/2160-7-0x0000000000D40000-0x0000000000D66000-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
2160	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	C:\Users\Admin\Favorites\Links\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\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Links\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\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\Public\Documents\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\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\Downloads\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\Internet Explorer\Quick Launch\User Pinned\TaskBar\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	C:\Users\Admin\Saved Games\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\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\System Tools\Desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-677481364-2238709445-1347953534-1000\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\Favorites\Links for United States\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\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\Administrative Tools\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\Public\Music\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Videos\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
1784	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2160	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1900	2025-02-12_5464b1193f7979e121da4b48323a263f_wannacry.exe
1900	2025-02-12_5464b1193f7979e121da4b48323a263f_wannacry.exe
1900	2025-02-12_5464b1193f7979e121da4b48323a263f_wannacry.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1900	2025-02-12_5464b1193f7979e121da4b48323a263f_wannacry.exe
Token: SeDebugPrivilege	2160	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2160	1900	2025-02-12_5464b1193f7979e121da4b48323a263f_wannacry.exe	30
PID 1900 wrote to memory of 2160	1900	2025-02-12_5464b1193f7979e121da4b48323a263f_wannacry.exe	30
PID 1900 wrote to memory of 2160	1900	2025-02-12_5464b1193f7979e121da4b48323a263f_wannacry.exe	30
PID 2160 wrote to memory of 1784	2160	svchost.exe	31
PID 2160 wrote to memory of 1784	2160	svchost.exe	31
PID 2160 wrote to memory of 1784	2160	svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\2025-02-12_5464b1193f7979e121da4b48323a263f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-12_5464b1193f7979e121da4b48323a263f_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900
- 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:2160
- - 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:1784

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

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Downloads

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

Filesize
132KB

MD5
5464b1193f7979e121da4b48323a263f

SHA1
4206ba97e8de89d47cdab4441e10829d9ae0f69e

SHA256
37e67d7687cbab77fd57096bbbd31ec2491f293a4e39d04ee0247109030a611a

SHA512
1b5f02952d985360f7a173501fba4900712b1381ef3ddff48891c5b1ba44f7d25690670da26865e576952a5c0f656d4803444bd1390eafe903817f41ef48e1d6

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

Filesize
956B

MD5
502cb06f7f2bf774646b6301ca1a5647

SHA1
8af2b03901ef7d631db910d345efd49ec27c0846

SHA256
5e19889e723eceb47ea980b0bff257dc68e1441ade5b9b4ecdc7e016095be5f0

SHA512
2cdabaacc0259f2397e3cb5e25d262a5971c1634165867a6d4b15a1c608ea0c0f99889e163087d39cc25fa6712e398534c438e47832fc581a84dc8d37829dc31

Download Submit
memory/1900-0-0x000007FEF5B93000-0x000007FEF5B94000-memory.dmp

Filesize
4KB

Download
memory/1900-1-0x0000000000070000-0x0000000000096000-memory.dmp

Filesize
152KB

Download
memory/2160-7-0x0000000000D40000-0x0000000000D66000-memory.dmp

Filesize
152KB

Download
memory/2160-9-0x000007FEF5B90000-0x000007FEF657C000-memory.dmp

Filesize
9.9MB

Download
memory/2160-70-0x000007FEF5B90000-0x000007FEF657C000-memory.dmp

Filesize
9.9MB

Download
memory/2160-72-0x000007FEF5B90000-0x000007FEF657C000-memory.dmp

Filesize
9.9MB

Download