Analysis
- max time kernel
93s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
09/08/2024, 04:25
General
- Target 2024-08-09_d812020fc265dfb10a4dee8c239e14d0_chaos_destroyer_wannacry.exe
- Size 18KB
- Sample240809-e2agkswhjr
- SHA256 a576cf0982b75dccdf9e9ab9f8070103f507147dd120e757d94659b8d94ee225
Score
10/10
Malware Config
Extracted
Path
-
C:\Users\Admin\AppData\Roaming\read_it.txt
Ransom Note
- All of your files have been encrypted by Pon 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: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0
Signatures
- Chaos
Ransomware family first seen in June 2021.
- Chaos Ransomware 2 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 1 IoCs
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
- Opens file in notepad (likely ransom note) 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 41 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-08-09_d812020fc265dfb10a4dee8c239e14d0_chaos_destroyer_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-09_d812020fc265dfb10a4dee8c239e14d0_chaos_destroyer_wannacry.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt3⤵
- Opens file in notepad (likely ransom note)
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
read_it.txt
svchost.exe
memory/740-14-0x00007FFF5B650000-0x00007FFF5C111000-memory.dmp
memory/740-21-0x00007FFF5B650000-0x00007FFF5C111000-memory.dmp
memory/2708-0-0x00000000006F0000-0x00000000006FA000-memory.dmp
memory/2708-1-0x00007FFF5B653000-0x00007FFF5B655000-memory.dmp