chaos | a68af9092906e071547eb4274eb7002303ddcb931f66698df65a56442311baad

General

Target

2024-05-02_f8e773a443ad299d58cef962a1139b1b_chaos_destroyer_wannacry.exe
Size

22KB
MD5

f8e773a443ad299d58cef962a1139b1b
SHA1

e0aa1eb8db231d23d6d81effc5fb87987d6dad9f
SHA256

a68af9092906e071547eb4274eb7002303ddcb931f66698df65a56442311baad
SHA512

399204d68e575811140c70b99f2b2f403fc0cc01ed0911950d3b110990a5f04d83b90dd87b74a2b0e29022dbc690918af0d11f8de6707f992398744501bab58a
SSDEEP

384:v3MLWHn3kI3fcSxlR2Wpv04oO7RJpr91Czxb5Fei:7n3kIE69pcifpr9ixbzei

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: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2884-1-0x0000000000280000-0x000000000028C000-memory.dmp	family_chaos
C:\Users\Admin\AppData\Roaming\svchost.exe	family_chaos
behavioral1/memory/2964-7-0x0000000000B40000-0x0000000000B4C000-memory.dmp	family_chaos

Detects command variations typically used by ransomware 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2884-1-0x0000000000280000-0x000000000028C000-memory.dmp	INDICATOR_SUSPICIOUS_GENRansomware
C:\Users\Admin\AppData\Roaming\svchost.exe	INDICATOR_SUSPICIOUS_GENRansomware
behavioral1/memory/2964-7-0x0000000000B40000-0x0000000000B4C000-memory.dmp	INDICATOR_SUSPICIOUS_GENRansomware

Drops startup file 3 IoCs

Processes:

svchost.exe

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

Processes:

svchost.exe

pid process

2964 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

pid	process
2964	svchost.exe

Drops desktop.ini file(s) 34 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Music\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\Music\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\Links\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Contacts\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	svchost.exe
File opened for modification	C:\Users\Public\Videos\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Favorites\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\Public\Desktop\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\Recent\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\Pictures\desktop.ini	svchost.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Searches\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Videos\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\Start Menu\Programs\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Saved Games\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\SendTo\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\Public\Pictures\Sample Pictures\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	C:\Users\Public\Documents\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\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\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

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

Processes:

NOTEPAD.EXE

pid process

2540 NOTEPAD.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

svchost.exe

pid process

2964 svchost.exe

pid	process
2540	NOTEPAD.EXE

pid	process
2964	svchost.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

2024-05-02_f8e773a443ad299d58cef962a1139b1b_chaos_destroyer_wannacry.exesvchost.exe

pid	process
2884	2024-05-02_f8e773a443ad299d58cef962a1139b1b_chaos_destroyer_wannacry.exe
2884	2024-05-02_f8e773a443ad299d58cef962a1139b1b_chaos_destroyer_wannacry.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2024-05-02_f8e773a443ad299d58cef962a1139b1b_chaos_destroyer_wannacry.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	2884	2024-05-02_f8e773a443ad299d58cef962a1139b1b_chaos_destroyer_wannacry.exe
Token: SeDebugPrivilege	2964	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2024-05-02_f8e773a443ad299d58cef962a1139b1b_chaos_destroyer_wannacry.exesvchost.exe

description	pid	process	target process
PID 2884 wrote to memory of 2964	2884	2024-05-02_f8e773a443ad299d58cef962a1139b1b_chaos_destroyer_wannacry.exe	svchost.exe
PID 2884 wrote to memory of 2964	2884	2024-05-02_f8e773a443ad299d58cef962a1139b1b_chaos_destroyer_wannacry.exe	svchost.exe
PID 2884 wrote to memory of 2964	2884	2024-05-02_f8e773a443ad299d58cef962a1139b1b_chaos_destroyer_wannacry.exe	svchost.exe
PID 2964 wrote to memory of 2540	2964	svchost.exe	NOTEPAD.EXE
PID 2964 wrote to memory of 2540	2964	svchost.exe	NOTEPAD.EXE
PID 2964 wrote to memory of 2540	2964	svchost.exe	NOTEPAD.EXE

C:\Users\Admin\AppData\Local\Temp\2024-05-02_f8e773a443ad299d58cef962a1139b1b_chaos_destroyer_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-02_f8e773a443ad299d58cef962a1139b1b_chaos_destroyer_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2884

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:2964

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:2540

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
22KB

MD5
f8e773a443ad299d58cef962a1139b1b

SHA1
e0aa1eb8db231d23d6d81effc5fb87987d6dad9f

SHA256
a68af9092906e071547eb4274eb7002303ddcb931f66698df65a56442311baad

SHA512
399204d68e575811140c70b99f2b2f403fc0cc01ed0911950d3b110990a5f04d83b90dd87b74a2b0e29022dbc690918af0d11f8de6707f992398744501bab58a

Download Submit
C:\Users\Admin\Desktop\read_it.txt
Filesize
964B

MD5
4217b8b83ce3c3f70029a056546f8fd0

SHA1
487cdb5733d073a0427418888e8f7070fe782a03

SHA256
7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121

SHA512
2a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740

Download Submit
memory/2884-0-0x000007FEF5F13000-0x000007FEF5F14000-memory.dmp

Filesize
4KB

Download
memory/2884-1-0x0000000000280000-0x000000000028C000-memory.dmp

Filesize
48KB

Download
memory/2964-7-0x0000000000B40000-0x0000000000B4C000-memory.dmp

Filesize
48KB

Download
memory/2964-15-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

Filesize
9.9MB

Download
memory/2964-71-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

Filesize
9.9MB

Download
memory/2964-73-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

Filesize
9.9MB

Download
memory/2964-74-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads