chaos | e4750b302d7169980f33332aa65bdcf8b381838ed2ca2a14fb9d3fb7b1566834

General

Target

2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe
Size

42KB
MD5

ecc1dbb576ea857b4dfbda144349f51e
SHA1

1d0a78742f5b43df5239ff7b714a2c7b86af186f
SHA256

e4750b302d7169980f33332aa65bdcf8b381838ed2ca2a14fb9d3fb7b1566834
SHA512

49307aaf7b3acd002874b36de0b5054cf6db28ce800b8cb57b094d88f9265be881c93ce4e318bcb041ad66568517ff0f13708fc0329d1c630faba85a2becae0b
SSDEEP

768:sqo2QhTlspqqP9r9lf0tIKahl7VXnSRAFDWLIIFCO2bjeO:Lo2GZnqP9r9lf0tI5hjIS6cIFCWO

Score

10^/10

chaos ransomware

Malware Config

Extracted

Path

C:\Users\Admin\Documents\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

resource	yara_rule
behavioral1/memory/2020-0-0x0000000000DB0000-0x0000000000DC0000-memory.dmp	family_chaos
behavioral1/files/0x000a00000001418d-4.dat	family_chaos
behavioral1/memory/2976-9-0x00000000002D0000-0x00000000002E0000-memory.dmp	family_chaos

Detects command variations typically used by ransomware 3 IoCs

resource	yara_rule
behavioral1/memory/2020-0-0x0000000000DB0000-0x0000000000DC0000-memory.dmp	INDICATOR_SUSPICIOUS_GENRansomware
behavioral1/files/0x000a00000001418d-4.dat	INDICATOR_SUSPICIOUS_GENRansomware
behavioral1/memory/2976-9-0x00000000002D0000-0x00000000002E0000-memory.dmp	INDICATOR_SUSPICIOUS_GENRansomware

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	svchost.exe

Drops desktop.ini file(s) 5 IoCs

description	ioc	Process
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-2297530677-1229052932-2803917579-1000\desktop.ini	svchost.exe
File opened for modification	C:\Users\Admin\Desktop\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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2020	2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe
2020	2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2020	2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe
Token: SeDebugPrivilege	2976	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 2976	2020	2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe	28
PID 2020 wrote to memory of 2976	2020	2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe	28
PID 2020 wrote to memory of 2976	2020	2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-29_ecc1dbb576ea857b4dfbda144349f51e_destroyer_wannacry.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020
- 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: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
42KB

MD5
ecc1dbb576ea857b4dfbda144349f51e

SHA1
1d0a78742f5b43df5239ff7b714a2c7b86af186f

SHA256
e4750b302d7169980f33332aa65bdcf8b381838ed2ca2a14fb9d3fb7b1566834

SHA512
49307aaf7b3acd002874b36de0b5054cf6db28ce800b8cb57b094d88f9265be881c93ce4e318bcb041ad66568517ff0f13708fc0329d1c630faba85a2becae0b

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

Filesize
964B

MD5
4217b8b83ce3c3f70029a056546f8fd0

SHA1
487cdb5733d073a0427418888e8f7070fe782a03

SHA256
7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121

SHA512
2a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740

Download Submit
memory/2020-0-0x0000000000DB0000-0x0000000000DC0000-memory.dmp

Filesize
64KB

Download
memory/2020-1-0x000007FEF5360000-0x000007FEF5D4C000-memory.dmp

Filesize
9.9MB

Download
memory/2020-7-0x000007FEF5360000-0x000007FEF5D4C000-memory.dmp

Filesize
9.9MB

Download
memory/2976-9-0x00000000002D0000-0x00000000002E0000-memory.dmp

Filesize
64KB

Download
memory/2976-8-0x000007FEF5360000-0x000007FEF5D4C000-memory.dmp

Filesize
9.9MB

Download
memory/2976-11-0x000000001AC00000-0x000000001AC80000-memory.dmp

Filesize
512KB

Download

Analysis

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