chaos | ff5014ad77ca1f2ebdf70b31209f4a14b15fb5e988ec00d7053e53b598cc0886

Analysis

max time kernel
6s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 05:45

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General

Target

e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
Size

26KB
MD5

a3e9a2f37dcccdc412fbbcf57ed6fdca
SHA1

74e4a7171031fbd5277f2d8a3802ae1b442d17d6
SHA256

ff5014ad77ca1f2ebdf70b31209f4a14b15fb5e988ec00d7053e53b598cc0886
SHA512

8797a4f5adbffb1a710882307a1c35b5f267c2269463ebca9a66d7c320f86ddcf62b17b1a1469022cab2875a75ffdb4051e8b0859ceca97e9d8a634c5024898a
SSDEEP

384:CYenjLLAps4T5lBavzb/xlhKOVp91QWb5hxDGQ:hOElB6sc9GWbXxDr

Score

10^/10

chaos ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\3D Objects\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 2 IoCs

resource	yara_rule
behavioral2/memory/4932-0-0x0000000000580000-0x000000000058C000-memory.dmp	family_chaos
behavioral2/files/0x00040000000227dc-12.dat	family_chaos

Detects command variations typically used by ransomware 2 IoCs

resource	yara_rule
behavioral2/memory/4932-0-0x0000000000580000-0x000000000058C000-memory.dmp	INDICATOR_SUSPICIOUS_GENRansomware
behavioral2/files/0x00040000000227dc-12.dat	INDICATOR_SUSPICIOUS_GENRansomware

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe

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
4280	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) 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\3D Objects\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
4648	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 51 IoCs

pid	Process
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe
4280	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
Token: SeDebugPrivilege	4280	svchost.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 4280	4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe	90
PID 4932 wrote to memory of 4280	4932	e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe	90

C:\Users\Admin\AppData\Local\Temp\e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe
"C:\Users\Admin\AppData\Local\Temp\e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4932
- 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:4280
- - 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:4648

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\3D Objects\read_it.txt

Filesize
964B

MD5
4217b8b83ce3c3f70029a056546f8fd0

SHA1
487cdb5733d073a0427418888e8f7070fe782a03

SHA256
7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121

SHA512
2a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\e0b0e9f729f4c5289158e08e5ef8e5a6ebfbcd9e35c764d9685f803bb83daca3.exe.log

Filesize
226B

MD5
28d7fcc2b910da5e67ebb99451a5f598

SHA1
a5bf77a53eda1208f4f37d09d82da0b9915a6747

SHA256
2391511d0a66ed9f84ae54254f51c09e43be01ad685db80da3201ec880abd49c

SHA512
2d8eb65cbf04ca506f4ef3b9ae13ccf05ebefab702269ba70ffd1ce9e6c615db0a3ee3ac0e81a06f546fc3250b7b76155dd51241c41b507a441b658c8e761df6

Download Submit
C:\Users\Admin\AppData\Roaming\ClearSelect.txt

Filesize
1B

MD5
d1457b72c3fb323a2671125aef3eab5d

SHA1
5bab61eb53176449e25c2c82f172b82cb13ffb9d

SHA256
8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

SHA512
ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

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

Filesize
26KB

MD5
a3e9a2f37dcccdc412fbbcf57ed6fdca

SHA1
74e4a7171031fbd5277f2d8a3802ae1b442d17d6

SHA256
ff5014ad77ca1f2ebdf70b31209f4a14b15fb5e988ec00d7053e53b598cc0886

SHA512
8797a4f5adbffb1a710882307a1c35b5f267c2269463ebca9a66d7c320f86ddcf62b17b1a1469022cab2875a75ffdb4051e8b0859ceca97e9d8a634c5024898a

Download Submit
memory/4280-15-0x00007FFC36040000-0x00007FFC36B01000-memory.dmp

Filesize
10.8MB

Download
memory/4280-1181-0x00007FFC36040000-0x00007FFC36B01000-memory.dmp

Filesize
10.8MB

Download
memory/4932-0-0x0000000000580000-0x000000000058C000-memory.dmp

Filesize
48KB

Download
memory/4932-1-0x00007FFC36040000-0x00007FFC36B01000-memory.dmp

Filesize
10.8MB

Download
memory/4932-14-0x00007FFC36040000-0x00007FFC36B01000-memory.dmp

Filesize
10.8MB

Download