chaos | 89ccf4e0de4c156459b68a4135446fcdae4065288821066f07f05322430bd745

Analysis

max time kernel
4s
max time network
116s
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, 05:42

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General

Target

9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
Size

26KB
MD5

857c919b5654503afc642a25b4d0375c
SHA1

29f15ef20c68af40effad73e7cd9bcd679db1854
SHA256

89ccf4e0de4c156459b68a4135446fcdae4065288821066f07f05322430bd745
SHA512

602cc84962a14e5fcb805de545ade02414dd668554bdd60ee0ff9104efd2643b5bfebfd55df89e41cf746fa70cc1cd255f9d65a40927f64a1e870453fbed3848
SSDEEP

384:CYenjLLAps4T5lBavzb/xlhKOVp91Qvb5hxDGb:hOElB6sc9GvbXxDQ

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/3580-0-0x00000000001F0000-0x00000000001FC000-memory.dmp	family_chaos
behavioral2/files/0x00030000000006df-11.dat	family_chaos

Detects command variations typically used by ransomware 2 IoCs

resource	yara_rule
behavioral2/memory/3580-0-0x00000000001F0000-0x00000000001FC000-memory.dmp	INDICATOR_SUSPICIOUS_GENRansomware
behavioral2/files/0x00030000000006df-11.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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.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
2652	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
3124	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 55 IoCs

pid	Process
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe
2652	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
Token: SeDebugPrivilege	2652	svchost.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 2652	3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe	76
PID 3580 wrote to memory of 2652	3580	9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe	76

C:\Users\Admin\AppData\Local\Temp\9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe
"C:\Users\Admin\AppData\Local\Temp\9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3580
- 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:2652
- - 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:3124

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

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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\9df32b57c289f3438f97daa85ddcf0aee93a3926e95a2204831cf664ea008aef.exe.log

Filesize
226B

MD5
28d7fcc2b910da5e67ebb99451a5f598

SHA1
a5bf77a53eda1208f4f37d09d82da0b9915a6747

SHA256
2391511d0a66ed9f84ae54254f51c09e43be01ad685db80da3201ec880abd49c

SHA512
2d8eb65cbf04ca506f4ef3b9ae13ccf05ebefab702269ba70ffd1ce9e6c615db0a3ee3ac0e81a06f546fc3250b7b76155dd51241c41b507a441b658c8e761df6

Download Submit
C:\Users\Admin\AppData\Roaming\InitializeLimit.xltx

Filesize
1B

MD5
d1457b72c3fb323a2671125aef3eab5d

SHA1
5bab61eb53176449e25c2c82f172b82cb13ffb9d

SHA256
8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

SHA512
ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

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

Filesize
26KB

MD5
857c919b5654503afc642a25b4d0375c

SHA1
29f15ef20c68af40effad73e7cd9bcd679db1854

SHA256
89ccf4e0de4c156459b68a4135446fcdae4065288821066f07f05322430bd745

SHA512
602cc84962a14e5fcb805de545ade02414dd668554bdd60ee0ff9104efd2643b5bfebfd55df89e41cf746fa70cc1cd255f9d65a40927f64a1e870453fbed3848

Download Submit
memory/2652-14-0x00007FFFE9630000-0x00007FFFEA0F1000-memory.dmp

Filesize
10.8MB

Download
memory/2652-1156-0x00007FFFE9630000-0x00007FFFEA0F1000-memory.dmp

Filesize
10.8MB

Download
memory/3580-0-0x00000000001F0000-0x00000000001FC000-memory.dmp

Filesize
48KB

Download
memory/3580-1-0x00007FFFE9630000-0x00007FFFEA0F1000-memory.dmp

Filesize
10.8MB

Download
memory/3580-15-0x00007FFFE9630000-0x00007FFFEA0F1000-memory.dmp

Filesize
10.8MB

Download