chaos | b7e12bf54356d831e3d7b5e10b0c1782a3e2feb29dd6ed3857c3922d2b48c7c1 | Triage

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Overview

overview

Static

static

main.exe

windows10-2004-x64

Sharing

General

Target

main.exe
Size

330KB
Sample

240423-crlezsbf71
MD5

3736a823e68e0624d6a97e26404912c9
SHA1

3dc5eac263f2a10eefe1f4d16932623aabdcecc3
SHA256

b7e12bf54356d831e3d7b5e10b0c1782a3e2feb29dd6ed3857c3922d2b48c7c1
SHA512

902955e4c95a5d8840b0ced7cfb4838b59a75f5a87ec694d426c01476c3f64974039d4f6310464777adc78d433a0dd455092db0a8d27381146351be931143cfb
SSDEEP

6144:GB4Rr95aqSX2mLCHpdgwNNMLv6Cwm33BL5uK8v:GB4ARX2mLCJdgwNNWg8BLAK8v

Score

10^/10

chaos evasion ransomware spyware stealer

Static task

static1

3 signatures

Behavioral task

behavioral1

Sample

main.exe

Resource

win10v2004-20240412-en

chaos evasion ransomware spyware stealer

windows10-2004-x64

22 signatures

150 seconds

Malware Config

Targets

- Target
  
  main.exe
- Size
  
  330KB
- MD5
  
  3736a823e68e0624d6a97e26404912c9
- SHA1
  
  3dc5eac263f2a10eefe1f4d16932623aabdcecc3
- SHA256
  
  b7e12bf54356d831e3d7b5e10b0c1782a3e2feb29dd6ed3857c3922d2b48c7c1
- SHA512
  
  902955e4c95a5d8840b0ced7cfb4838b59a75f5a87ec694d426c01476c3f64974039d4f6310464777adc78d433a0dd455092db0a8d27381146351be931143cfb
- SSDEEP
  
  6144:GB4Rr95aqSX2mLCHpdgwNNMLv6Cwm33BL5uK8v:GB4ARX2mLCJdgwNNWg8BLAK8v
Score

10^/10

chaos evasion ransomware spyware stealer
- Chaos
  Ransomware family first seen in June 2021.
  ransomware chaos
- Chaos Ransomware
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Deletes backup catalog
  Uses wbadmin.exe to inhibit system recovery.
  ransomware
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Drops startup file
- Executes dropped EXE
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
  ransomware
behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

File Deletion

Modify Registry

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Defacement

Inhibit System Recovery

Tasks

static1

behavioral1

chaosevasionransomwarespywarestealer

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