chaos | 983223d3c64d68f560b7315bc8b32610c7606382e8778537bee3cfe70dff1f76 | Triage

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Overview

overview

Static

static

Test.exe

windows7-x64

Test.exe

windows10-2004-x64

Sharing

General

Target

Test.exe
Size

816KB
Sample

250221-sclefawks2
MD5

7d665d19c599e7dde4678186a93cd68c
SHA1

ee40d4a8c9f93841af4a6ce9eded30ae00d6c28c
SHA256

983223d3c64d68f560b7315bc8b32610c7606382e8778537bee3cfe70dff1f76
SHA512

522072b91c03497a84d0df047ea2be56143e58878e7064ab3c82877499df1822c43701fb9233a8ae9b1a7fe7824d0171905d5f1fb676529439c792b1c9857b1a
SSDEEP

12288:pn7H1QuMhey5GsQjlXfDVtemY79zhrGdb+qe2gUc2j+pey7lDrKhlHNtwGmI4mmh:VH1g2RNmjBaWmm

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Static task

static1

3 signatures

Behavioral task

behavioral1

Sample

Test.exe

Resource

win7-20240903-en

chaos defense_evasion evasion execution impact ransomware spyware stealer

windows7-x64

21 signatures

150 seconds

Behavioral task

behavioral2

Sample

Test.exe

Resource

win10v2004-20250217-en

chaos defense_evasion evasion execution impact ransomware spyware stealer

windows10-2004-x64

24 signatures

150 seconds

Malware Config

Targets

- Target
  
  Test.exe
- Size
  
  816KB
- MD5
  
  7d665d19c599e7dde4678186a93cd68c
- SHA1
  
  ee40d4a8c9f93841af4a6ce9eded30ae00d6c28c
- SHA256
  
  983223d3c64d68f560b7315bc8b32610c7606382e8778537bee3cfe70dff1f76
- SHA512
  
  522072b91c03497a84d0df047ea2be56143e58878e7064ab3c82877499df1822c43701fb9233a8ae9b1a7fe7824d0171905d5f1fb676529439c792b1c9857b1a
- SSDEEP
  
  12288:pn7H1QuMhey5GsQjlXfDVtemY79zhrGdb+qe2gUc2j+pey7lDrKhlHNtwGmI4mmh:VH1g2RNmjBaWmm
Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer
- Chaos
  Ransomware family first seen in June 2021.
  ransomware chaos
- Chaos Ransomware
- Chaos family
  chaos
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Deletes backup catalog
  Uses wbadmin.exe to inhibit system recovery.
  ransomware
- Disables Task Manager via registry modification
  defense_evasion
- 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 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

Windows Management Instrumentation

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

Indicator Removal

File Deletion

Modify Registry

Credential Access

Credentials from Password Stores

Credentials from Web Browsers

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

chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

behavioral2

chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

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