chaos | 739e1ab9e63ec4da436b2861c3c23111a823676896b6f2f40cf0051bf5c0e951 | Triage

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Overview

overview

Static

static

739e1ab9e6...51.exe

windows7-x64

739e1ab9e6...51.exe

windows10-2004-x64

Sharing

General

Target

739e1ab9e63ec4da436b2861c3c23111a823676896b6f2f40cf0051bf5c0e951.exe
Size

388KB
Sample

241103-dhndnawldp
MD5

d313cf4e6bf5e9dcb2ed3e722984bc8e
SHA1

21a28a94e0de60603ad1664a843717a8aeba30c9
SHA256

739e1ab9e63ec4da436b2861c3c23111a823676896b6f2f40cf0051bf5c0e951
SHA512

2a0d479f8b299370bb67ce34f4dfb58b52c70e7edcfa1f9cb6c40a6162455b77aad70bfd1f619dda327d969852eb1c20c7768f1c4247450740c203521f37ff34
SSDEEP

6144:fr9Sqdd/nDTCKm1ussOaOYNmJL2gGYBppgnvufOKvNbq7a+0blRIJ6Af:Dd1nDTC11utmSfqppmvufOgY7a+oRd

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Static task

static1

3 signatures

Behavioral task

behavioral1

Sample

739e1ab9e63ec4da436b2861c3c23111a823676896b6f2f40cf0051bf5c0e951.exe

Resource

win7-20241010-en

chaos defense_evasion evasion execution impact ransomware spyware stealer

windows7-x64

20 signatures

150 seconds

Behavioral task

behavioral2

Sample

739e1ab9e63ec4da436b2861c3c23111a823676896b6f2f40cf0051bf5c0e951.exe

Resource

win10v2004-20241007-en

chaos defense_evasion evasion execution impact ransomware spyware stealer

windows10-2004-x64

23 signatures

150 seconds

Malware Config

Targets

- Target
  
  739e1ab9e63ec4da436b2861c3c23111a823676896b6f2f40cf0051bf5c0e951.exe
- Size
  
  388KB
- MD5
  
  d313cf4e6bf5e9dcb2ed3e722984bc8e
- SHA1
  
  21a28a94e0de60603ad1664a843717a8aeba30c9
- SHA256
  
  739e1ab9e63ec4da436b2861c3c23111a823676896b6f2f40cf0051bf5c0e951
- SHA512
  
  2a0d479f8b299370bb67ce34f4dfb58b52c70e7edcfa1f9cb6c40a6162455b77aad70bfd1f619dda327d969852eb1c20c7768f1c4247450740c203521f37ff34
- SSDEEP
  
  6144:fr9Sqdd/nDTCKm1ussOaOYNmJL2gGYBppgnvufOKvNbq7a+0blRIJ6Af:Dd1nDTC11utmSfqppmvufOgY7a+oRd
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
- 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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