chaos | be41b813b1af4634ec14cb822090bb16e300dc61f478c473ac3b18e6dc025150 | Triage

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Overview

overview

Static

static

be41b813b1...50.exe

windows7-x64

be41b813b1...50.exe

windows10-2004-x64

Sharing

General

Target

be41b813b1af4634ec14cb822090bb16e300dc61f478c473ac3b18e6dc025150.exe
Size

142KB
Sample

241103-ebtgrstgpa
MD5

af70883f7ff9f9c19286ed07972bab84
SHA1

5d59cc33696cdc78f59448f2f6fb6cb08622b976
SHA256

be41b813b1af4634ec14cb822090bb16e300dc61f478c473ac3b18e6dc025150
SHA512

bfea6fa338ad9bb2be18a7fe1398d82f01258be0f57a3f2129a2b3e08342771faca874dcf0f257b54b14c49003789f139fe8fe9e5ca6b53d352670f6549438d1
SSDEEP

3072:o3kGRr9i0TVKIe6m8sdpcL0uhq70NEqj5Swo29V56K+Olhly3UdcHkl:+r9i0sIF5gdQubv29V56K+ihly3MN

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Static task

static1

3 signatures

Behavioral task

behavioral1

Sample

be41b813b1af4634ec14cb822090bb16e300dc61f478c473ac3b18e6dc025150.exe

Resource

win7-20240903-en

chaos defense_evasion evasion execution impact ransomware spyware stealer

windows7-x64

20 signatures

150 seconds

Behavioral task

behavioral2

Sample

be41b813b1af4634ec14cb822090bb16e300dc61f478c473ac3b18e6dc025150.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
  
  be41b813b1af4634ec14cb822090bb16e300dc61f478c473ac3b18e6dc025150.exe
- Size
  
  142KB
- MD5
  
  af70883f7ff9f9c19286ed07972bab84
- SHA1
  
  5d59cc33696cdc78f59448f2f6fb6cb08622b976
- SHA256
  
  be41b813b1af4634ec14cb822090bb16e300dc61f478c473ac3b18e6dc025150
- SHA512
  
  bfea6fa338ad9bb2be18a7fe1398d82f01258be0f57a3f2129a2b3e08342771faca874dcf0f257b54b14c49003789f139fe8fe9e5ca6b53d352670f6549438d1
- SSDEEP
  
  3072:o3kGRr9i0TVKIe6m8sdpcL0uhq70NEqj5Swo29V56K+Olhly3UdcHkl:+r9i0sIF5gdQubv29V56K+ihly3MN
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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