chaos | 9b74a10d6efbf33d56285505ae702947ea333447bfc583537f14018569b62ea6 | Triage

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Overview

overview

Static

static

TestServer.exe

windows7-x64

TestServer.exe

windows10-2004-x64

Sharing

General

Target

TestServer.exe
Size

107KB
Sample

241119-deemcayrat
MD5

c133ce6541688d84cfb35186fa8ad88f
SHA1

67d7c34ce8548ffcd1ec4f8608beba7a06b1fb0b
SHA256

9b74a10d6efbf33d56285505ae702947ea333447bfc583537f14018569b62ea6
SHA512

81efaf9f3b580ec37d5237663cca2f0ef8d9683304ee9a679da6be2c30961adad8c7bb38b64b0f1fbd4163667927871e912e0b669de2796cb14c370ea5707d50
SSDEEP

384:N3Mg/bqo2W4fSpJpMDKw/+988Jrr91CvpQHACQIdQepRsva46eLrTH+33M3zJ1oL:3qo2apMDN/NUrr9Ip5epij

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Static task

static1

3 signatures

Behavioral task

behavioral1

Sample

TestServer.exe

Resource

win7-20241023-en

chaos defense_evasion evasion execution impact ransomware spyware stealer

windows7-x64

20 signatures

150 seconds

Behavioral task

behavioral2

Sample

TestServer.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
  
  TestServer.exe
- Size
  
  107KB
- MD5
  
  c133ce6541688d84cfb35186fa8ad88f
- SHA1
  
  67d7c34ce8548ffcd1ec4f8608beba7a06b1fb0b
- SHA256
  
  9b74a10d6efbf33d56285505ae702947ea333447bfc583537f14018569b62ea6
- SHA512
  
  81efaf9f3b580ec37d5237663cca2f0ef8d9683304ee9a679da6be2c30961adad8c7bb38b64b0f1fbd4163667927871e912e0b669de2796cb14c370ea5707d50
- SSDEEP
  
  384:N3Mg/bqo2W4fSpJpMDKw/+988Jrr91CvpQHACQIdQepRsva46eLrTH+33M3zJ1oL:3qo2apMDN/NUrr9Ip5epij
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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