chaos | 4e84058c96d0e09c5d2fd1f64adc741a7997c4e11eea3c88ac4348acf2665d54 | Triage

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Overview

overview

Static

static

2024-03-19...ry.exe

windows7-x64

2024-03-19...ry.exe

windows10-2004-x64

Sharing

General

Target

2024-03-19_6485a5e01ed5d851cb8e328840313b06_wannacry
Size

104KB
Sample

240319-c3qh3sfb65
MD5

6485a5e01ed5d851cb8e328840313b06
SHA1

ae420688cb83c6221295e7df991bda2308d55009
SHA256

4e84058c96d0e09c5d2fd1f64adc741a7997c4e11eea3c88ac4348acf2665d54
SHA512

17db71ae48c93cc70af1ee04f8c22ef61fd4c1a626b8938c73f767cdf8ff7630511312743fd6c476219469965a5b9bd2ca925e07e44c44cd6d62c7ba7e1a2f5b
SSDEEP

1536:q3kIhVr9SrJLhXCOrj/Fd1C4PRDu3PBri:q3kKVr9SlVCyfPRD4i

Score

10^/10

chaos evasion ransomware spyware stealer

Static task

static1

4 signatures

Behavioral task

behavioral1

Sample

2024-03-19_6485a5e01ed5d851cb8e328840313b06_wannacry.exe

Resource

win7-20240215-en

chaos evasion ransomware spyware stealer

windows7-x64

20 signatures

150 seconds

Behavioral task

behavioral2

Sample

2024-03-19_6485a5e01ed5d851cb8e328840313b06_wannacry.exe

Resource

win10v2004-20240226-en

chaos evasion ransomware spyware stealer

windows10-2004-x64

23 signatures

150 seconds

Malware Config

Targets

- Target
  
  2024-03-19_6485a5e01ed5d851cb8e328840313b06_wannacry
- Size
  
  104KB
- MD5
  
  6485a5e01ed5d851cb8e328840313b06
- SHA1
  
  ae420688cb83c6221295e7df991bda2308d55009
- SHA256
  
  4e84058c96d0e09c5d2fd1f64adc741a7997c4e11eea3c88ac4348acf2665d54
- SHA512
  
  17db71ae48c93cc70af1ee04f8c22ef61fd4c1a626b8938c73f767cdf8ff7630511312743fd6c476219469965a5b9bd2ca925e07e44c44cd6d62c7ba7e1a2f5b
- SSDEEP
  
  1536:q3kIhVr9SrJLhXCOrj/Fd1C4PRDu3PBri:q3kKVr9SlVCyfPRD4i
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
- Detects command variations typically used by 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 behavioral2

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

behavioral2

chaosevasionransomwarespywarestealer

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