chaos | 9b353723692ee47483a2d59789f7e337cf34cc0c3603e7d49c103a24d3c211a7 | Triage

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Overview

overview

Static

static

2024-02-02...ry.exe

windows7-x64

2024-02-02...ry.exe

windows10-2004-x64

Sharing

General

Target

2024-02-02_9f5f28e290f1ac8a04960ab1428bf318_chaos_destroyer_wannacry
Size

24KB
Sample

240202-zagf2ahahm
MD5

9f5f28e290f1ac8a04960ab1428bf318
SHA1

bb73fafa58d70f84775d8f67ad3c16ef4705019e
SHA256

9b353723692ee47483a2d59789f7e337cf34cc0c3603e7d49c103a24d3c211a7
SHA512

3eaf097a2358ec19ebab96e4f3f2b21f97d10f7ac169afe10bcc4d61d283aee81d146e33942fee1e9deb5e3b850ac80a502f9ff0b1469d6a019962fd14bf63ab
SSDEEP

384:23MLWHn3kIHWrzdLrJmhjZTBpEF3+nJOr91CrDwcVeb:6n3kI2C1pEF+Or9SUceb

Score

10^/10

chaos evasion ransomware spyware stealer

Static task

static1

4 signatures

Behavioral task

behavioral1

Sample

2024-02-02_9f5f28e290f1ac8a04960ab1428bf318_chaos_destroyer_wannacry.exe

Resource

win7-20231215-en

chaos evasion ransomware spyware stealer

windows7-x64

19 signatures

150 seconds

Behavioral task

behavioral2

Sample

2024-02-02_9f5f28e290f1ac8a04960ab1428bf318_chaos_destroyer_wannacry.exe

Resource

win10v2004-20231215-en

chaos evasion ransomware spyware stealer

windows10-2004-x64

22 signatures

150 seconds

Malware Config

Targets

- Target
  
  2024-02-02_9f5f28e290f1ac8a04960ab1428bf318_chaos_destroyer_wannacry
- Size
  
  24KB
- MD5
  
  9f5f28e290f1ac8a04960ab1428bf318
- SHA1
  
  bb73fafa58d70f84775d8f67ad3c16ef4705019e
- SHA256
  
  9b353723692ee47483a2d59789f7e337cf34cc0c3603e7d49c103a24d3c211a7
- SHA512
  
  3eaf097a2358ec19ebab96e4f3f2b21f97d10f7ac169afe10bcc4d61d283aee81d146e33942fee1e9deb5e3b850ac80a502f9ff0b1469d6a019962fd14bf63ab
- SSDEEP
  
  384:23MLWHn3kIHWrzdLrJmhjZTBpEF3+nJOr91CrDwcVeb:6n3kI2C1pEF+Or9SUceb
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)
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

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

Inhibit System Recovery

Tasks

static1

behavioral1

chaosevasionransomwarespywarestealer

behavioral2

chaosevasionransomwarespywarestealer

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