chaos | caa7475c37e5c8dd3e3d64a38c57ec2848d32b4329431fcdbed228d1293cfc58 | Triage

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Overview

overview

Static

static

2025-03-31...ry.exe

windows10-2004-x64

Sharing

General

Target

2025-03-31_2cb05026447e400553acd808f13b0983_wannacry
Size

587KB
Sample

250331-n1kets1rs7
MD5

2cb05026447e400553acd808f13b0983
SHA1

3c5c56adc1390f1701357e5474636a10dcb3aca5
SHA256

caa7475c37e5c8dd3e3d64a38c57ec2848d32b4329431fcdbed228d1293cfc58
SHA512

1a765444b1d5e2571c5fed65c65ea8add1e14913118ded11450def198c8d62e80ae2d7ac571ed68d31ed7b3975ce8afd393c048d7930c0c09999c728daf1b0a8
SSDEEP

12288:Vm5jhupxAmjkioNwJXdqQB4piYqgCmhDqUkeZ9oCOwAkT7/yz4+SNp/YdP:umoiRGbHjwEw

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Static task

static1

3 signatures

Behavioral task

behavioral1

Sample

2025-03-31_2cb05026447e400553acd808f13b0983_wannacry.exe

Resource

win10v2004-20250313-en

chaos defense_evasion evasion execution impact ransomware spyware stealer

windows10-2004-x64

23 signatures

150 seconds

Malware Config

Targets

- Target
  
  2025-03-31_2cb05026447e400553acd808f13b0983_wannacry
- Size
  
  587KB
- MD5
  
  2cb05026447e400553acd808f13b0983
- SHA1
  
  3c5c56adc1390f1701357e5474636a10dcb3aca5
- SHA256
  
  caa7475c37e5c8dd3e3d64a38c57ec2848d32b4329431fcdbed228d1293cfc58
- SHA512
  
  1a765444b1d5e2571c5fed65c65ea8add1e14913118ded11450def198c8d62e80ae2d7ac571ed68d31ed7b3975ce8afd393c048d7930c0c09999c728daf1b0a8
- SSDEEP
  
  12288:Vm5jhupxAmjkioNwJXdqQB4piYqgCmhDqUkeZ9oCOwAkT7/yz4+SNp/YdP:umoiRGbHjwEw
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

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

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