chaos | 1c79542da7977748a757510d2a7e5422d0fd2fb6bf0b3f978dfdaa47a352ddf2 | Triage

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Overview

overview

Static

static

2025-04-04...ry.exe

windows10-2004-x64

Sharing

General

Target

2025-04-04_52591bcd3ece758cdd181f70d9ef1543_wannacry
Size

447KB
Sample

250404-f7da4az1fs
MD5

52591bcd3ece758cdd181f70d9ef1543
SHA1

26b8b245dd637acef02755c20649d75da01fb553
SHA256

1c79542da7977748a757510d2a7e5422d0fd2fb6bf0b3f978dfdaa47a352ddf2
SHA512

48c7bd824f3d426f47b6ca946112102b1a1775a604aa2c6924c770a4e9f58bc680421dd894bb0de6c57e4a2eb4d9208c66a18c3122f386d994eb6d273b64e19b
SSDEEP

12288:KO4cpG0FBzdHVic/AI2qY2U3Kk9K642BBTFKIrfWFYcUT:XY86HRcqc4

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Static task

static1

3 signatures

Behavioral task

behavioral1

Sample

2025-04-04_52591bcd3ece758cdd181f70d9ef1543_wannacry.exe

Resource

win10v2004-20250314-en

chaos defense_evasion evasion execution impact ransomware spyware stealer

windows10-2004-x64

23 signatures

150 seconds

Malware Config

Targets

- Target
  
  2025-04-04_52591bcd3ece758cdd181f70d9ef1543_wannacry
- Size
  
  447KB
- MD5
  
  52591bcd3ece758cdd181f70d9ef1543
- SHA1
  
  26b8b245dd637acef02755c20649d75da01fb553
- SHA256
  
  1c79542da7977748a757510d2a7e5422d0fd2fb6bf0b3f978dfdaa47a352ddf2
- SHA512
  
  48c7bd824f3d426f47b6ca946112102b1a1775a604aa2c6924c770a4e9f58bc680421dd894bb0de6c57e4a2eb4d9208c66a18c3122f386d994eb6d273b64e19b
- SSDEEP
  
  12288:KO4cpG0FBzdHVic/AI2qY2U3Kk9K642BBTFKIrfWFYcUT:XY86HRcqc4
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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