chaos | f16e0c8253a5d0e297a752f506b266e1525c593ca1f78c71f252544f6d2c84c1 | Triage

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Overview

overview

Static

static

2024-09-04...ry.exe

windows7-x64

2024-09-04...ry.exe

windows10-2004-x64

Sharing

General

Target

2024-09-04_944a94e955dcdfd6bf8d20ac6f09b0de_wannacry
Size

388KB
Sample

240904-hf8c9sxdke
MD5

944a94e955dcdfd6bf8d20ac6f09b0de
SHA1

9f1debe6edea9c586a2b4376b6ec57047bec7e0d
SHA256

f16e0c8253a5d0e297a752f506b266e1525c593ca1f78c71f252544f6d2c84c1
SHA512

b966fb881df5d5faff8a2f808a81d0b288072b476155a40f4abcf5e0b298a7154a0102603187bfe3d7eedc1cb8e16d4ccd7c52f7a23694b31222f447afb8116c
SSDEEP

6144:KvEr9gXp97YQY8kuOybsP5OaoWzw7zDUJZP6l8cND0:ID7VY8kuOybsP5fKl84D

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Static task

static1

3 signatures

Behavioral task

behavioral1

Sample

2024-09-04_944a94e955dcdfd6bf8d20ac6f09b0de_wannacry.exe

Resource

win7-20240903-en

chaos defense_evasion evasion execution impact ransomware spyware stealer

windows7-x64

19 signatures

150 seconds

Behavioral task

behavioral2

Sample

2024-09-04_944a94e955dcdfd6bf8d20ac6f09b0de_wannacry.exe

Resource

win10v2004-20240802-en

chaos defense_evasion evasion execution impact ransomware spyware stealer

windows10-2004-x64

22 signatures

150 seconds

Malware Config

Targets

- Target
  
  2024-09-04_944a94e955dcdfd6bf8d20ac6f09b0de_wannacry
- Size
  
  388KB
- MD5
  
  944a94e955dcdfd6bf8d20ac6f09b0de
- SHA1
  
  9f1debe6edea9c586a2b4376b6ec57047bec7e0d
- SHA256
  
  f16e0c8253a5d0e297a752f506b266e1525c593ca1f78c71f252544f6d2c84c1
- SHA512
  
  b966fb881df5d5faff8a2f808a81d0b288072b476155a40f4abcf5e0b298a7154a0102603187bfe3d7eedc1cb8e16d4ccd7c52f7a23694b31222f447afb8116c
- SSDEEP
  
  6144:KvEr9gXp97YQY8kuOybsP5OaoWzw7zDUJZP6l8cND0:ID7VY8kuOybsP5fKl84D
Score

10^/10

chaos defense_evasion evasion execution impact 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 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

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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