chaos | 3d0004f13bc7aef133147a64b89cd4851a6723c494ca41a89bde3c767a10a153 | Triage

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Overview

overview

Static

static

2024-02-29...ry.exe

windows7-x64

2024-02-29...ry.exe

windows10-2004-x64

Sharing

General

Target

2024-02-29_6b43280b163e40aa2fb0b074e6046cf9_wannacry
Size

457KB
Sample

240229-kkdqkabh59
MD5

6b43280b163e40aa2fb0b074e6046cf9
SHA1

c6128620b37fe79066a7c59668d29e7fa0368cdb
SHA256

3d0004f13bc7aef133147a64b89cd4851a6723c494ca41a89bde3c767a10a153
SHA512

dbca24cb420d0e38356de0e27139765a14e839417ca05a3434e2db12fb59baf96caaa79ecd00a4e1b7310135f61bd495d30f30ce3e980ed9563dc6af6527f432
SSDEEP

12288:29FRlWHJnjGFljnPt7kGbMT3dk4KBY/DwAM5Gx7uY0y8MMlrxl/:VJnKGTTMt

Score

10^/10

chaos evasion ransomware spyware stealer

Static task

static1

4 signatures

Behavioral task

behavioral1

Sample

2024-02-29_6b43280b163e40aa2fb0b074e6046cf9_wannacry.exe

Resource

win7-20240221-en

chaos evasion ransomware spyware stealer

windows7-x64

22 signatures

150 seconds

Behavioral task

behavioral2

Sample

2024-02-29_6b43280b163e40aa2fb0b074e6046cf9_wannacry.exe

Resource

win10v2004-20240226-en

chaos evasion ransomware spyware stealer

windows10-2004-x64

23 signatures

150 seconds

Malware Config

Targets

- Target
  
  2024-02-29_6b43280b163e40aa2fb0b074e6046cf9_wannacry
- Size
  
  457KB
- MD5
  
  6b43280b163e40aa2fb0b074e6046cf9
- SHA1
  
  c6128620b37fe79066a7c59668d29e7fa0368cdb
- SHA256
  
  3d0004f13bc7aef133147a64b89cd4851a6723c494ca41a89bde3c767a10a153
- SHA512
  
  dbca24cb420d0e38356de0e27139765a14e839417ca05a3434e2db12fb59baf96caaa79ecd00a4e1b7310135f61bd495d30f30ce3e980ed9563dc6af6527f432
- SSDEEP
  
  12288:29FRlWHJnjGFljnPt7kGbMT3dk4KBY/DwAM5Gx7uY0y8MMlrxl/:VJnKGTTMt
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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