chaos | 2dec9e4e6c2b23869ee65cacc7f0011dc3592c5c2ba2da8358063741671a4ad6 | Triage

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Overview

overview

Static

static

2024-04-06...ry.exe

windows7-x64

2024-04-06...ry.exe

windows10-2004-x64

Sharing

General

Target

2024-04-06_4c5cb08f2367e302ecb42531c36776a0_wannacry
Size

280KB
Sample

240406-s1hcpaeb27
MD5

4c5cb08f2367e302ecb42531c36776a0
SHA1

4f1d06dd3cb123214aa25aba3fd3d142cdc1e8dc
SHA256

2dec9e4e6c2b23869ee65cacc7f0011dc3592c5c2ba2da8358063741671a4ad6
SHA512

a79f4808e48872b65262aa3a57f1239eb0698c86f3f48f619d6cb6349d85c6e4007228e67eccc4e4158c83cc4fa4498066d26bf95fa9934c8ad2224ac10c0be4
SSDEEP

6144:qr9L8jq2Gteiy0KhK6bClLmlJNZtHim/WnA/77FfA4RL4xLZTogzI:jPGteiy0cKeeLmlJNZtCmGM7FfxLctTr

Score

10^/10

chaos evasion ransomware spyware stealer

Static task

static1

4 signatures

Behavioral task

behavioral1

Sample

2024-04-06_4c5cb08f2367e302ecb42531c36776a0_wannacry.exe

Resource

win7-20240220-en

chaos evasion ransomware spyware stealer

windows7-x64

20 signatures

150 seconds

Behavioral task

behavioral2

Sample

2024-04-06_4c5cb08f2367e302ecb42531c36776a0_wannacry.exe

Resource

win10v2004-20240226-en

chaos evasion ransomware spyware stealer

windows10-2004-x64

23 signatures

150 seconds

Malware Config

Targets

- Target
  
  2024-04-06_4c5cb08f2367e302ecb42531c36776a0_wannacry
- Size
  
  280KB
- MD5
  
  4c5cb08f2367e302ecb42531c36776a0
- SHA1
  
  4f1d06dd3cb123214aa25aba3fd3d142cdc1e8dc
- SHA256
  
  2dec9e4e6c2b23869ee65cacc7f0011dc3592c5c2ba2da8358063741671a4ad6
- SHA512
  
  a79f4808e48872b65262aa3a57f1239eb0698c86f3f48f619d6cb6349d85c6e4007228e67eccc4e4158c83cc4fa4498066d26bf95fa9934c8ad2224ac10c0be4
- SSDEEP
  
  6144:qr9L8jq2Gteiy0KhK6bClLmlJNZtHim/WnA/77FfA4RL4xLZTogzI:jPGteiy0cKeeLmlJNZtCmGM7FfxLctTr
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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