chaos | 62b5141e0d4050120bcf9210ff26baffc96dd8a9d110fc52d345a3858c47defb | Triage

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Overview

overview

Static

static

2024-03-04...ry.exe

windows7-x64

2024-03-04...ry.exe

windows10-2004-x64

Sharing

General

Target

2024-03-04_8a7b239a572454dbaf35aa4071d1a722_destroyer_wannacry
Size

22KB
Sample

240304-da7gkaga9y
MD5

8a7b239a572454dbaf35aa4071d1a722
SHA1

bb94592c60d1c82445695e2d47e0c19f26293c2e
SHA256

62b5141e0d4050120bcf9210ff26baffc96dd8a9d110fc52d345a3858c47defb
SHA512

e924b27f274b0894ef67e6d41ecaaa199000f70ccd3ba80123d684683448306169407fce14c3ae6bfedc57b4f4fd1b1b17064f756e4fdbe7d5e45102fb32b0ea
SSDEEP

384:13Mg/bqo2zqeJZ2/pD0YNqyJwer91Cn4rleh:Pqo2ZJZ2/pBUmFr9g4peh

Score

10^/10

chaos evasion ransomware spyware stealer

Static task

static1

4 signatures

Behavioral task

behavioral1

Sample

2024-03-04_8a7b239a572454dbaf35aa4071d1a722_destroyer_wannacry.exe

Resource

win7-20240221-en

chaos evasion ransomware spyware stealer

windows7-x64

19 signatures

150 seconds

Behavioral task

behavioral2

Sample

2024-03-04_8a7b239a572454dbaf35aa4071d1a722_destroyer_wannacry.exe

Resource

win10v2004-20240226-en

chaos evasion ransomware spyware stealer

windows10-2004-x64

22 signatures

150 seconds

Malware Config

Targets

- Target
  
  2024-03-04_8a7b239a572454dbaf35aa4071d1a722_destroyer_wannacry
- Size
  
  22KB
- MD5
  
  8a7b239a572454dbaf35aa4071d1a722
- SHA1
  
  bb94592c60d1c82445695e2d47e0c19f26293c2e
- SHA256
  
  62b5141e0d4050120bcf9210ff26baffc96dd8a9d110fc52d345a3858c47defb
- SHA512
  
  e924b27f274b0894ef67e6d41ecaaa199000f70ccd3ba80123d684683448306169407fce14c3ae6bfedc57b4f4fd1b1b17064f756e4fdbe7d5e45102fb32b0ea
- SSDEEP
  
  384:13Mg/bqo2zqeJZ2/pD0YNqyJwer91Cn4rleh:Pqo2ZJZ2/pBUmFr9g4peh
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)
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

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

Inhibit System Recovery

Tasks

static1

behavioral1

chaosevasionransomwarespywarestealer

behavioral2

chaosevasionransomwarespywarestealer

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