chaos | 0a71319ea75bf60852564255acedf8ebca241dbce159599228b656c64a5407dc | Triage

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Overview

overview

Static

static

2025-03-26...ry.exe

windows7-x64

2025-03-26...ry.exe

windows10-2004-x64

Sharing

General

Target

2025-03-26_17b62bf36407c8e313fb14203d61bdfa_wannacry
Size

349KB
Sample

250326-rp3c2sylz2
MD5

17b62bf36407c8e313fb14203d61bdfa
SHA1

3bef15be182937139c874e22bbc4aa6a72755dcc
SHA256

0a71319ea75bf60852564255acedf8ebca241dbce159599228b656c64a5407dc
SHA512

d9e23d3efb23c1bda16b09d176a17f826689b5373518add6ecee2372a20566b87b2d39e314678fcb5626255f97c49b200678ee30603be0493c5b254ce894a9cc
SSDEEP

6144:Rr9SXlkEt9RGv5INQ0eLr9SXlkEt9RGv5INQ0e9:klkEHshINaulkEHshINa9

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Static task

static1

3 signatures

Behavioral task

behavioral1

Sample

2025-03-26_17b62bf36407c8e313fb14203d61bdfa_wannacry.exe

Resource

win7-20240903-en

chaos defense_evasion evasion execution impact ransomware spyware stealer

windows7-x64

20 signatures

150 seconds

Behavioral task

behavioral2

Sample

2025-03-26_17b62bf36407c8e313fb14203d61bdfa_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
  
  2025-03-26_17b62bf36407c8e313fb14203d61bdfa_wannacry
- Size
  
  349KB
- MD5
  
  17b62bf36407c8e313fb14203d61bdfa
- SHA1
  
  3bef15be182937139c874e22bbc4aa6a72755dcc
- SHA256
  
  0a71319ea75bf60852564255acedf8ebca241dbce159599228b656c64a5407dc
- SHA512
  
  d9e23d3efb23c1bda16b09d176a17f826689b5373518add6ecee2372a20566b87b2d39e314678fcb5626255f97c49b200678ee30603be0493c5b254ce894a9cc
- SSDEEP
  
  6144:Rr9SXlkEt9RGv5INQ0eLr9SXlkEt9RGv5INQ0e9:klkEHshINaulkEHshINa9
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 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

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

behavioral2

chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

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