chaos | e1319577144e33e76755ce24657a28b4bbbe2809fb2917590cc786f1b1293394 | Triage

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Overview

overview

Static

static

2024-05-17...ry.exe

windows7-x64

2024-05-17...ry.exe

windows10-2004-x64

Sharing

General

Target

2024-05-17_5a493651ebb3bfd33efff93951a1c39e_destroyer_wannacry
Size

43KB
Sample

240517-vzvbzaad87
MD5

5a493651ebb3bfd33efff93951a1c39e
SHA1

e3a5f99912ecae3059d4aaf0a337773a8c591d3c
SHA256

e1319577144e33e76755ce24657a28b4bbbe2809fb2917590cc786f1b1293394
SHA512

0adab6a1a1583dc1f05da8fe5e178e3ca4d569865a94776e281d6e2751645e2275a8f91551bc13f24f3c0a09b577b682e1f5026837e271ebdbe39f18c93bd69c
SSDEEP

768:qqo2ypUFA4+kR7Fr9NQAkrJHzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz9:xo2h6417Fr9NQAkrJHzzzzzzzzzzzzz9

Score

10^/10

chaos defense_evasion evasion execution impact ransomware spyware stealer

Static task

static1

4 signatures

Behavioral task

behavioral1

Sample

2024-05-17_5a493651ebb3bfd33efff93951a1c39e_destroyer_wannacry.exe

Resource

win7-20240508-en

chaos defense_evasion evasion execution impact ransomware spyware stealer

windows7-x64

20 signatures

150 seconds

Behavioral task

behavioral2

Sample

2024-05-17_5a493651ebb3bfd33efff93951a1c39e_destroyer_wannacry.exe

Resource

win10v2004-20240508-en

chaos defense_evasion evasion execution impact ransomware spyware stealer

windows10-2004-x64

23 signatures

150 seconds

Malware Config

Targets

- Target
  
  2024-05-17_5a493651ebb3bfd33efff93951a1c39e_destroyer_wannacry
- Size
  
  43KB
- MD5
  
  5a493651ebb3bfd33efff93951a1c39e
- SHA1
  
  e3a5f99912ecae3059d4aaf0a337773a8c591d3c
- SHA256
  
  e1319577144e33e76755ce24657a28b4bbbe2809fb2917590cc786f1b1293394
- SHA512
  
  0adab6a1a1583dc1f05da8fe5e178e3ca4d569865a94776e281d6e2751645e2275a8f91551bc13f24f3c0a09b577b682e1f5026837e271ebdbe39f18c93bd69c
- SSDEEP
  
  768:qqo2ypUFA4+kR7Fr9NQAkrJHzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz9:xo2h6417Fr9NQAkrJHzzzzzzzzzzzzz9
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
- 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

Windows Management Instrumentation

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

chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

behavioral2

chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

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