chaos | bb5ca9d8de51734dbd14dc081c7c892d819cd14fafd7ccd62849d70f9e679369 | Triage

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Overview

overview

Static

static

bb5ca9d8de...69.exe

windows7-x64

bb5ca9d8de...69.exe

windows10-2004-x64

Sharing

General

Target

bb5ca9d8de51734dbd14dc081c7c892d819cd14fafd7ccd62849d70f9e679369.exe
Size

205KB
Sample

230330-1ggk2sec87
MD5

62e53bc5aa5f2a70a54e328bff51505f
SHA1

e7deceee97a09d539d81eb91f988ece5e2a2ff51
SHA256

bb5ca9d8de51734dbd14dc081c7c892d819cd14fafd7ccd62849d70f9e679369
SHA512

a676dd284188271be1760ed1edd3320341713662aba1c615481f256007e614e58756a7b6a565beed777230c2ae829c561e3bf3510921ad6495d3776cfdfaa793
SSDEEP

6144:+B4mr9NzqHW7V5V9w/UIRZizI1aqebq/lsyp:+B40qHW7nU/pZmiXqy

Score

10^/10

chaos evasion ransomware spyware stealer

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

bb5ca9d8de51734dbd14dc081c7c892d819cd14fafd7ccd62849d70f9e679369.exe

Resource

win7-20230220-en

chaos evasion ransomware spyware stealer

windows7-x64

19 signatures

150 seconds

Behavioral task

behavioral2

Sample

bb5ca9d8de51734dbd14dc081c7c892d819cd14fafd7ccd62849d70f9e679369.exe

Resource

win10v2004-20230220-en

chaos evasion ransomware spyware stealer

windows10-2004-x64

22 signatures

150 seconds

Malware Config

Targets

- Target
  
  bb5ca9d8de51734dbd14dc081c7c892d819cd14fafd7ccd62849d70f9e679369.exe
- Size
  
  205KB
- MD5
  
  62e53bc5aa5f2a70a54e328bff51505f
- SHA1
  
  e7deceee97a09d539d81eb91f988ece5e2a2ff51
- SHA256
  
  bb5ca9d8de51734dbd14dc081c7c892d819cd14fafd7ccd62849d70f9e679369
- SHA512
  
  a676dd284188271be1760ed1edd3320341713662aba1c615481f256007e614e58756a7b6a565beed777230c2ae829c561e3bf3510921ad6495d3776cfdfaa793
- SSDEEP
  
  6144:+B4mr9NzqHW7V5V9w/UIRZizI1aqebq/lsyp:+B40qHW7nU/pZmiXqy
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
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Deletes backup catalog
  Uses wbadmin.exe to inhibit system recovery.
  ransomware
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  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 v6

Initial Access

Execution

Command-Line Interface

Persistence

Privilege Escalation

Defense Evasion

File Deletion

Credential Access

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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