chaos | 9655de02d2274819418054aa58e22e88b2b649a5d2da076e9e53ce425048ea45 | Triage

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Overview

overview

Static

static

9655de02d2...45.exe

windows7-x64

9655de02d2...45.exe

windows10-2004-x64

Sharing

General

Target

9655de02d2274819418054aa58e22e88b2b649a5d2da076e9e53ce425048ea45
Size

26KB
Sample

240306-f3c5jadb39
MD5

ad78e9e6e100891aa25b07097029842a
SHA1

d979d4fc1bfb8b54699423a5a35d1064426b4f1c
SHA256

9655de02d2274819418054aa58e22e88b2b649a5d2da076e9e53ce425048ea45
SHA512

3796a39cee380b76c9e034237bd929232df26bc77154aff7d7049301fb452c991bab555362af4c67540bc6d5b0bbf6e96eea2bb4c9d3b285791ae795ef6059c6
SSDEEP

384:r3Mg/bqo2jiDpMkms1mIJDr91CrLGezan:Nqo2eDpMkms1mADr9UiezU

Score

10^/10

chaos evasion ransomware spyware stealer

Static task

static1

4 signatures

Behavioral task

behavioral1

Sample

9655de02d2274819418054aa58e22e88b2b649a5d2da076e9e53ce425048ea45.exe

Resource

win7-20240221-en

chaos evasion ransomware spyware stealer

windows7-x64

19 signatures

150 seconds

Behavioral task

behavioral2

Sample

9655de02d2274819418054aa58e22e88b2b649a5d2da076e9e53ce425048ea45.exe

Resource

win10v2004-20240226-en

chaos evasion ransomware spyware stealer

windows10-2004-x64

22 signatures

150 seconds

Malware Config

Targets

- Target
  
  9655de02d2274819418054aa58e22e88b2b649a5d2da076e9e53ce425048ea45
- Size
  
  26KB
- MD5
  
  ad78e9e6e100891aa25b07097029842a
- SHA1
  
  d979d4fc1bfb8b54699423a5a35d1064426b4f1c
- SHA256
  
  9655de02d2274819418054aa58e22e88b2b649a5d2da076e9e53ce425048ea45
- SHA512
  
  3796a39cee380b76c9e034237bd929232df26bc77154aff7d7049301fb452c991bab555362af4c67540bc6d5b0bbf6e96eea2bb4c9d3b285791ae795ef6059c6
- SSDEEP
  
  384:r3Mg/bqo2jiDpMkms1mIJDr91CrLGezan:Nqo2eDpMkms1mADr9UiezU
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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