Overview

overview

10

Static

static

10

malware ra...re.exe

windows7-x64

10

malware ra...re.exe

windows10-2004-x64

10

malware ra...re.exe

windows10-ltsc 2021-x64

10

malware ra...re.exe

windows11-21h2-x64

10

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General

  • Target

    malware ransomware.exe

  • Size

    23KB

  • Sample

    250209-3vh25swrgt

  • MD5

    47750b58657debaa542dc362b2b475d2

  • SHA1

    4a69be06f72fc4cfab62914ef3f5ee7a6ad98500

  • SHA256

    8ccace3ee82c7a575a2256a35a74e52981d34a92f979fac94cc5e8406260e9f5

  • SHA512

    078b5716bb55171ba8af69246caca0951e8c2193611516210b703d6fd5500aef35c5a02f8e059704102ac903fddad2e9de08014174856bc418a6f375856af0de

  • SSDEEP

    384:h3Mg/bqo2Yag2bu01Skp7DPJIXrTyKJ0r91Cibb5SeZ:Dqo2BHuOVp7DPJcyu0r9pbb4eZ

Score
10/10
chaosadwaredefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\Documents\read_it.txt

Family

chaos

Ransom Note
----> Chaos is multi language ransomware. Translate your note to any language <---- All of your files have been encrypted! Your computer was infected with a ransomware called nigger ransomware. Your files have been encrypted and fucked. pay $1,500. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0.1473766 BTC Bitcoin Address: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0

Targets

    • Target

      malware ransomware.exe

    • Size

      23KB

    • MD5

      47750b58657debaa542dc362b2b475d2

    • SHA1

      4a69be06f72fc4cfab62914ef3f5ee7a6ad98500

    • SHA256

      8ccace3ee82c7a575a2256a35a74e52981d34a92f979fac94cc5e8406260e9f5

    • SHA512

      078b5716bb55171ba8af69246caca0951e8c2193611516210b703d6fd5500aef35c5a02f8e059704102ac903fddad2e9de08014174856bc418a6f375856af0de

    • SSDEEP

      384:h3Mg/bqo2Yag2bu01Skp7DPJIXrTyKJ0r91Cibb5SeZ:Dqo2BHuOVp7DPJcyu0r9pbb4eZ

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactransomwarespywarestealerdiscoveryadwarepersistenceprivilege_escalation

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Chaos family

      chaos

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops desktop.ini file(s)

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • Drops file in System32 directory

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Browser Extensions

1
T1176

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

4
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

4
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

4
T1490

Tasks