Overview

overview

10

Static

static

1

thing.html

windows11-21h2-x64

10

Resubmissions

03/04/2025, 19:32

250403-x9a27avqv4 8

03/04/2025, 19:30

250403-x7vc2ssxfy 10

03/04/2025, 19:28

250403-x6yzvasxey 6

03/04/2025, 19:27

250403-x5376svpx5 6

Sharing

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General

  • Target

    thing.html

  • Size

    530B

  • Sample

    250403-x7vc2ssxfy

  • MD5

    4cc05d8f62d2e1efa934938da135888e

  • SHA1

    1b595e0ce36fe3f92924f1a800315bca7f4e105d

  • SHA256

    c71219206045b09ed8eecc7ba1bd87513e13b06b31a77fe6e420efc464a53b6c

  • SHA512

    257606ea82eff79ab94a09c93e1fe58488b83a44e2296c7873f0fc184b615ec7250a919cd4a877e2aa9d4296b385d09c4a469b772d140d83960c3c800c3c0b98

Score
10/10
chaosbootkitdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealertrojanupx

Malware Config

Targets

    • Target

      thing.html

    • Size

      530B

    • MD5

      4cc05d8f62d2e1efa934938da135888e

    • SHA1

      1b595e0ce36fe3f92924f1a800315bca7f4e105d

    • SHA256

      c71219206045b09ed8eecc7ba1bd87513e13b06b31a77fe6e420efc464a53b6c

    • SHA512

      257606ea82eff79ab94a09c93e1fe58488b83a44e2296c7873f0fc184b615ec7250a919cd4a877e2aa9d4296b385d09c4a469b772d140d83960c3c800c3c0b98

    Score
    10/10
    chaosbootkitdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealertrojanupx

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Chaos family

      chaos

    • UAC bypass

      defense_evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Disables Task Manager via registry modification

      defense_evasion

    • 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.

      spywarestealer

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Sets desktop wallpaper using registry

      ransomware

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Management Instrumentation

1
T1047

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Direct Volume Access

1
T1006

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

3
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

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

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

Remote System Discovery

1
T1018

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

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

4
T1490

Tasks