Overview

overview

10

Static

static

1

media_imag...ok.jpg

windows7-x64

10

media_imag...ok.jpg

windows10-2004-x64

3

Sharing

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General

  • Target

    media_images_grubyptok.jpg

  • Size

    149KB

  • Sample

    241031-wqze1azpgw

  • MD5

    26a2c7b4bddada15f52a82e4b8a1a4a1

  • SHA1

    12d0ffae14529df8e771db4fff4e13b6ba56008d

  • SHA256

    f9197ec99fb6cfccca9b5ad6af20c455f7e0b5cf15c9baf197164b2e6f7bfe78

  • SHA512

    b99c657f18d79b8154752d4c995d8c768bffd6a0358eb5be7c2cff9d26dd2946c59c64fd91d70fe8cb3417dd129d288c474626bebceb6b54d8566cb0c5d469c5

  • SSDEEP

    3072:C2GgAUugk4mxDZnm1u6PMJW+vvRo/tx5vKqR/V+UyTA05ydd:CzLJxDZn2u94+vG/tx5yqZV+UyTA05e

Score
10/10
chaosbootkitdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealertrojanupx

Malware Config

Targets

    • Target

      media_images_grubyptok.jpg

    • Size

      149KB

    • MD5

      26a2c7b4bddada15f52a82e4b8a1a4a1

    • SHA1

      12d0ffae14529df8e771db4fff4e13b6ba56008d

    • SHA256

      f9197ec99fb6cfccca9b5ad6af20c455f7e0b5cf15c9baf197164b2e6f7bfe78

    • SHA512

      b99c657f18d79b8154752d4c995d8c768bffd6a0358eb5be7c2cff9d26dd2946c59c64fd91d70fe8cb3417dd129d288c474626bebceb6b54d8566cb0c5d469c5

    • SSDEEP

      3072:C2GgAUugk4mxDZnm1u6PMJW+vvRo/tx5vKqR/V+UyTA05ydd:CzLJxDZn2u94+vG/tx5yqZV+UyTA05e

    Score
    10/10
    chaosbootkitdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomwarespywarestealertrojanupx

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Chaos family

      chaos

    • UAC bypass

      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

      evasion

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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
    behavioral1behavioral2

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

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

1
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