Overview

overview

10

Static

static

10

2024-10-01...ry.exe

windows7-x64

10

2024-10-01...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-10-01_e6feeef3c64615286abe610bd69a04ff_chaos_destroyer_wannacry

  • Size

    27KB

  • Sample

    241001-gesezsxele

  • MD5

    e6feeef3c64615286abe610bd69a04ff

  • SHA1

    69cdb5743c21350eda3c4fce45d5c26ecace57c8

  • SHA256

    48ac83784322b01e7da5cf98a907f4197679dfbb571b8babfd67307ccdb978bf

  • SHA512

    0ea8446a77f41d075b6518823272da0e348240ab2eac3eac5204717b40d6b40c62a154337b15a2cee7b758916385239528b4c0f9fd9842dc822a493aa556c43e

  • SSDEEP

    384:+tWZPzzxAm1vZyby1m92WXbS/FjTqgUloOy5o91CJ8B82ve:j7zxAmisU2WXbSVJho9IJ4822

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-10-01_e6feeef3c64615286abe610bd69a04ff_chaos_destroyer_wannacry

    • Size

      27KB

    • MD5

      e6feeef3c64615286abe610bd69a04ff

    • SHA1

      69cdb5743c21350eda3c4fce45d5c26ecace57c8

    • SHA256

      48ac83784322b01e7da5cf98a907f4197679dfbb571b8babfd67307ccdb978bf

    • SHA512

      0ea8446a77f41d075b6518823272da0e348240ab2eac3eac5204717b40d6b40c62a154337b15a2cee7b758916385239528b4c0f9fd9842dc822a493aa556c43e

    • SSDEEP

      384:+tWZPzzxAm1vZyby1m92WXbS/FjTqgUloOy5o91CJ8B82ve:j7zxAmisU2WXbSVJho9IJ4822

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (181) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Disables Task Manager via registry modification

      evasion

    • 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.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    behavioral1behavioral2

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

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

1
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

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

4
T1490

Tasks