Overview

overview

10

Static

static

10

2024-10-28...ry.exe

windows7-x64

10

2024-10-28...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-10-28_8eb5649fc13f0c3851262784d8a23dc1_destroyer_wannacry

  • Size

    27KB

  • Sample

    241028-ek8m2szflb

  • MD5

    8eb5649fc13f0c3851262784d8a23dc1

  • SHA1

    25afa34b7ef3cf4d8a216df894ca19f873d2812e

  • SHA256

    4d1741ae2df66cf7b7e71dca62f338ad2a37b6df7682dc8f54c39c1f1ae0eb57

  • SHA512

    75673233f2b3be22622b1166fd6c618f983aea6e8034b9f7bac900994fe6efa065d6d669bbd7265577e19df3d51b011a20a11bf454f80b8bc76c8276be877abc

  • SSDEEP

    384:WtWZPzzxAm1va5Z7Diupt0tWfa2DWdzCkABl+Oy5o91Bq41382v+:77zxAmCBJv0f2DPkpho9Ci382W

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-10-28_8eb5649fc13f0c3851262784d8a23dc1_destroyer_wannacry

    • Size

      27KB

    • MD5

      8eb5649fc13f0c3851262784d8a23dc1

    • SHA1

      25afa34b7ef3cf4d8a216df894ca19f873d2812e

    • SHA256

      4d1741ae2df66cf7b7e71dca62f338ad2a37b6df7682dc8f54c39c1f1ae0eb57

    • SHA512

      75673233f2b3be22622b1166fd6c618f983aea6e8034b9f7bac900994fe6efa065d6d669bbd7265577e19df3d51b011a20a11bf454f80b8bc76c8276be877abc

    • SSDEEP

      384:WtWZPzzxAm1va5Z7Diupt0tWfa2DWdzCkABl+Oy5o91Bq41382v+:77zxAmCBJv0f2DPkpho9Ci382W

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

    • 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

    • 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