Overview

overview

10

Static

static

10

2024-12-21...ry.exe

windows7-x64

10

2024-12-21...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-12-21_56ce01da610cf60699401c12a3dbccb0_wannacry

  • Size

    1.3MB

  • Sample

    241221-yjwfwayjcn

  • MD5

    56ce01da610cf60699401c12a3dbccb0

  • SHA1

    617c2e01a5349782fa8689f9443dcc5c9c7b5180

  • SHA256

    f9ed10f8353aef97c128cbe39aaaedf01db717e990f45680f4045b99304a0285

  • SHA512

    a2660fd29649c7a207bfde3fd5e5a9f6db77ea6cfde36974b0d5611e6bb00a242dbb5f2d0b465e845ab81b4f3c8e6db282a59dfc85464e39fa3ff43cd3c29d61

  • SSDEEP

    12288:4/weO8te/Elj30M9XKGlZOPHsejzfqnN+ByLWJXonZP3g3nTfrWzNnT4yi0krJts:IkDcZrEqC6BGx8GLvOqYaky

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-12-21_56ce01da610cf60699401c12a3dbccb0_wannacry

    • Size

      1.3MB

    • MD5

      56ce01da610cf60699401c12a3dbccb0

    • SHA1

      617c2e01a5349782fa8689f9443dcc5c9c7b5180

    • SHA256

      f9ed10f8353aef97c128cbe39aaaedf01db717e990f45680f4045b99304a0285

    • SHA512

      a2660fd29649c7a207bfde3fd5e5a9f6db77ea6cfde36974b0d5611e6bb00a242dbb5f2d0b465e845ab81b4f3c8e6db282a59dfc85464e39fa3ff43cd3c29d61

    • SSDEEP

      12288:4/weO8te/Elj30M9XKGlZOPHsejzfqnN+ByLWJXonZP3g3nTfrWzNnT4yi0krJts:IkDcZrEqC6BGx8GLvOqYaky

    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)

    • Sets desktop wallpaper using registry

      ransomware
    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

2
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

Defacement

1
T1491

Inhibit System Recovery

4
T1490

Tasks