Overview

overview

10

Static

static

10

2024-09-02...ry.exe

windows7-x64

10

2024-09-02...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-09-02_176d7c5772d3d187f7f543689a051176_chaos_destroyer_wannacry

  • Size

    34KB

  • Sample

    240902-ezf7ca1flq

  • MD5

    176d7c5772d3d187f7f543689a051176

  • SHA1

    67120fe8a5e1a216e718836c7dddd1689f391c5c

  • SHA256

    003e04280d9882a3295c8e316611ce09b72630f08864de38ad4f6e5c9e8b97e7

  • SHA512

    86239b149df8675ed35e98d68ebd40c36da448f01a0d7b13733f741b18c7f70dee29afeb82ce6a14b3b975c21ef0a5653257e0f038521afb5e6d48e6ed409a24

  • SSDEEP

    384:13Mg/bqo22dQq3djaUpRDK5+98cJcr91CppnfCxTsgFUfBUcbcyrE6hei:Pqo2BqN9pRDiN0cr90fMY4cB0Eei

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-09-02_176d7c5772d3d187f7f543689a051176_chaos_destroyer_wannacry

    • Size

      34KB

    • MD5

      176d7c5772d3d187f7f543689a051176

    • SHA1

      67120fe8a5e1a216e718836c7dddd1689f391c5c

    • SHA256

      003e04280d9882a3295c8e316611ce09b72630f08864de38ad4f6e5c9e8b97e7

    • SHA512

      86239b149df8675ed35e98d68ebd40c36da448f01a0d7b13733f741b18c7f70dee29afeb82ce6a14b3b975c21ef0a5653257e0f038521afb5e6d48e6ed409a24

    • SSDEEP

      384:13Mg/bqo22dQq3djaUpRDK5+98cJcr91CppnfCxTsgFUfBUcbcyrE6hei:Pqo2BqN9pRDiN0cr90fMY4cB0Eei

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

    • 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

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • 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

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks