Overview

overview

10

Static

static

10

2025-02-22...ry.exe

windows7-x64

10

2025-02-22...ry.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    2025-02-22_7d665d19c599e7dde4678186a93cd68c_wannacry

  • Size

    816KB

  • Sample

    250222-xn68haxn18

  • MD5

    7d665d19c599e7dde4678186a93cd68c

  • SHA1

    ee40d4a8c9f93841af4a6ce9eded30ae00d6c28c

  • SHA256

    983223d3c64d68f560b7315bc8b32610c7606382e8778537bee3cfe70dff1f76

  • SHA512

    522072b91c03497a84d0df047ea2be56143e58878e7064ab3c82877499df1822c43701fb9233a8ae9b1a7fe7824d0171905d5f1fb676529439c792b1c9857b1a

  • SSDEEP

    12288:pn7H1QuMhey5GsQjlXfDVtemY79zhrGdb+qe2gUc2j+pey7lDrKhlHNtwGmI4mmh:VH1g2RNmjBaWmm

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target

      2025-02-22_7d665d19c599e7dde4678186a93cd68c_wannacry

    • Size

      816KB

    • MD5

      7d665d19c599e7dde4678186a93cd68c

    • SHA1

      ee40d4a8c9f93841af4a6ce9eded30ae00d6c28c

    • SHA256

      983223d3c64d68f560b7315bc8b32610c7606382e8778537bee3cfe70dff1f76

    • SHA512

      522072b91c03497a84d0df047ea2be56143e58878e7064ab3c82877499df1822c43701fb9233a8ae9b1a7fe7824d0171905d5f1fb676529439c792b1c9857b1a

    • SSDEEP

      12288:pn7H1QuMhey5GsQjlXfDVtemY79zhrGdb+qe2gUc2j+pey7lDrKhlHNtwGmI4mmh:VH1g2RNmjBaWmm

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

    • 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

      defense_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

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks