Overview

overview

10

Static

static

10

2024-07-23...ry.exe

windows7-x64

10

2024-07-23...ry.exe

windows10-2004-x64

10

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General

  • Target

    2024-07-23_7464d5fe58d9a1423dc89d2e14a0b44d_destroyer_wannacry

  • Size

    21KB

  • Sample

    240723-tw4wkayfjl

  • MD5

    7464d5fe58d9a1423dc89d2e14a0b44d

  • SHA1

    e2c1af1fe77022350f40e289da12c432a9c539b3

  • SHA256

    f527c0f6f450394b45e18c44c107fe325cadf6317cf1e826f0a3141981cca031

  • SHA512

    22409e1b91fc7218d8e1be524708e860a5895302f40600426b9af3cef7bab6e7d495c19e0f1e1c77e5f347993dacb92f383fe0fcc3a231f8dc2347156356e807

  • SSDEEP

    384:d3Mg/bqo2jVBgFSpSOjuwzUnJyr91CnttgpZem:nqo2puFSp/jKJyr94gHem

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-07-23_7464d5fe58d9a1423dc89d2e14a0b44d_destroyer_wannacry

    • Size

      21KB

    • MD5

      7464d5fe58d9a1423dc89d2e14a0b44d

    • SHA1

      e2c1af1fe77022350f40e289da12c432a9c539b3

    • SHA256

      f527c0f6f450394b45e18c44c107fe325cadf6317cf1e826f0a3141981cca031

    • SHA512

      22409e1b91fc7218d8e1be524708e860a5895302f40600426b9af3cef7bab6e7d495c19e0f1e1c77e5f347993dacb92f383fe0fcc3a231f8dc2347156356e807

    • SSDEEP

      384:d3Mg/bqo2jVBgFSpSOjuwzUnJyr91CnttgpZem:nqo2puFSp/jKJyr94gHem

    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)

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks