Overview

overview

10

Static

static

10

20240705f6...ry.exe

windows7-x64

10

20240705f6...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    20240705f6171e8867374374bf04e1ae0bd5e24cdestroyerwannacry
  • Size 27KB
  • Sample240705-ppa8fs1brd
  • SHA256 d214f322652f890ecee73ed143be316b4edd8d6bc13805106c7ecba0c04ac35e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\read_it.txt

Ransom Note
  • Don't worry, you can return all your files! All your files like documents, photos, databases and other important are encrypted What guarantees do we give to you? You can send 3 of your encrypted files and we decrypt it for free. You must follow these steps To decrypt your files : 1) Write on our e-mail :[email protected] ( In case of no answer in 24 hours check your spam folder or write us to this e-mail: [email protected]) 2) Obtain Bitcoin (You have to pay for decryption in Bitcoins. After payment we will send you the tool that will decrypt all your files.)

Targets

    • Target
      20240705f6171e8867374374bf04e1ae0bd5e24cdestroyerwannacry
    • Size 27KB
    • SHA256 d214f322652f890ecee73ed143be316b4edd8d6bc13805106c7ecba0c04ac35e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

    • 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

    • 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

Tasks