Overview

overview

10

Static

static

10

6f28216096...a7.exe

windows7-x64

10

6f28216096...a7.exe

windows10-2004-x64

10

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General

  • Target

    6f28216096beb507af083c669e126b327c4c78a3cb0a2bc4ddd8d236aea88ba7

  • Size

    64KB

  • Sample

    240722-kwahaaydrd

  • MD5

    5370f7a2042e191446ba8235d82fdc99

  • SHA1

    ef4d6ca34571e71075f759fd7cc4a46abf993c2e

  • SHA256

    6f28216096beb507af083c669e126b327c4c78a3cb0a2bc4ddd8d236aea88ba7

  • SHA512

    1b7cb15e8e0c2f87b3fecaab885bc68a8516dd155dd6acaee6204b6551404fcf0629ecf5af8bc0a0d3acf2a5e984d066c4cea7e0692bd27700960e32e198ce48

  • SSDEEP

    768:S7zxAm4TteeOSSiIho9Jnrj8rUHjrcdv7lwoh+CS9rUFTo6khlBmBWVKedqv+pw1:SN4h7BSiIq9FXxANhg9r9bRHL4

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\hack.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

      6f28216096beb507af083c669e126b327c4c78a3cb0a2bc4ddd8d236aea88ba7

    • Size

      64KB

    • MD5

      5370f7a2042e191446ba8235d82fdc99

    • SHA1

      ef4d6ca34571e71075f759fd7cc4a46abf993c2e

    • SHA256

      6f28216096beb507af083c669e126b327c4c78a3cb0a2bc4ddd8d236aea88ba7

    • SHA512

      1b7cb15e8e0c2f87b3fecaab885bc68a8516dd155dd6acaee6204b6551404fcf0629ecf5af8bc0a0d3acf2a5e984d066c4cea7e0692bd27700960e32e198ce48

    • SSDEEP

      768:S7zxAm4TteeOSSiIho9Jnrj8rUHjrcdv7lwoh+CS9rUFTo6khlBmBWVKedqv+pw1:SN4h7BSiIq9FXxANhg9r9bRHL4

    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)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks