Overview

overview

10

Static

static

10

Yashma ran....2.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    Yashma ransomware builder v1.2.exe
  • Size 538KB
  • Sample240902-nbv52ayeqp
  • SHA256 f9a5a72ead096594c5d59abe706e3716f6000c3b4ebd7690f2eb114a37d1a7db
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
chaosdiscoverypersistenceransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\Users\Admin\Contacts\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
      Yashma ransomware builder v1.2.exe
    • Size 538KB
    • SHA256 f9a5a72ead096594c5d59abe706e3716f6000c3b4ebd7690f2eb114a37d1a7db
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    chaosdiscoverypersistenceransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • 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)

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks