Overview

overview

10

Static

static

10

e8527f3098...30.exe

windows10-2004-x64

10

e8527f3098...30.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    e8527f309846d18fbf85289283dcde7b19063a50b11263ba0d36663df8fcfd30
  • Size 581KB
  • Sample260508-n6kmsagv21
  • SHA256 e8527f309846d18fbf85289283dcde7b19063a50b11263ba0d36663df8fcfd30
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cryptjokercredential_accessdiscoveryransomwarespywarestealer

Malware Config

Targets

    • Target
      e8527f309846d18fbf85289283dcde7b19063a50b11263ba0d36663df8fcfd30
    • Size 581KB
    • SHA256 e8527f309846d18fbf85289283dcde7b19063a50b11263ba0d36663df8fcfd30
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    credential_accessdiscoverycryptjokerransomwarespywarestealer

    • Detects CryptoJoker ransomware

    • Family: CryptJoker, PlutoCrypt

      CryptoJoker is an open source ransomware written in C#.

      ransomwarecryptjoker

    • Renames multiple (3367) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Drops startup file

    • 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 v16

Tasks