Overview

overview

8

Static

static

3

Krypton-1.21.11.jar

windows10-ltsc_2021-x64

8

Sharing

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General

  • Target
    Krypton-1.21.11.jar
  • Size 6.9MB
  • Sample260819-19b62axwev
  • SHA256 8f9bacefa22327475476c00e00cf6ab8153707a16e9f65d5285b653a33be824d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
discoveryexecutioninstallerpersistenceransomware

Malware Config

Targets

    • Target
      Krypton-1.21.11.jar
    • Size 6.9MB
    • SHA256 8f9bacefa22327475476c00e00cf6ab8153707a16e9f65d5285b653a33be824d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    discoveryexecutioninstallerpersistenceransomware

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops desktop.ini file(s)

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks