Overview

overview

8

Static

static

3

CrystalCry...er.exe

windows10-2004-x64

8

CrystalCry...er.exe

windows11-ltsc_2024-x64

1

Sharing

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General

  • Target
    CrystalCryInstaller.exe
  • Size 574KB
  • Sample260910-22txjshp61
  • SHA256 f8e1c51f0bc26a6bbd789cab487892c6d3d19d45bb84f4d3be569c5c9ad25b94
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
discoverypersistence

Malware Config

Targets

    • Target
      CrystalCryInstaller.exe
    • Size 574KB
    • SHA256 f8e1c51f0bc26a6bbd789cab487892c6d3d19d45bb84f4d3be569c5c9ad25b94
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    discoverypersistence

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks