General

  • Target

    CrystalUnlocker.exe

  • Size

    7.6MB

  • Sample

    241228-bt7kkatjgv

  • MD5

    baa660a149d37d591190efd3475b3fbb

  • SHA1

    e78cedb008e72b148171541c4bc0fa42cca0ed10

  • SHA256

    c58204bb794071ee1ff1a07389dddf1f40b7fa97be128a45552dc9a6a82dc83b

  • SHA512

    78b073ffefa7dee82394e201a70f97e3d1a20649e9501830ebdd126eb2b4473d7f5bc86bcf69eb905dd2da2f1d4aa66eb3ed40b4cd6231aa25c7122fc5cec47d

  • SSDEEP

    196608:9n7D+kdJS3wfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNWL:l5bScIHL7HmBYXrYoaUNM

Malware Config

Targets

    • Target

      CrystalUnlocker.exe

    • Size

      7.6MB

    • MD5

      baa660a149d37d591190efd3475b3fbb

    • SHA1

      e78cedb008e72b148171541c4bc0fa42cca0ed10

    • SHA256

      c58204bb794071ee1ff1a07389dddf1f40b7fa97be128a45552dc9a6a82dc83b

    • SHA512

      78b073ffefa7dee82394e201a70f97e3d1a20649e9501830ebdd126eb2b4473d7f5bc86bcf69eb905dd2da2f1d4aa66eb3ed40b4cd6231aa25c7122fc5cec47d

    • SSDEEP

      196608:9n7D+kdJS3wfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNWL:l5bScIHL7HmBYXrYoaUNM

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops file in Drivers directory

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks