Overview

overview

9

Static

static

7

LegionLocker.exe

windows7_x64

9

LegionLocker.exe

windows10_x64

9

Sharing

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General

  • Target
    LegionLocker.exe
  • Size 3.1MB
  • Sample210326-81cwbeya4x
  • SHA256 4cfb6842146846fca052d82cc0f80e23c3a7b23bd5958aecfa6a21e28825a1f0
  • MD5 SHA1 SHA512
Score
9/10
evasionransomwarethemidatrojan

Malware Config

Targets

    • Target
      LegionLocker.exe
    • Size 3.1MB
    • SHA256 4cfb6842146846fca052d82cc0f80e23c3a7b23bd5958aecfa6a21e28825a1f0
    • MD5 SHA1 SHA512
    Score
    9/10
    evasionransomwarethemidatrojan

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • themida

      Detects Themida, Advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks