Overview

overview

10

Static

static

10

LegionLocker.exe

windows7_x64

9

LegionLocker.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    LegionLocker.exe

  • Size

    6.6MB

  • Sample

    220208-qpljvsgha2

  • MD5

    9a72a508fcee3de957167a386f173c44

  • SHA1

    55650582fc704d27cd7d95f971b0ddd13dcd9eaf

  • SHA256

    22b1a6c34e47c23083fc1d2e3d01bc9dbd3fd4429e13aad6797ad41313447708

  • SHA512

    fb8073e5d0c14dbe1780bed15b6a492c0db386acb56b834f56eae9d76cf9872dd95396fd8d6d06048864227fcc90f8cae9d7853169536835a183ea2099994262

Score
10/10
legionlockerevasionransomwarethemidatrojan

Malware Config

Targets

    • Target

      LegionLocker.exe

    • Size

      6.6MB

    • MD5

      9a72a508fcee3de957167a386f173c44

    • SHA1

      55650582fc704d27cd7d95f971b0ddd13dcd9eaf

    • SHA256

      22b1a6c34e47c23083fc1d2e3d01bc9dbd3fd4429e13aad6797ad41313447708

    • SHA512

      fb8073e5d0c14dbe1780bed15b6a492c0db386acb56b834f56eae9d76cf9872dd95396fd8d6d06048864227fcc90f8cae9d7853169536835a183ea2099994262

    Score
    10/10
    evasionransomwarethemidatrojan

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • 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.

    • Checks computer location settings

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

    • Themida packer

      Detects Themida, an 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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks