Overview

overview

10

Static

static

3

Output.exe

windows10-ltsc_2021-x64

10

Sharing

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General

  • Target
    Output.exe
  • Size 15.1MB
  • Sample260814-ledztazfqa
  • SHA256 b68f8777ab8418c5ec0933caaa0466bb9434dc38f35b1517ed3328bc484f5681
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryexecutionpersistenceransomwarethemidatrojan

Malware Config

Targets

    • Target
      Output.exe
    • Size 15.1MB
    • SHA256 b68f8777ab8418c5ec0933caaa0466bb9434dc38f35b1517ed3328bc484f5681
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionpersistenceransomwarethemidatrojan

    • Modifies visibility of hidden/system files in Explorer

      defense_evasion

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

      defense_evasion

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks