Overview

overview

9

Static

static

7

Aunix-External.exe

windows10-2004-x64

9

Aunix-External.exe

windows11-ltsc_2024-x64

9

Sharing

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General

  • Target
    Aunix-External.exe
  • Size 4.2MB
  • Sample260628-wffvxaaz6q
  • SHA256 86cd777077088a3c3cddceb3226ace22a57312c958c430aa4b310c26934d7ff8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
adwaredefense_evasionpersistenceransomwarespywarethemidatrojan

Malware Config

Targets

    • Target
      Aunix-External.exe
    • Size 4.2MB
    • SHA256 86cd777077088a3c3cddceb3226ace22a57312c958c430aa4b310c26934d7ff8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasionthemidatrojanadwarepersistenceransomwarespyware

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

      defense_evasion

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Checks BIOS information in registry

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Enumerates connected drives

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks