Overview

overview

10

Static

static

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    file.exe
  • Size 250KB
  • Sample221230-mkc55sfd69
  • SHA256 9756d646cb166f9726e6f2ddcaaca9dd5d73cb1c5df38b40f8b86b94d265389c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
smokeloaderbackdoordiscoverytrojan

Malware Config

Targets

    • Target
      file.exe
    • Size 250KB
    • SHA256 9756d646cb166f9726e6f2ddcaaca9dd5d73cb1c5df38b40f8b86b94d265389c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    smokeloaderbackdoortrojandiscovery

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks