Extracted

• • Target

    1b59fc1a89c1bc88ea4e1b26da579120.exe

  • Size

    4.7MB

  • MD5

    1b59fc1a89c1bc88ea4e1b26da579120

  • SHA1

    6d1eb3583826aa70f437aba38beee8b787c2da7f

  • SHA256

    6a9b454b620677ea11f4f69156969468b0f43ebdfe27dabfb0cf16572f9379eb

  • SHA512

    9dcde0a9f29d4a68697b9fd2c167c5fc468c5c315b12e769a2f4fc72519996e6e8219fc9386e4e710cc88f12eb43973e79193bf6ef7c755d923f50889344e703

  Score

  10^/10

  smokeloaderbackdoorbootkitdiscoverymacropersistencespywaretrojanxlmplugx

  • PlugX

    PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

    trojanplugx

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader

  • Nirsoft

  • Executes dropped EXE

  • Suspicious Office macro

    Office document equipped with 4.0 macros.

    macroxlm

  • Checks computer location settings

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

  • Deletes itself

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spyware

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

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

    discovery

  • Enumerates connected drives

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

  • Legitimate hosting services abused for malware hosting/C2

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  behavioral1behavioral2