Overview

overview

9

Static

static

6

FileSetup-...41.exe

windows7_x64

8

FileSetup-...41.exe

windows10_x64

9

Sharing

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General

  • Target
    FileSetup-v17.04.41.exe
  • Size 4.4MB
  • Sample210129-97x41ynnl2
  • SHA256 a8fefe8e1f92a30d1cdd4e2e2afaacf08a02c8961f496ee16e89062417ec5f28
  • MD5 SHA1 SHA512
Score
9/10
bootkitmacropersistencespywarexlm

Malware Config

Targets

    • Target
      FileSetup-v17.04.41.exe
    • Size 4.4MB
    • SHA256 a8fefe8e1f92a30d1cdd4e2e2afaacf08a02c8961f496ee16e89062417ec5f28
    • MD5 SHA1 SHA512
    Score
    9/10
    bootkitmacropersistencespywarexlm

    • Nirsoft

    • Executes dropped EXE

    • Suspicious Office macro

      Office document equipped with 4.0 macros.

      macroxlm

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spyware

    • Enumerates connected drives

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

    • JavaScript code in executable

    • 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

MITRE ATT&CK Enterprise v6

Tasks