Overview

overview

10

Static

static

1

Vendor Dat...df.exe

windows7-x64

10

Vendor Dat...df.exe

windows10-2004-x64

8

Sharing

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General

  • Target
    Vendor Data Requirements·pdf.exe
  • Size 401KB
  • Sample240709-ltcejaxejl
  • SHA256 a03913b0dcf4d9707eb9c74d69b522927e760e9be55effb0e14ebbbaad9177c7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
guloaderdownloaderexecutionpersistence

Malware Config

Targets

    • Target
      Vendor Data Requirements·pdf.exe
    • Size 401KB
    • SHA256 a03913b0dcf4d9707eb9c74d69b522927e760e9be55effb0e14ebbbaad9177c7
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    guloaderdownloaderexecutionpersistence

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks