Overview

overview

10

Static

static

1

DHL INVOIC...df.vbs

windows7-x64

8

DHL INVOIC...df.vbs

windows10-2004-x64

10

Sharing

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General

  • Target
    DHL INVOICE DOCUMENT NOTIFICATION 202403286777373688_pdf.vbs
  • Size 13KB
  • Sample240329-jbvgaacd4z
  • SHA256 cd6da022c8b2ab80d081be47fd73c588baaa2dff06acabc1a3e681fe1fdc800c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
guloaderdownloaderpersistenceupx

Malware Config

Targets

    • Target
      DHL INVOICE DOCUMENT NOTIFICATION 202403286777373688_pdf.vbs
    • Size 13KB
    • SHA256 cd6da022c8b2ab80d081be47fd73c588baaa2dff06acabc1a3e681fe1fdc800c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    guloaderdownloaderpersistenceupx

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks