Overview

overview

10

Static

static

1

Acolyctine.vbs

windows7-x64

10

Acolyctine.vbs

windows10-2004-x64

10

Sharing

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General

  • Target
    13052024_1238_13052024_PO-0409.tar.lz
  • Size 12KB
  • Sample240513-pt98caef91
  • SHA256 30c88b9ec6d46ea8f9db5f0fd2509d543cd3490687d492ebf6137be561e9af37
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
guloaderdownloaderpersistence

Malware Config

Targets

    • Target
      Acolyctine.vbs
    • Size 23KB
    • SHA256 07ecaaa416220d41b01576eadd929df141f59d1fa015467c8f2e30f6e796a98c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    guloaderdownloaderpersistence

    • 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.

    • 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