Overview

overview

10

Static

static

1

f82794d285...60.vbs

windows7-x64

10

f82794d285...60.vbs

windows10-2004-x64

10

Sharing

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General

  • Target
    f82794d2852d690d6df6ba682cb8325c8276ab88f2ab0327cba601a63c443b60.vbs
  • Size 278KB
  • Sample240417-cwsd4abc74
  • SHA256 f82794d2852d690d6df6ba682cb8325c8276ab88f2ab0327cba601a63c443b60
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
guloaderdownloaderpersistence

Malware Config

Targets

    • Target
      f82794d2852d690d6df6ba682cb8325c8276ab88f2ab0327cba601a63c443b60.vbs
    • Size 278KB
    • SHA256 f82794d2852d690d6df6ba682cb8325c8276ab88f2ab0327cba601a63c443b60
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    guloaderdownloaderpersistence

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Adds policy Run key to start application

      persistence

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • 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