Overview

overview

8

Static

static

3

WyvernLoader.exe

windows11-ltsc_2024-x64

8

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General

  • Target
    WyvernLoader.exe
  • Size 19.5MB
  • Sample260913-c8ptqseb35
  • SHA256 edc0bfaf490ebad6fed49519575efbb5585272c9710048953ec33b5145d72dd1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwaredefense_evasiondiscoveryexecutionpersistenceprivilege_escalationransomwarespyware

Malware Config

Targets

    • Target
      WyvernLoader.exe
    • Size 19.5MB
    • SHA256 edc0bfaf490ebad6fed49519575efbb5585272c9710048953ec33b5145d72dd1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    adwaredefense_evasiondiscoveryexecutionpersistenceprivilege_escalationransomwarespyware

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Drops desktop.ini file(s)

    • Creates a new local user account

      Uses net.exe to create a new local user account, often for persistence or a backdoor account.

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks