Overview

overview

8

Static

static

3

zinst.6638258007.msi

windows10-2004-x64

7

zinst.6638258007.msi

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    bce981e53563782656df6f51feb6a580173cecfdf902e8b46c318fe1e944017c
  • Size 7.7MB
  • Sample260707-vtpvasbs2k
  • SHA256 bce981e53563782656df6f51feb6a580173cecfdf902e8b46c318fe1e944017c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasionexecutionpersistenceprivilege_escalationransomware

Malware Config

Targets

    • Target
      zinst.6638258007.msi
    • Size 7.9MB
    • SHA256 6caf731a5f916170d46a11e8e1ab497bbecd7a6386ba066908c8f716ef4a0399
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    persistenceprivilege_escalationransomwaredefense_evasionexecution

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Loads dropped DLL

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

      defense_evasion

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks