Overview

overview

10

Static

static

1

05c38a73d9...e8.msi

windows11-21h2-x64

10

Sharing

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General

  • Target
    05c38a73d9a4ea07d9a851a15fd649573835a3b4b62761b4a8b12133bd9e8de8.msi
  • Size 2.0MB
  • Sample251006-lr665ahn4s
  • SHA256 05c38a73d9a4ea07d9a851a15fd649573835a3b4b62761b4a8b12133bd9e8de8
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
matanbuchusdiscoveryloaderpersistenceprivilege_escalationransomware

Malware Config

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://zermion.com/update/nsLib.zip

Targets

    • Target
      05c38a73d9a4ea07d9a851a15fd649573835a3b4b62761b4a8b12133bd9e8de8.msi
    • Size 2.0MB
    • SHA256 05c38a73d9a4ea07d9a851a15fd649573835a3b4b62761b4a8b12133bd9e8de8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    discoverymatanbuchusloaderpersistenceprivilege_escalationransomware

    • Matanbuchus

      Matanbuchus is a loader sold as MaaS first seen in February 2021.

      loadermatanbuchus

    • Matanbuchus family

      matanbuchus

    • 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.

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks