Overview

overview

10

Static

static

docs_06_30_2022.xlsb

windows7_x64

8

docs_06_30_2022.xlsb

windows10-2004_x64

10

Resubmissions

01/07/2022, 01:23

220701-br42naebfk10

30/06/2022, 20:01

220630-yrwfvaahbn1

Sharing

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General

  • Target
    docs_06_30_2022.xlsb
  • Size 58KB
  • Sample220701-br42naebfk
  • SHA256 1fc6bed3f1f9a03513cff88ce3d523852565812a75874800add07b4a2efe870b
  • MD5 SHA1 SHA512
Score
10/10
matanbuchusloader

Malware Config

Targets

    • Target
      docs_06_30_2022.xlsb
    • Size 58KB
    • SHA256 1fc6bed3f1f9a03513cff88ce3d523852565812a75874800add07b4a2efe870b
    • MD5 SHA1 SHA512
    Score
    10/10
    matanbuchusloader

    • Matanbuchus

      A loader sold as MaaS first seen in February 2021.

      loadermatanbuchus

    • Blocklisted process makes network request

    • Loads dropped DLL

    • Enumerates connected drives

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks