Overview

overview

7

Static

static

3

MEMZ.exe

windows7-x64

6

MEMZ.exe

windows10-1703-x64

7

MEMZ.exe

windows11-21h2-x64

6

MEMZ.exe

macos-10.15-amd64

4

Sharing

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General

  • Target

    MEMZ.exe

  • Size

    12KB

  • Sample

    240625-bxjynstbja

  • MD5

    a7bcf7ea8e9f3f36ebfb85b823e39d91

  • SHA1

    761168201520c199dba68add3a607922d8d4a86e

  • SHA256

    3ff64f10603f0330fa2386ff99471ca789391ace969bd0ec1c1b8ce1b4a6db42

  • SHA512

    89923b669d31e590189fd06619bf27e47c5a47e82be6ae71fdb1b9b3b30b06fb7ca8ffed6d5c41ac410a367f2eb07589291e95a2644877d6bffd52775a5b1523

  • SSDEEP

    192:HMDLTxWDf/pl3cIEiwqZKBktLe3P+qf2jhP6B5b2yL3:H4IDH3cIqqvUWq+jhyT2yL

Score
7/10
bootkitevasionmacospersistence

Malware Config

Targets

    • Target

      MEMZ.exe

    • Size

      12KB

    • MD5

      a7bcf7ea8e9f3f36ebfb85b823e39d91

    • SHA1

      761168201520c199dba68add3a607922d8d4a86e

    • SHA256

      3ff64f10603f0330fa2386ff99471ca789391ace969bd0ec1c1b8ce1b4a6db42

    • SHA512

      89923b669d31e590189fd06619bf27e47c5a47e82be6ae71fdb1b9b3b30b06fb7ca8ffed6d5c41ac410a367f2eb07589291e95a2644877d6bffd52775a5b1523

    • SSDEEP

      192:HMDLTxWDf/pl3cIEiwqZKBktLe3P+qf2jhP6B5b2yL3:H4IDH3cIqqvUWq+jhyT2yL

    Score
    7/10
    bootkitpersistenceevasion

    • Checks computer location settings

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks