Overview

overview

7

Static

static

1

CrystalDis...14.exe

windows7-x64

7

CrystalDis...14.exe

windows10-2004-x64

7

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General

  • Target

    CrystalDiskInfo8_17_14.exe

  • Size

    5.0MB

  • Sample

    230403-r65vhaha8t

  • MD5

    79cead4c2efd357a242ad9e102ab1686

  • SHA1

    a8f57052d20044972df6757dfaed2d9263138774

  • SHA256

    f004c98f0011b2289d929448bad26a49664d51143bf8fb949ae1c5645d716aed

  • SHA512

    f75f51a52f3352a6c9160f43c947a3e2204828e3ab956d07b1294e52b06aa910d7fd99a33bb8c5175876915d678d4149947583d78f5a9cbf48499853e1b726d3

  • SSDEEP

    98304:AkLgt49pH80N0IOAULF4SwU07QUXymV95zfRcI9iX9FQktWqdBLmn:fL8M0IOAELqXrVHfRcqiX9+kIEy

Score
7/10
bootkitdiscoverypersistence

Malware Config

Targets

    • Target

      CrystalDiskInfo8_17_14.exe

    • Size

      5.0MB

    • MD5

      79cead4c2efd357a242ad9e102ab1686

    • SHA1

      a8f57052d20044972df6757dfaed2d9263138774

    • SHA256

      f004c98f0011b2289d929448bad26a49664d51143bf8fb949ae1c5645d716aed

    • SHA512

      f75f51a52f3352a6c9160f43c947a3e2204828e3ab956d07b1294e52b06aa910d7fd99a33bb8c5175876915d678d4149947583d78f5a9cbf48499853e1b726d3

    • SSDEEP

      98304:AkLgt49pH80N0IOAULF4SwU07QUXymV95zfRcI9iX9FQktWqdBLmn:fL8M0IOAELqXrVHfRcqiX9+kIEy

    Score
    7/10
    bootkitdiscoverypersistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks