Overview

overview

8

Static

static

1

sample

windows11-21h2-x64

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General

  • Target

    sample

  • Size

    223KB

  • Sample

    240420-b24tmsea5w

  • MD5

    ad27eceeae213af0776d2117b34596e9

  • SHA1

    263da3e1bb27308363e9a4a155edbf337aea3db8

  • SHA256

    c453c973a751ac4762242244d0dadc2ea4d57739b7d883a7e7d0aa0358108728

  • SHA512

    f2e38461d71d7120d4cabb5a43e89e8ca13656cda5ef784d93eeeaac136cc3d09dcdc34b0b0a78b77492015d1609f8333e26b000e3b8880c56a1ea039f054206

  • SSDEEP

    6144:2DuqJqjQ+0VSgE29xxskm0nayRo3v9qvZJT3CqbMrhryfQNRPaCieMjAkvCJv1VP:1jQ+0VSgE29xxskm0nayRo3v9qvZJT3s

Score
8/10
bootkitdiscoverypersistence

Malware Config

Targets

    • Target

      sample

    • Size

      223KB

    • MD5

      ad27eceeae213af0776d2117b34596e9

    • SHA1

      263da3e1bb27308363e9a4a155edbf337aea3db8

    • SHA256

      c453c973a751ac4762242244d0dadc2ea4d57739b7d883a7e7d0aa0358108728

    • SHA512

      f2e38461d71d7120d4cabb5a43e89e8ca13656cda5ef784d93eeeaac136cc3d09dcdc34b0b0a78b77492015d1609f8333e26b000e3b8880c56a1ea039f054206

    • SSDEEP

      6144:2DuqJqjQ+0VSgE29xxskm0nayRo3v9qvZJT3CqbMrhryfQNRPaCieMjAkvCJv1VP:1jQ+0VSgE29xxskm0nayRo3v9qvZJT3s

    Score
    8/10
    bootkitdiscoverypersistence

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence
    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks