Overview

overview

7

Static

static

3

deca524c9b...b8.exe

windows7-x64

7

deca524c9b...b8.exe

windows10-2004-x64

7

Sharing

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General

  • Target

    deca524c9b3b388167ce7b12fd731f456c8164621cb447133134ad4d1b8d64b8

  • Size

    1.6MB

  • Sample

    240526-jel93sbd5y

  • MD5

    15fdfb61c3bcf26af3548d7fade4a8ae

  • SHA1

    d76af19cc583ea66d0caa943a9593761c19dd020

  • SHA256

    deca524c9b3b388167ce7b12fd731f456c8164621cb447133134ad4d1b8d64b8

  • SHA512

    ef7c675344345e9a9d354c583d29b589571a2b892fe03f2d620f04fe955a82d838a611aef44fed844ad66be916c95b784b754f3eeec693a7ffaaa02e8095d956

  • SSDEEP

    24576:77Fy4FMmZg15PgU+/uka4YjCp/SKhdm87PUY9Zbvhjdqdb3rWBvO0yjm0cg78:7737Rp/7dmGN9tJjdqRrwvol78

Score
7/10
bootkitpersistence

Malware Config

Targets

    • Target

      deca524c9b3b388167ce7b12fd731f456c8164621cb447133134ad4d1b8d64b8

    • Size

      1.6MB

    • MD5

      15fdfb61c3bcf26af3548d7fade4a8ae

    • SHA1

      d76af19cc583ea66d0caa943a9593761c19dd020

    • SHA256

      deca524c9b3b388167ce7b12fd731f456c8164621cb447133134ad4d1b8d64b8

    • SHA512

      ef7c675344345e9a9d354c583d29b589571a2b892fe03f2d620f04fe955a82d838a611aef44fed844ad66be916c95b784b754f3eeec693a7ffaaa02e8095d956

    • SSDEEP

      24576:77Fy4FMmZg15PgU+/uka4YjCp/SKhdm87PUY9Zbvhjdqdb3rWBvO0yjm0cg78:7737Rp/7dmGN9tJjdqRrwvol78

    Score
    7/10
    bootkitpersistence

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 v13

Initial Access

Execution

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks