Overview

overview

9

Static

static

3

bfc84cd038...cc.exe

windows7-x64

9

bfc84cd038...cc.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    bfc84cd03846b110793635210d9d98880311cd6090cc13331caee199d0c0d9cc

  • Size

    5.3MB

  • Sample

    240526-qldpvagg76

  • MD5

    3c8ff3a5f2fe2ed835912880c2804387

  • SHA1

    61d79555462661e74c278db5edb9bbd55ff1fe0d

  • SHA256

    bfc84cd03846b110793635210d9d98880311cd6090cc13331caee199d0c0d9cc

  • SHA512

    3ae9950dff52330be11878debb6f5f87c1888a536144023029d9e433ab6c8d8914f2c4889df71e1b2de60840242687a47079edb7e44ff12deeec1e303d79b1c4

  • SSDEEP

    98304:1iuobqH3OBxmpnHSW1cpp4oXgxWbLo/ivS/FexAl/T+ZYpIpoYrE:1ixyxNSu2yoXFpvSaY+pJ

Score
9/10
bootkitevasionpersistencetrojan

Malware Config

Targets

    • Target

      bfc84cd03846b110793635210d9d98880311cd6090cc13331caee199d0c0d9cc

    • Size

      5.3MB

    • MD5

      3c8ff3a5f2fe2ed835912880c2804387

    • SHA1

      61d79555462661e74c278db5edb9bbd55ff1fe0d

    • SHA256

      bfc84cd03846b110793635210d9d98880311cd6090cc13331caee199d0c0d9cc

    • SHA512

      3ae9950dff52330be11878debb6f5f87c1888a536144023029d9e433ab6c8d8914f2c4889df71e1b2de60840242687a47079edb7e44ff12deeec1e303d79b1c4

    • SSDEEP

      98304:1iuobqH3OBxmpnHSW1cpp4oXgxWbLo/ivS/FexAl/T+ZYpIpoYrE:1ixyxNSu2yoXFpvSaY+pJ

    Score
    9/10
    bootkitevasionpersistencetrojan

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks whether UAC is enabled

      evasiontrojan

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    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

Virtualization/Sandbox Evasion

1
T1497

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks