Overview

overview

9

Static

static

3

88d6a33907...78.exe

windows7-x64

9

88d6a33907...78.exe

windows10-2004-x64

9

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General

  • Target

    88d6a3390791a9bfc94efb1716d1785766ae4217cdaa0a6cf2c551d229b2b778

  • Size

    9.4MB

  • Sample

    240526-prct3ach6t

  • MD5

    4881e32b234e8e707ad62a566f4ba4af

  • SHA1

    3bfb1ff1dd6525f502f6dea4c74162cb22792988

  • SHA256

    88d6a3390791a9bfc94efb1716d1785766ae4217cdaa0a6cf2c551d229b2b778

  • SHA512

    7d4fbcdce8f466194c90c1293ee4442006d47fc6c60d9644f7850906d1ec6db4bfdb79363e9f9d8efbfbbb3f0a6e4522d2ad3960f5809c1153ec50de4bc6117a

  • SSDEEP

    196608:MmCNa/wmceYkGTRI2ZVXfUZgtZTAVUtuPlaIhFXDcJSnZNZyrbupR:Mmp/wmvYkGlIsVvUZuAVU8PlagRDBnZE

Score
9/10
bootkitevasionpersistencetrojan

Malware Config

Targets

    • Target

      88d6a3390791a9bfc94efb1716d1785766ae4217cdaa0a6cf2c551d229b2b778

    • Size

      9.4MB

    • MD5

      4881e32b234e8e707ad62a566f4ba4af

    • SHA1

      3bfb1ff1dd6525f502f6dea4c74162cb22792988

    • SHA256

      88d6a3390791a9bfc94efb1716d1785766ae4217cdaa0a6cf2c551d229b2b778

    • SHA512

      7d4fbcdce8f466194c90c1293ee4442006d47fc6c60d9644f7850906d1ec6db4bfdb79363e9f9d8efbfbbb3f0a6e4522d2ad3960f5809c1153ec50de4bc6117a

    • SSDEEP

      196608:MmCNa/wmceYkGTRI2ZVXfUZgtZTAVUtuPlaIhFXDcJSnZNZyrbupR:Mmp/wmvYkGlIsVvUZuAVU8PlagRDBnZE

    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