Overview

overview

9

Static

static

3

7af7b94869...94.exe

windows7-x64

9

7af7b94869...94.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094

  • Size

    3.6MB

  • Sample

    240526-q6ms9ahe46

  • MD5

    21a8ab5092b4ef6dbbef20f283ed3f6f

  • SHA1

    fbe5e2abc8f606148f0565d06734da1e5e090a09

  • SHA256

    7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094

  • SHA512

    689d550fb2c9b4175746b7b9acf7cede34bf907dbd99467c02d3da637731d05018004938d477e653a7aca4c8fb368f12a353f05ee3dc1c60d4732e764806e82d

  • SSDEEP

    49152:w2oXwECke230ibQWsq5X+Kn/rnXX37GdOho7rLGHsLU/BrKyHSxlE1JziLV+2cDp:wKEu230R/+TXqd17qph2VQsQg27MLMV

Score
9/10
bootkitevasionpersistencetrojan

Malware Config

Targets

    • Target

      7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094

    • Size

      3.6MB

    • MD5

      21a8ab5092b4ef6dbbef20f283ed3f6f

    • SHA1

      fbe5e2abc8f606148f0565d06734da1e5e090a09

    • SHA256

      7af7b94869b8e693d3da4780e2a57a3fb0548aedccf90bec167c96dac6bd9094

    • SHA512

      689d550fb2c9b4175746b7b9acf7cede34bf907dbd99467c02d3da637731d05018004938d477e653a7aca4c8fb368f12a353f05ee3dc1c60d4732e764806e82d

    • SSDEEP

      49152:w2oXwECke230ibQWsq5X+Kn/rnXX37GdOho7rLGHsLU/BrKyHSxlE1JziLV+2cDp:wKEu230R/+TXqd17qph2VQsQg27MLMV

    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