Overview

overview

9

Static

static

ca85eafc09...bc.exe

windows7-x64

9

ca85eafc09...bc.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    ca85eafc097d01cc9f3d6e4871cdbbc1e2f3cb3b86d1899f99da2642934b57bc

  • Size

    2.2MB

  • Sample

    221124-n5jn4afc5x

  • MD5

    45cb74ad7ebd0637a4b609112c8f96f9

  • SHA1

    ef8e449bcffb09a29793d055432158adf99ede19

  • SHA256

    ca85eafc097d01cc9f3d6e4871cdbbc1e2f3cb3b86d1899f99da2642934b57bc

  • SHA512

    3b246c3fe90fdf60b8721bcee0739175dc4d85a6225102332499699b839d9c2c8421075963756e4d1270b0d85ba514ac5447f7ca2663d10d4ef61756b2f48705

  • SSDEEP

    49152:pwVOQu1H2GzN27U+wBZEki4BrRG8QEAUpq936T9EQeiaWJFtpraJF:pKoHGgBZu4fQEFk9+9ElWsF

Score
9/10
bootkitevasionpersistencetrojan

Malware Config

Targets

    • Target

      ca85eafc097d01cc9f3d6e4871cdbbc1e2f3cb3b86d1899f99da2642934b57bc

    • Size

      2.2MB

    • MD5

      45cb74ad7ebd0637a4b609112c8f96f9

    • SHA1

      ef8e449bcffb09a29793d055432158adf99ede19

    • SHA256

      ca85eafc097d01cc9f3d6e4871cdbbc1e2f3cb3b86d1899f99da2642934b57bc

    • SHA512

      3b246c3fe90fdf60b8721bcee0739175dc4d85a6225102332499699b839d9c2c8421075963756e4d1270b0d85ba514ac5447f7ca2663d10d4ef61756b2f48705

    • SSDEEP

      49152:pwVOQu1H2GzN27U+wBZEki4BrRG8QEAUpq936T9EQeiaWJFtpraJF:pKoHGgBZu4fQEFk9+9ElWsF

    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.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks