Overview

overview

8

Static

static

1

6bb280da22...3b.exe

windows7-x64

8

6bb280da22...3b.exe

windows10-2004-x64

8

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General

  • Target

    6bb280da2290da9129d2f0398728fb43110a1399614b473b14b990f98373323b

  • Size

    258KB

  • Sample

    221003-n4k6jaeeb9

  • MD5

    049d9d8e49cebecbd4544ca68e6a7705

  • SHA1

    f6bf531954b3423310c924b962cf7a5c7fa7dd87

  • SHA256

    6bb280da2290da9129d2f0398728fb43110a1399614b473b14b990f98373323b

  • SHA512

    350036e50b9c7ad8e0dd46dbd57cf67781ecd7e242dd495480f2b9df38284a9f0a250aa88139a8f7a948f90e28166485688cdeee0ff8308e12de7c63dcf247fd

  • SSDEEP

    6144:2bNz4Vw9xjMWn0lEsr6BRZ52fv6Y+oNUmlN:4aw9xjMBhrUZ2fhrUmlN

Score
8/10
bootkitpersistenceupx

Malware Config

Targets

    • Target

      6bb280da2290da9129d2f0398728fb43110a1399614b473b14b990f98373323b

    • Size

      258KB

    • MD5

      049d9d8e49cebecbd4544ca68e6a7705

    • SHA1

      f6bf531954b3423310c924b962cf7a5c7fa7dd87

    • SHA256

      6bb280da2290da9129d2f0398728fb43110a1399614b473b14b990f98373323b

    • SHA512

      350036e50b9c7ad8e0dd46dbd57cf67781ecd7e242dd495480f2b9df38284a9f0a250aa88139a8f7a948f90e28166485688cdeee0ff8308e12de7c63dcf247fd

    • SSDEEP

      6144:2bNz4Vw9xjMWn0lEsr6BRZ52fv6Y+oNUmlN:4aw9xjMBhrUZ2fhrUmlN

    Score
    8/10
    bootkitpersistenceupx

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks