Overview

overview

8

Static

static

1

b266875808...e5.exe

windows7_x64

8

b266875808...e5.exe

windows10-2004_x64

8

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General

  • Target

    b266875808b91d14f2dc5dfe2c34f0727754272bdee225454893fa61f4b6f8e5

  • Size

    7.2MB

  • Sample

    220524-q7v61sdea2

  • MD5

    81ff725e361d90040546ccfe24928a9e

  • SHA1

    aca3b80a588838310b5ba828350b086c9c4ffac5

  • SHA256

    b266875808b91d14f2dc5dfe2c34f0727754272bdee225454893fa61f4b6f8e5

  • SHA512

    349cbc4974f395ab7e7ea6c7e86960feff326c821c1dc11b413be9a355def93fe6db0acee24ef5a56926c15a76149039a4153fe42a0de4552b8729d8bdb4fd33

Score
8/10
bootkitdiscoverypersistence

Malware Config

Targets

    • Target

      b266875808b91d14f2dc5dfe2c34f0727754272bdee225454893fa61f4b6f8e5

    • Size

      7.2MB

    • MD5

      81ff725e361d90040546ccfe24928a9e

    • SHA1

      aca3b80a588838310b5ba828350b086c9c4ffac5

    • SHA256

      b266875808b91d14f2dc5dfe2c34f0727754272bdee225454893fa61f4b6f8e5

    • SHA512

      349cbc4974f395ab7e7ea6c7e86960feff326c821c1dc11b413be9a355def93fe6db0acee24ef5a56926c15a76149039a4153fe42a0de4552b8729d8bdb4fd33

    Score
    8/10
    bootkitdiscoverypersistence

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • 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

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks