Overview

overview

10

Static

static

3

1e2f264dcb...b1.exe

windows7-x64

1

1e2f264dcb...b1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1e2f264dcb18c99efde72203397b4bb1

  • Size

    572KB

  • Sample

    231230-16rsbaafek

  • MD5

    1e2f264dcb18c99efde72203397b4bb1

  • SHA1

    aa2806ae043909d97bb758b42023429347439ea6

  • SHA256

    84687c1731cad90d812aba959aaff093d528df05b10f7836e867425d3457bc5c

  • SHA512

    89c22072335824a7848374f2da0ddf100b5ef0e3285cde6cd8e23958d14e1c73b6ca67ed6ec72eece9e269fd0242a3a9790f0dc5872a13834817895247f31d91

  • SSDEEP

    12288:beZiUXh6yIzAoSDPgCF8jDByjm4SGo435a7:beiUXh6ynTDoiwVvbGo435K

Score
10/10
bootkitevasionpersistence

Malware Config

Targets

    • Target

      1e2f264dcb18c99efde72203397b4bb1

    • Size

      572KB

    • MD5

      1e2f264dcb18c99efde72203397b4bb1

    • SHA1

      aa2806ae043909d97bb758b42023429347439ea6

    • SHA256

      84687c1731cad90d812aba959aaff093d528df05b10f7836e867425d3457bc5c

    • SHA512

      89c22072335824a7848374f2da0ddf100b5ef0e3285cde6cd8e23958d14e1c73b6ca67ed6ec72eece9e269fd0242a3a9790f0dc5872a13834817895247f31d91

    • SSDEEP

      12288:beZiUXh6yIzAoSDPgCF8jDByjm4SGo435a7:beiUXh6ynTDoiwVvbGo435K

    Score
    10/10
    bootkitevasionpersistence

    • Modifies firewall policy service

      evasion

    • Adds policy Run key to start application

      persistence

    • Modifies Installed Components in the registry

      persistence

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Defense Evasion

Modify Registry

5
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks