Overview

overview

8

Static

static

3

Optimizer.exe

windows10-2004-x64

1

Optimizer.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    Optimizer.exe
  • Size 853KB
  • Sample260821-24lnysdn41
  • SHA256 e88dc150d4e79efd2186355036b9548ac29a8063d04c7a83457e1b0a9c398d29
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwaremicrosoftdefense_evasiondiscoverypersistencephishingransomwarespywaretrojan

Malware Config

Targets

    • Target
      Optimizer.exe
    • Size 853KB
    • SHA256 e88dc150d4e79efd2186355036b9548ac29a8063d04c7a83457e1b0a9c398d29
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    adwaremicrosoftdefense_evasiondiscoverypersistencephishingransomwarespywaretrojan

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Drops file in Drivers directory

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

      persistence

    • Executes dropped EXE

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Detected potential entity reuse from brand MICROSOFT.

      phishingmicrosoft
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

2
T1120

Query Registry

5
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks