Overview

overview

10

Static

static

3

BacteriaLocker.exe

windows10-2004-x64

10

BacteriaLocker.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    BacteriaLocker.exe
  • Size 16KB
  • Sample260715-epxrcabs7k
  • SHA256 c93752bc8b0ffb8660c0ed8f233253dfe8b2e749610a4c75529afa75779fe100
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
executionpersistence

Malware Config

Targets

    • Target
      BacteriaLocker.exe
    • Size 16KB
    • SHA256 c93752bc8b0ffb8660c0ed8f233253dfe8b2e749610a4c75529afa75779fe100
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    executionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

      persistence

    • Checks computer location settings

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

    • Creates new service(s)

      persistenceexecution

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks