Overview

overview

10

Static

static

3

BlueStacks...ve.exe

windows10-2004-x64

10

BlueStacks...ve.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    BlueStacksMicroInstaller_5.22.75.6322_native.exe
  • Size 1.4MB
  • Sample260721-tb2kpsxtg1
  • SHA256 e1a4bd2b52aecebce3e9a1703634238f76796705cf6bae9327a7ccb734241cb0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
executionpersistenceprivilege_escalation

Malware Config

Targets

    • Target
      BlueStacksMicroInstaller_5.22.75.6322_native.exe
    • Size 1.4MB
    • SHA256 e1a4bd2b52aecebce3e9a1703634238f76796705cf6bae9327a7ccb734241cb0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    executionpersistenceprivilege_escalation

    • Modifies WinLogon for persistence

      persistence

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

      persistenceprivilege_escalation

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

AppInit DLLs

1
T1546.010

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

AppInit DLLs

1
T1546.010

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks