Overview

overview

6

Static

static

1

BlueStacks...==.exe

windows10-ltsc_2021-x64

5

BlueStacks...==.exe

windows11-21h2-x64

6

Sharing

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General

  • Target
    BlueStacksInstaller_5.22.255.1014_native_4b9682f9532ef77040e8eaabc3e1dfdd_MzsxNSwwOzUsNTsxNQ==.exe
  • Size 930KB
  • Sample260813-26q2fszvbz
  • SHA256 0810fe4663e642b97a02b17bbecaec73188c759400d346763d684adfac89c92d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealertrojan

Malware Config

Targets

    • Target
      BlueStacksInstaller_5.22.255.1014_native_4b9682f9532ef77040e8eaabc3e1dfdd_MzsxNSwwOzUsNTsxNQ==.exe
    • Size 930KB
    • SHA256 0810fe4663e642b97a02b17bbecaec73188c759400d346763d684adfac89c92d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    6/10
    discoverydefense_evasionexecutionpersistenceprivilege_escalationspywarestealertrojan

    • Adds Run key to start application

      persistence

    • Downloads MZ/PE file

    • Enumerates connected drives

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

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

      discovery

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

      execution
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

Visual Basic

1
T1059.005

Windows Command Shell

1
T1059.003

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Query Registry

5
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks