Overview

overview

9

Static

static

3

Ultraminature.exe

windows10-2004-x64

9

Ultraminature.exe

windows11-21h2-x64

9

Sharing

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General

  • Target
    Ultraminature.exe
  • Size 8.0MB
  • Sample260517-lfxhjset6x
  • SHA256 02dc21a58fd1ff9d75a8f06dd7ff0a066d1ac2408bcda0223d635eb91f7946de
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalationpyinstallerransomwarespywarestealertrojan

Malware Config

Targets

    • Target
      Ultraminature.exe
    • Size 8.0MB
    • SHA256 02dc21a58fd1ff9d75a8f06dd7ff0a066d1ac2408bcda0223d635eb91f7946de
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryexecutionpersistenceprivilege_escalationransomwarespywarestealertrojan

    • Clears Windows event logs

      defense_evasionransomware

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

      defense_evasion

    • Drops file in Drivers directory

    • Creates new service(s)

      persistenceexecution

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Stops running service(s)

      defense_evasionexecution

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

2
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Account Manipulation

1
T1098

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Account Manipulation

1
T1098

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Indicator Removal

1
T1070

Clear Windows Event Logs

1
T1070.001

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

Browser Information Discovery

1
T1217

Permission Groups Discovery

1
T1069

Local Groups

1
T1069.001

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

1
T1082

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks