Overview

overview

10

Static

static

10

lib.exe

windows10-2004-x64

8

lib.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    lib.exe
  • Size 10.3MB
  • Sample260708-vaaahadz4y
  • SHA256 4856319325a833da3168a95cdba27a106c2766f1f3a7561064d2a13eb4ca6976
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
blankgrabbercollectioncredential_accessdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealerupx

Malware Config

Targets

    • Target
      lib.exe
    • Size 10.3MB
    • SHA256 4856319325a833da3168a95cdba27a106c2766f1f3a7561064d2a13eb4ca6976
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    collectioncredential_accessdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealerupxblankgrabber

    • A stealer written in Python and packaged with Pyinstaller

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

      defense_evasion

    • Family: blankgrabber

      Blankgrabber is an infostealer written in Python and packaged with Pyinstaller.

      stealerblankgrabber

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

      collection

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

      credential_accessstealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Looks up external IP address via web service

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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

      defense_evasion

    • Enumerates processes with tasklist

      discovery

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

3
T1059

PowerShell

2
T1059.001

Persistence

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Obfuscated Files or Information

1
T1027

Command Obfuscation

1
T1027.010

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

4
T1082

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Clipboard Data

1
T1115

Data from Local System

2
T1005

Command and Control

Exfiltration

Impact

Tasks