Overview

overview

10

Static

static

10

Built.exe

windows10-ltsc 2021-x64

10

Built.exe

windows11-21h2-x64

8

Sharing

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General

  • Target

    Built.exe

  • Size

    7.4MB

  • Sample

    250209-j8bens1lay

  • MD5

    e1beee9ca0a43fefde4abea552934f71

  • SHA1

    b23a5f1b60e4cf95591f30f64c79b6fed7a34225

  • SHA256

    643aa1ad700892681a686f74c2c5f1c2170c499bb4f97ced4b6fca76e88c532d

  • SHA512

    52fa47f0e99916a715811e00f6a6a82c39ee637b60cc3ab67b54c54b557086fd83e6d4101ecd53c3a5aef8ddbaf9617bb5b7c763b1c01277365c196d90d42943

  • SSDEEP

    196608:QWA0cDSJN1Ljv+bhqNVoBKUh8mz4Iv9PPv1DVWhm:fiSJLL+9qz8/b4IRv3Whm

Score
10/10
blankgrabbercollectioncredential_accessdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealerupx

Malware Config

Targets

    • Target

      Built.exe

    • Size

      7.4MB

    • MD5

      e1beee9ca0a43fefde4abea552934f71

    • SHA1

      b23a5f1b60e4cf95591f30f64c79b6fed7a34225

    • SHA256

      643aa1ad700892681a686f74c2c5f1c2170c499bb4f97ced4b6fca76e88c532d

    • SHA512

      52fa47f0e99916a715811e00f6a6a82c39ee637b60cc3ab67b54c54b557086fd83e6d4101ecd53c3a5aef8ddbaf9617bb5b7c763b1c01277365c196d90d42943

    • SSDEEP

      196608:QWA0cDSJN1Ljv+bhqNVoBKUh8mz4Iv9PPv1DVWhm:fiSJLL+9qz8/b4IRv3Whm

    Score
    10/10
    collectioncredential_accessdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealerupx

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

      defense_evasion

    • 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

    • Downloads MZ/PE file

    • 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.

    • Enumerates processes with tasklist

      discovery

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

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

Impair Defenses

1
T1562

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

Process Discovery

1
T1057

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

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