Overview

overview

10

Static

static

3

Bootstrapper.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Bootstrapper.exe

  • Size

    796KB

  • Sample

    240916-p4habaydmn

  • MD5

    4b94b989b0fe7bec6311153b309dfe81

  • SHA1

    bb50a4bb8a66f0105c5b74f32cd114c672010b22

  • SHA256

    7c4283f5e620b2506bcb273f947def4435d95e143ae3067a783fd3adc873a659

  • SHA512

    fbbe60cf3e5d028d906e7d444b648f7dff8791c333834db8119e0a950532a75fda2e9bd5948f0b210904667923eb7b2c0176140babc497955d227e7d80fb109d

  • SSDEEP

    12288:jHeLH6iTPSE54sgweI9oaQaj3T+piq+77xOZ+eMm:jHeLHdTSEeyoaQaj3apiq+77xd

Score
10/10
exelastealercollectioncredential_accessdefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationspywarestealerupx

Malware Config

Targets

    • Target

      Bootstrapper.exe

    • Size

      796KB

    • MD5

      4b94b989b0fe7bec6311153b309dfe81

    • SHA1

      bb50a4bb8a66f0105c5b74f32cd114c672010b22

    • SHA256

      7c4283f5e620b2506bcb273f947def4435d95e143ae3067a783fd3adc873a659

    • SHA512

      fbbe60cf3e5d028d906e7d444b648f7dff8791c333834db8119e0a950532a75fda2e9bd5948f0b210904667923eb7b2c0176140babc497955d227e7d80fb109d

    • SSDEEP

      12288:jHeLH6iTPSE54sgweI9oaQaj3T+piq+77xOZ+eMm:jHeLHdTSEeyoaQaj3apiq+77xd

    Score
    10/10
    exelastealercollectioncredential_accessdefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationspywarestealerupx

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

      stealerexelastealer

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • Grants admin privileges

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

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      evasion

    • Clipboard Data

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

      collection

    • Deletes itself

    • 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

    • UPX packed file

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

      upx

    • Blocklisted process makes network request

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Network Service Discovery

      Attempt to gather information on host's network.

      discovery

    • Enumerates processes with tasklist

      discovery
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Persistence

Account Manipulation

1
T1098

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

Account Manipulation

1
T1098

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

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

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

Network Service Discovery

1
T1046

Peripheral Device Discovery

1
T1120

Permission Groups Discovery

1
T1069

Local Groups

1
T1069.001

Process Discovery

1
T1057

Query Registry

2
T1012

System Information Discovery

6
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

System Network Connections Discovery

1
T1049

Lateral Movement

Collection

Clipboard Data

1
T1115

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks