Mapstosteal
Overview
Executive Summary
MapsToSteal is a highly specialized Trojan and infostealer explicitly designed for rapid data exfiltration. Unlike broad-spectrum stealers that grab passwords and cookies, MapsToSteal targets specific, highly valuable internal corporate data structures, such as proprietary databases, network topology maps, source code repositories, or specific intellectual property files identified by the threat actors during a targeted espionage campaign.Infection Vector and Technical Capabilities
MapsToSteal is typically deployed manually by Advanced Persistent Threat (APT) actors or highly skilled criminal syndicates *after* they have already achieved deep penetration into a corporate network, often utilizing compromised credentials or lateral movement tools like Cobalt Strike. Once deployed, it focuses entirely on precision exfiltration:- Targeted Harvesting: The malware is often custom-configured with specific file paths, database connection strings, or regular expressions to locate high-value assets (e.g., searching for `.sln` files, `web.config` files containing credentials, or CAD diagrams).
- Data Staging and Compression: To avoid triggering network Data Loss Prevention (DLP) alerts with massive, sudden transfers, the stealer quietly aggregates the stolen data into hidden staging directories and heavily compresses/encrypts it (often using custom algorithms or password-protected archives like 7zip or RAR).
- Covert Exfiltration: The staged data is then slowly exfiltrated out of the network. MapsToSteal often abuses legitimate cloud services (e.g., Dropbox, Mega, Google Drive APIs) or uses standard, encrypted protocols (HTTPS/TLS) to blend the exfiltration traffic with normal corporate web usage.
Threat Assessment
The detection of MapsToSteal is a catastrophic incident indicating that the final stage of a targeted data breach is actively occurring. The organization is facing an imminent loss of its most sensitive intellectual property or strategic data.Incident Response and Remediation
- Halt Exfiltration Immediately (Network Segmentation): The absolute highest priority is to stop the data loss. Instantly sever the internet connection of the infected host and any staging servers identified. Implement strict egress filtering on the corporate firewall to block connections to known cloud storage providers or unauthorized IP addresses.
- Forensic Analysis of Staging Directories: Locate the hidden staging directories used by the malware to determine exactly what data was targeted and packaged for exfiltration. This is critical for regulatory breach notification and damage assessment.
- Enterprise-Wide Eradication: The presence of a specialized exfiltration tool means the attacker has deep access. A coordinated, enterprise-wide incident response effort is required to identify all compromised accounts, establish a new security perimeter, and completely rebuild all affected systems from bare metal.
Known aliases
Threat reports may refer to this family under multiple names:
MITRE ATT&CK Techniques
This family has been observed using the following ATT&CK techniques: T1005 T1074 T1048.003 T1567
Generated Detections (Boilerplate)
These YARA and Sigma rules are auto-generated based on the family name and aliases. They must be heavily tuned before deployment in a production environment.
YARA Rule
rule MALWARE_WIN_MAPSTOSTEAL {
meta:
description = "Detects Mapstosteal (trojan)"
author = "SystemHelpdesk Boilerplate Generator"
date = "2026-07-06"
strings:
$s1 = "mapstosteal" ascii wide nocase
$s2 = "trojan.mapstosteal" ascii wide nocase
$s3 = "spyware.dataexfil" ascii wide nocase
$s4 = "infostealer.targeted" ascii wide nocase
condition:
uint16(0) == 0x5a4d and any of them
}Sigma Rule
title: Suspicious Mapstosteal Activity
id: bd4b63c2972d24675a4ef2c90410c623
status: experimental
description: Detects generic indicators of the mapstosteal malware family.
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith:
- '\cmd.exe'
- '\powershell.exe'
CommandLine|contains:
- "*mapstosteal*"
- "*trojan.mapstosteal*"
- "*spyware.dataexfil*"
- "*infostealer.targeted*"
condition: selection
level: mediumReferences & External Analysis
- Search "mapstosteal" on VirusTotal (External Analysis)
Frequently Asked Questions
How do I remove the Mapstosteal Trojan from Windows?
Manual removal of Mapstosteal is highly discouraged as it may leave persistence mechanisms intact. We recommend disconnecting the device from the internet and utilizing a professional incident response service or enterprise-grade EDR software to conduct a full forensic sweep.
Is Mapstosteal a virus or a Trojan?
Mapstosteal is classified as a Trojan. Unlike traditional viruses that infect files, modern malware like Mapstosteal typically operates as a standalone payload designed to compromise systems, steal data, or deploy secondary stage implants.
What are the main symptoms of a Mapstosteal infection?
Symptoms of Mapstosteal can include unexpected system slowness, unauthorized outbound network traffic to unknown IP addresses, disabled security software, and suspicious background processes running from AppData or Temp directories.
Related Families (Category: trojan)
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Protect Your Network Against Trojans
Want to prevent Mapstosteal and similar threats from compromising your organization? Read our comprehensive defensive guide: Banking Trojan Protection.
Machine-readable
Get this profile as JSON: https://jordan123234-malware-families-explorer.static.hf.space/api/mapstosteal.json
Ecosystem & Interactive Environments
This profile is part of the Malware Families Catalog, a public dataset of 2,899 malware families. The catalog is also published across our ecosystem: Hugging Face, Kaggle, Zenodo, Replit, StackBlitz, CodeSandbox, and CodePen.