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Malware

LogMeIn Resolve

LogMeIn Resolve is a legitimate remote monitoring and management (RMM) / remote access tool that has been abused by threat actors as an initial-access and persistence mechanism. Reported campaigns distributed LogMeIn Resolve from malicious download pages impersonating legitimate software and brands including Notepad++, 7-zip, Telegram, ChatGPT, and OpenAI. In these cases, installation registered the victim host with LogMeIn infrastructure, enabling attacker remote control; attackers then used it to execute PowerShell commands and install the PatoRAT backdoor. Separate phishing campaigns also used fake party invites to trick users into installing LogMeIn Resolve.

Since at least January 2025, LogMeIn Resolve has also been used by a cybercriminal cluster targeting trucking, freight, and logistics organizations as part of cyber-enabled cargo theft operations. Proofpoint reported the use of LogMeIn Resolve alongside other RMM tools including ScreenConnect, SimpleHelp, PDQ Connect, Fleetdeck, N-able, and Naverisk. Delivery methods included compromised load boards, email thread hijacking, and direct phishing campaigns with malicious URLs leading to .exe or .msi installers. After access was established, attackers used RMM tooling for system reconnaissance, credential harvesting, persistent control, and operational disruption, including blocking dispatchers, deleting bookings, and facilitating shipment hijacking. The activity has been associated with organized crime-linked cargo theft schemes primarily affecting food and beverage shipments.

The content characterizes LogMeIn Resolve abuse as part of a broader trend in which legitimate signed RMM software is used to evade traditional antivirus detection. AhnLab EDR detection noted in the reporting is Execution/EDR.LogMeIn.M12839.

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MITRE ATT&CK

Techniques & procedures

9 distinct techniques documented for this family, organized by ATT&CK tactic.

Initial Access

3 techniques
T1078Valid AccountsEvidence1

Adversaries frequently sign up for a free trial of a legitimate service (like LogMeIn Resolve or Syncro) using a throwaway email.

T1566PhishingEvidence2

Third, they launch direct email campaigns against larger entities... In each case, emails contain malicious links that lead to executable files (.exe or .msi files), which, once clicked, silently install a remote monitoring and management (RMM) tool.

T1566.002Spearphishing LinkEvidence2

Many emails were crafted to resemble Punchbowl event invitations, with subject lines like ‘SPECIAL INVITATION.’ ... The emails contained links to binary files hosted on attacker-controlled distribution sites.

Execution

1 technique
T1204.002Malicious FileEvidence2

Once the user executed the downloaded binary, the attacker gained unattended remote access to the device via the LogMeIn Resolve platform.

Persistence

2 techniques
T1078Valid AccountsEvidence1

Adversaries frequently sign up for a free trial of a legitimate service (like LogMeIn Resolve or Syncro) using a throwaway email.

T1543.003Windows ServiceEvidence1

The installed agent wrote a configuration file to disk with a hard-coded relay domain controlled by the attacker and registered a Windows service using a unique ID tied to that specific configuration.

Privilege Escalation

2 techniques
T1078Valid AccountsEvidence1

Adversaries frequently sign up for a free trial of a legitimate service (like LogMeIn Resolve or Syncro) using a throwaway email.

T1543.003Windows ServiceEvidence1

The installed agent wrote a configuration file to disk with a hard-coded relay domain controlled by the attacker and registered a Windows service using a unique ID tied to that specific configuration.

Stealth

2 techniques
T1036MasqueradingEvidence2

The malicious installer files carried names carefully designed to appear routine, such as Invitation.exe, ContractAgreementToSign.exe, and statmtsPDF10.25.exe.

T1078Valid AccountsEvidence1

Adversaries frequently sign up for a free trial of a legitimate service (like LogMeIn Resolve or Syncro) using a throwaway email.

Lateral Movement

1 technique
T1021Remote ServicesEvidence1

Once a victim executed the downloaded file, the attacker gained unattended remote access through the LogMeIn Resolve platform.

Command and Control

2 techniques
T1105Ingress Tool TransferEvidence2

One of the most striking trends in recent campaigns has been the use of RMM tools as loaders for other RMM tools. Adversaries frequently sign up for a free trial of a legitimate service (like LogMeIn Resolve or Syncro) using a throwaway email. They then use that first tool to push a second, more permanent remote access tool—usually a cracked version of NetSupport Manager or a specially configured ScreenConnect instance.

T1219Remote Access ToolsEvidence6

These distribution sites hosted legitimate LogMeIn Resolve binaries, preconfigured to register the targeted device to an attacker-owned account.

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MITRE ATT&CK mapping9

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