Crypto Stealer

Fletchen

Fletchen

Fletchen is a relatively new stealer focused on cryptojacking;

Known Variants

Known Variants

Fletchen malware adapts to campaign needs, often used for reconnaissance and lateral movement. All its variants share one thing in common: they all use the same DLL named escapi.dll

Fletchen malware adapts to campaign needs, often used for reconnaissance and lateral movement. All its variants share one thing in common: they all use the same DLL named escapi.dll

Mitigation Strategies

Mitigation Strategies

Employ advanced threat detection and monitoring systems to identify reconnaissance activity early. Use network segmentation to restrict movement within compromised environments. Regular patching of vulnerabilities is essential to reduce exposure

Targeted Industries or Sectors

Targeted Industries or Sectors

Targets manufacturing and healthcare sectors, leveraging weak network defenses to gain access.

Targets manufacturing and healthcare sectors, leveraging weak network defenses to gain access.

Associated Threat Actors

Associated Threat Actors

Frequently linked to financially motivated and espionage-focused cybercriminal groups.

Frequently linked to financially motivated and espionage-focused cybercriminal groups.

References