Tag: CVE-2023-27532

7 Attack Reports | 0 Vulnerabilities

Attack reports

Unmasking Akira: The ransomware tactics you can't afford to ignore

The Akira ransomware group has been targeting UK businesses since 2023, primarily affecting retail, finance, manufacturing, and medical sectors. Their tactics include exploiting SSL VPNs, using double extortion, and focusing on financial gain. Key observations from 2023-2025 include initial access …

credential theft

data exfiltration

double extortion

backup destruction

Published: September 22, 2025

Downloadable IOCs: 0

From SharePoint Vulnerability Exploit to Enterprise Ransomware

The Warlock ransomware group exploited unpatched Microsoft SharePoint servers to gain initial access and deploy ransomware across enterprise environments. The attack chain involved exploiting vulnerabilities, privilege escalation through Group Policy modification, credential theft using Mimikatz, l…

credential theft

dll sideloading

lateral movement

data exfiltration

Published: August 20, 2025

Downloadable IOCs: 0

Qilin affiliates spear-phish MSP ScreenConnect admin, targeting customers downstream

In January 2025, a Managed Service Provider administrator was targeted by a sophisticated phishing attack impersonating a ScreenConnect authentication alert. The attackers, affiliated with Qilin ransomware and tracked as STAC4365, used an adversary-in-the-middle technique to bypass multi-factor aut…

Published: April 1, 2025

Downloadable IOCs: 0

The Curious Case of an Excellent Resume

This report details a malicious campaign where the threat actor gained initial access through a resume lure as part of a TA4557/FIN6 operation. The actor employed techniques like abusing legitimate binaries, establishing Cobalt Strike and Pyramid C2, exploiting CVE-2023-27532 for lateral movement, …

privilege-escalation

lateral-movement

Published: December 4, 2024

Linked vulnerabilities : CVE-2023-27532

Downloadable IOCs: 20

Akira ransomware continues to evolve

Akira ransomware has established itself as a prominent threat, constantly evolving its tactics. Initially employing double-extortion, it shifted focus to data exfiltration in early 2024. The group developed a Rust variant of their ESXi encryptor, moving away from C++. Recently, Akira has returned t…

vulnerability exploitation

double-extortion

Published: October 22, 2024

Linked vulnerabilities : CVE-2024-37085 (CVSS 6.8), CVE-2024-40766 (CVSS 9.8), CVE-2024-40711 (CVSS 9.8), CVE-2023-27532, CVE-2023-20269, CVE-2020-3259, CVE-2023-48788, CVE-2023-20263

Downloadable IOCs: 37

Akira Ransomware Targets the LATAM Airline Industry

An in-depth analysis examined a threat actor utilizing Akira ransomware to compromise a Latin American airline. The attacker gained initial network access via SSH, exploiting a vulnerability in Veeam backup software, and subsequently exfiltrated critical data before deploying the ransomware payload…

Published: July 16, 2024

Linked vulnerabilities : CVE-2023-27532, CVE-2023-20269, CVE-2020-3259

Downloadable IOCs: 2

Patch or Peril: A Veeam vulnerability incident

While the vulnerability CVE-2023-27532 was made public in March 2023 and subsequently patched by Veeam for versions 12/11a and later for Veeam Backup & Replication software, Group-IB’s Digital Forensics and Incident Response (DFIR) team recently observed a notable incident related to this vulnerabi…

Published: July 12, 2024

Downloadable IOCs: 2

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