Researchers warn that BlackFile, an extortion group likely associated with The Com, continues to impersonate IT support in voice-phishing and social engineering attacks that have impacted organizations in multiple industries, including healthcare, technology, transportation, logistics, wholesale and retail.
Attackers have been actively targeting organizations in the retail and hospitality industry since February, according to Unit 42’s latest intelligence on the campaign, which the Retail & Hospitality Information Sharing and Analysis Center (RH-ISAC) released alongside indicators of compromise Thursday.
The threat group, which is also tracked as CL-CRI-1116, UNC6671 and Cordial Spider, appears to be targeting victims opportunistically in a campaign that remains active and ongoing, Matt Brady, senior principal researcher at Palo Alto Networks’ Unit 42, told CyberScoop.
“The core objective of these threat actors is to pressure targeted organizations into paying large ransom demands, typically in the seven-figure range,” Brady said.
Unit 42 declined to say how many organizations have been impacted thus far, and RH-ISAC did not respond to a request for comment.
BlackFile’s attacks against companies in the retail and hospitality sector are part of a broader wave of voice-phishing attacks initiated by multiple cybercrime groups, which Google Threat Intelligence Group and Okta warned about in January.
Unit 42 also noted that BlackFile’s activities overlap with an ongoing data theft and extortion campaign CrowdStrike has been tracking as Cordial Spider since at least October 2025.
Yet, the threat group’s tactics have been far from cordial. RH-ISAC said some attackers have swatted company personnel, including executives, to increase leverage and pressure victims to pay their ransom demands.
The threat group lures victims via voice-phishing attacks and phishing pages mimicking corporate single-sign on services to steal credentials before moving into privileged accounts.
“They scrape internal employee directories to obtain contact lists for executives,” RH-ISAC wrote in a blog post. “By compromising these senior accounts via further social engineering, they gain persistent, broad-spectrum access to the environment that mirrors legitimate executive session activity.”
The group’s unauthorized access and data theft for extortion activity spans SaaS environments, Microsoft Graph API permissions, Salesforce API access, internal repositories, SharePoint sites and datasets containing employee’s phone numbers and business records.
BlackFile also created a data-leak site to extort victims that it claims ignored or failed to agree to its demands, according to researchers.
Brady said Unit 42 has observed relatively consistent activity from the threat group since February.
RH-ISAC advises organizations to manage multi-factor identity verification for callers and limit the IT support actions that can be completed in a single call without escalation to management.
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