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Black Basta, also written BlackBasta, is a financially motivated, Russian-speaking ransomware-as-a-service operation first observed in April 2022. Its operators provide ransomware, payment and negotiation infrastructure, and technical support to affiliates. Some members previously worked with Conti. By May 2024, Black Basta had affected more than 500 organizations across North America, Europe, and Australia, spanning 12 of the 16 critical infrastructure sectors. Healthcare organizations are among its established targets. The operation uses double extortion, stealing sensitive information before encrypting systems and threatening to publish the stolen data unless a ransom is paid. Affiliates obtain initial access through spearphishing, purchased network access, and exploitation of known vulnerabilities in public-facing applications, including ConnectWise ScreenConnect vulnerability CVE-2024-1709. Social-engineering campaigns combine email flooding with telephone or Microsoft Teams impersonation of internal IT support, persuading employees to grant access through Quick Assist, AnyDesk, TeamViewer, or other legitimate remote-management tools. Black Basta-associated intrusions have used QakBot to deploy Brute Ratel and Cobalt Strike, followed by network and Active Directory reconnaissance, process injection, credential theft, and lateral movement. Tools used across its operations include Mimikatz, SharpHound, SoftPerfect Network Scanner, PsExec, PowerShell, and remote-management software. Persistence mechanisms include scheduled tasks and additional remote-access installations. Black Basta operators exfiltrate data using Rclone and WinSCP, disable or tamper with endpoint security products, terminate services, and delete volume shadow copies to inhibit recovery. Custom EDR-evasion tooling deployed in Black Basta attacks has been linked to FIN7, without establishing that the two operations are identical. Its ransomware encrypts local and network-accessible data; documented encryption mechanisms include ChaCha20 with RSA-4096 protection of encryption keys.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
Attributed origin per open-source reporting.
69 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
26 malware families attributed to this actor across reporting.
21 additional families tracked in Mallory.
22 CVEs this actor has used in observed campaigns. 22 of them exploited in the wild.
↑のプロセスを脆弱なNsecSoft NSecKrnlドライバで止める CVE-2025-68947に関連するNsecSoft NSecKrnlドライバでサービス作成を試みて、そのサービスで脆弱性悪用によりカーネルレベルからプロセスキルや検知機能阻害を行う感じ。
The Black Basta report lists CVE-2021-1675 under MITRE CONTEXT → Exploit Vulns.
Beyond the reconnaissance stage, Black Basta attempts local and domain level privilege escalation through a variety of exploits. We have seen the use of ZeroLogon (CVE-2020-1472), NoPac (CVE-2021-42287, CVE-2021-42278) and PrintNightmare (CVE-2021-34527).
Beyond the reconnaissance stage, Black Basta attempts local and domain level privilege escalation through a variety of exploits. We have seen the use of ZeroLogon (CVE-2020-1472), NoPac (CVE-2021-42287, CVE-2021-42278) and PrintNightmare (CVE-2021-34527).
The Black Basta report lists CVE-2023-4966 under MITRE CONTEXT → Exploit Vulns.
17 more CVEs tied to this actor tracked in Mallory.
379 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Cited as an example of ransomware actors purchasing existing access rather than performing the initial intrusion themselves. No specific RAT association is established.
Cited as an example of rapidly weaponizing disclosed vulnerabilities rather than developing zero-days. According to the article's account of leaked internal chats, 54 of the 65 vulnerabilities discussed were already in the Known Exploited Vulnerabilities catalog.
A ransomware group whose affiliates used loaders to gain access to victim networks. The article reports more than 500 affected organizations as of May 2024 and describes a shift toward other loaders, including DarkGate, following QakBot’s 2023 disruption.
Named as a ransomware group whose proceeds flowed through Cryptomus and Heleket. No specific attack, victim, malware deployment, or exploitation method is described.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.