Operator dossier

majinahanashi is a ransomware operator currently active on public leak sites. Darkfield has indexed 22 public victims claimed by this operator between August 12, 2026 and September 1, 2026. Majinahanashi is an emerging ransomware group first observed in August 2026 with an apparent financial motivation, having claimed at least 12 victims across multiple continents in a relatively short operational window. At the time of this profile, no authoritative public attribution has been established by CISA, the FBI, Mandiant, or other reputable security research organizations regarding the group's country of origin, affiliations with known threat actor clusters, or whether it operates under a Ransomware-as-a-Service model or as an independent closed group. Based on available victimology data, the group has demonstrated a geographically diverse targeting pattern spanning Italy, the United States, Portugal, Switzerland, and Colombia, suggesting either a broad opportunistic approach or the use of affiliate infrastructure with varied regional reach. Targeted sectors include manufacturing, retail and e-commerce, healthcare, and technology, alongside victims whose sector classification remains unattributed, a distribution consistent with financially motivated actors prioritizing vulnerable or high-value targets over ideological selection criteria. No specific tools, initial access vectors, encryption methodologies, or extortion tactics have been publicly documented for this group by authoritative sources at this time, and no notable high-profile campaigns, record ransom demands, or law enforcement actions against the group have been publicly reported. Majinahanashi should be considered an active and developing threat given its recent emergence, and organizations in its targeted geographies and sectors are advised to monitor credible threat intelligence channels for updated attribution and technical indicators as reporting matures.

Recent disclosures by majinahanashi

All 22 indexed disclosures. Click any row for the full per-victim dossier.

See every disclosure indexed for majinahanashi →

How we know this. Operator profiles on Darkfield are built from continuous monitoring of every leak site the group is known to operate, cross-correlated with community-curated feeds (RansomLook, ransomware.live, RansomWatch, MISP-galaxy). Status changes from active to dormant when no new disclosure appears for 60 days. Without a disclosure date, activity is unknown. MITRE ATT&CK mappings shown in the interactive section below are sourced from CISA, vendor analysis, and the MITRE community catalog — we attribute each technique back to its source. Aliases reflect operator re-brands and affiliate splits.

Active ransomware operator

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majinahanashi

22 victims indexed · first seen 1 month ago · last activity 14 days ago

Victims indexed

#177 of 399 tracked operators

Active period

Aug 2026 → Sep 2026

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Countries hit

At a glance

Status: active
First seen: 1 month ago
Last activity: 14 days ago
Onion sites: 1 known endpoint

About

Majinahanashi is an emerging ransomware group first observed in August 2026 with an apparent financial motivation, having claimed at least 12 victims across multiple continents in a relatively short operational window. At the time of this profile, no authoritative public attribution has been established by CISA, the FBI, Mandiant, or other reputable security research organizations regarding the group's country of origin, affiliations with known threat actor clusters, or whether it operates under a Ransomware-as-a-Service model or as an independent closed group. Based on available victimology data, the group has demonstrated a geographically diverse targeting pattern spanning Italy, the United States, Portugal, Switzerland, and Colombia, suggesting either a broad opportunistic approach or the use of affiliate infrastructure with varied regional reach. Targeted sectors include manufacturing, retail and e-commerce, healthcare, and technology, alongside victims whose sector classification remains unattributed, a distribution consistent with financially motivated actors prioritizing vulnerable or high-value targets over ideological selection criteria. No specific tools, initial access vectors, encryption methodologies, or extortion tactics have been publicly documented for this group by authoritative sources at this time, and no notable high-profile campaigns, record ransom demands, or law enforcement actions against the group have been publicly reported. Majinahanashi should be considered an active and developing threat given its recent emergence, and organizations in its targeted geographies and sectors are advised to monitor credible threat intelligence channels for updated attribution and technical indicators as reporting matures.

Recent victims

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Onion infrastructure

1 known

http://lthicpjqc7gkn5eq3epxndc2uig3yngvcbdya4u3m3byjod5km4yuwqd.onion

Source

Updated 14 days ago

Data on this page is sourced from the group's own leak posts, cross-checked with public ransomware trackers (RansomLook, ransomware.live, RansomWatch), MITRE ATT&CK, and our own Tor and Telegram crawlers. This is a public observatory page — share freely.

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