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Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
27 distinct techniques documented for this family, organized by ATT&CK tactic.
clears event logs ... Event log clearing ... USN journal deletion (fsutil usn deletejournal)
Le groupe utilise Mimikatz et Advanced IP Scanner dans ses opérations.
Targeted processes (partial list): Carbon Black, CrowdStrike Falcon, FortiEDR, SentinelOne, Cylance, Microsoft Defender for Endpoint, Qualys, Tanium, Veeam, Backup Exec, Acronis, and many others.
Vérifications géographiques : GetKeyboardLayoutList , GetUserGeoID
Delay execution and language/geo checks (GetKeyboardLayoutList, GetUserGeoID)
Aggressively deletes volume shadow copies, disables recovery/boot options, clears event logs, and disables hibernate/System Restore so the victim cannot easily roll back.
Files are locked and appended the extension .MAJIN; Files are encrypted using AES-256; Files were encrypted where they sat. A unique key per file, wrapped under an offline key that leaves with us when this is over.
Shadow copy deletion (vssadmin delete shadows /all /quiet); Boot configuration changes (bcdedit); System restore disable via WMI; disables hibernate/System Restore so the victim cannot easily roll back.
12 indicators attributed across vendor reports, sandbox runs, and researcher write-ups. Full values are available in Mallory.
IPs, domains, and DNS infrastructure linked to this family.
File hashes (MD5, SHA-1, SHA-256) from samples and reports.
Other indicator types observed in public reporting.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Ransomware written in C/C++ that encrypts files using AES-256 with AES-NI, wraps per-file AES keys with an embedded RSA public key, appends the .MAJIN extension, establishes persistence via a Windows service, deletes backups and recovery artifacts, clears logs, uses direct syscalls and API obfuscation for evasion, and manipulates Windows Filtering Platform for network control.
Ransomware family that encrypts files in place with per-file AES-256 keys wrapped by an embedded RSA public key, appends the .MAJIN extension, deploys a lock screen and wallpaper, deletes shadow copies and recovery options, clears logs, can run as a Windows service, and includes network-control features likely intended to disrupt EDR/cloud-agent communications.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.