Introduction
Mespinoza ransomware is used at least since october 2018. First versions used the common extension “.locked”. SInce december 2019 a new version in open sourced and documented, this new version uses the “.pyza” extension.
Activities and Tactics
Information pending cataloguing.
Notable Campaigns
Information pending cataloguing.
Tactics, Techniques, and Procedures (TTPs)
Information pending cataloguing.
Notable Indicators of Compromise (IOCs)
No curated IOCs are currently published for this actor. This section will be updated when stable, attributable indicators are available.
Malware and Tools
Ransomware Tool Matrix observations
| Category | Observed tools |
|---|---|
| Credential Theft | Mimikatz, ProcDump, SessionGopher |
| Discovery | ADRecon, Advanced IP Scanner, Advanced Port Scanner |
| Exfiltration | FileZilla, WinSCP |
| LOLBAS | PsExec, WMIC |
| OffSec | Chashell, Koadic, PowerShell Empire, PowerSploit |
Attribution and Evidence
Information pending cataloguing.
References
References pending cataloguing.