Ransomware: Deadlock named Greggio Argento (IT)

1. Executive summary

The ransomware group tracked as Deadlock listed Greggio Argento, an Italian family-owned business founded in 1948 in Sarmeola di Rubano (Padua), on its leak site on 2026-10-06. The listing claims 500GB of exfiltrated data and points to a file named Data_list.txt hosted on temp.sh; Adverse Trace has not accessed that file and cannot verify the volume or contents. Deadlock has no MITRE ATT&CK profile in our reference data, so the attribution to a distinct, tracked actor is unconfirmed and rests on the leak-site self-identification alone. For EMEA financial services clients the direct exposure is limited (Greggio Argento is not a financial entity), but the item is relevant as a supply-chain and third-party signal: any client with a commercial relationship to the victim, or with Italian SME suppliers in the same region, should treat the listing as a trigger for third-party risk review rather than as a technical incident on their own estate.

2. Regulatory framing

No DORA Art. 17/18/19 or NIS2 Art. 23 reporting obligation is engaged by this item on its own: those articles attach to an incident affecting the client's own ICT systems or services, and nothing in the source indicates that has occurred. The two rows above are included only because the item is a third-party event, not because a generic "incident occurred" test is met.

3. Technical analysis & attack chain

The source material is a leak-site listing. It contains no technical detail on initial access, exploited component, malware capability, persistence, or command-and-control. The following is the full extent of what is confirmed.

1. Deadlock published a victim entry for Greggio Argento on its leak site, dated 2026-10-06.
2. The entry names the victim country as IT and the website as greggio.com.
3. The entry claims 500GB of data and links to a file named Data_list.txt on temp.sh (URL: https://temp.sh/PoaaZ/Data_list.txt).

That is the complete confirmed chain. There is no evidence in the source of the intrusion vector, the malware family used, whether data was actually exfiltrated, or whether the victim has confirmed the incident.

Unconfirmed and single-sourced claims. Everything above rests on a single source, the ransomware.live index of the Deadlock leak site. The 500GB figure and the Data_list.txt link are the operator's own claims, not verified by the victim or by any independent party. The attribution to "Deadlock" as a distinct actor is unconfirmed: our reference data holds no MITRE ATT&CK profile for that name, so we cannot map the group to known TTPs, and we cannot rule out that the name is a rebrand or a front for another operation. Treat the group name as a label on the leak site, not as a verified actor identity.

What is not in the source. No CVE, no affected product or version, no file paths, no registry keys, no command lines, no C2 infrastructure, no ransom note text, no negotiation details, and no statement from Greggio Argento. Any advisory that supplies those for this item would be inventing them.

4. Mitigation & containment

Because the item is a third-party listing with no technical artefacts, the actions below are about supplier exposure and verification, not host containment.

P1 (within 24h)

• Determine whether your organisation has a live contract, data-sharing arrangement, or ICT service dependency with Greggio Argento or its group. If yes, open a third-party risk case and notify your supplier relationship owner.
• Do not access the temp.sh link or download Data_list.txt. It is operator-controlled infrastructure and may host tracking or malicious content. Block temp.sh at the web proxy and DNS layer if it is not otherwise required for business.
• If you have any integration with greggio.com (email, SSO, API, file exchange), review authentication and access logs for that integration for the last 30 days for anomalous access from unfamiliar source IPs or service accounts.

P2 (within 72h)

• Request a written status from the supplier: whether the incident is confirmed, what data categories are affected, and whether any of your data is in scope. Record the response (or the non-response) in the third-party register.
• If the supplier cannot confirm or deny within 72h, treat the relationship as degraded and identify a fallback for any service it provides.

P3 (within 7 days)

• Review your supplier onboarding criteria to confirm that ransomware exposure is an explicit risk factor in periodic supplier reassessment, and that contracts with Italian SME suppliers include a breach-notification clause.
• Where the supplier relationship is material, add it to the next DORA Art. 28/29 third-party concentration review cycle.

There is no patch, version pin, or configuration change to apply: the source names no vulnerable product.

5. Indicators of compromise

No atomic indicators of compromise are available in the source material. The only network artefact is the operator-hosted data listing URL, which is not a defensible indicator (it is a leak-site resource, not attacker infrastructure you would block on the basis of this item alone). It is recorded below for completeness only.

url  hxxps://temp[.]sh/PoaaZ/Data_list[.]txt

Behavioural indicators. None are described in the source. The listing gives no authentication pattern, device registration, process activity, or network behaviour to observe. If your organisation has an integration with greggio.com, the only observable behaviour available to you is anomalous access to that integration, which you would baseline and monitor yourself; the source provides no threshold or signature.

6. Detection

Insufficient indicators to author detection rules. The source contains no distinctive strings, command-line flags, mutex names, scheduled-task or service names, file paths, registry keys, ransom-note text, or hard-coded values. The only strings present are the victim name, the group name, and a leak-site URL, none of which are artefacts of the threat itself.

7. Sources

• ransomware.live, "Victim: Greggio Argento – Deadlock", https://www.ransomware.live/id/R3JlZ2dpbyBBcmdlbnRvQERlYWRsb2Nr, published 2026-10-06.
• ransomware.live, "Ransomware: Deadlock named Greggio Argento (IT)", https://www.ransomware.live/id/R3JlZ2dpbyBBcmdlbnRvQERlYWRsb2Nr, published 2026-10-06 (same index entry; DNS records section present but no records reproduced in the supplied extract).

Both sources are the same underlying leak-site index. There is no independent corroboration of the listing, the 500GB claim, or the actor identity.

8. Adverse Trace position

Adverse Trace assesses this item as low direct severity for EMEA financial services clients and moderate as a third-party risk signal. The listing is single-sourced to a leak-site index, the 500GB claim is unverified, and the actor "Deadlock" has no MITRE ATT&CK profile in our reference data, so we treat the attribution as unconfirmed and will not map it to known TTPs. We will monitor for a victim statement from Greggio Argento, for any independent reporting that corroborates the exfiltration claim, and for a MITRE profile or vendor reporting that would let us attribute the Deadlock name to a tracked operation. Clients with a live relationship to Greggio Argento should treat the P1 steps in §4 as the immediate action; clients without one should note the item in their third-party risk register and take no further action.

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Published via PulseTrace — Adverse Trace threat intelligence.