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3 malware families

AdverCRow

Also known asAdverCRow
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OPERATIONAL PROFILE

Targeting

Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.

Who they target

Sectors the actor has been observed targeting.

  • Software & Services
MITRE ATT&CK

Tradecraft

2 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.

2 of 15 tactics2 techniques×N= number of intelligence reports citing this technique
MITRE ATT&CK
TA0042
Resource Development
1 technique
T1583
Acquire Infrastructure
TA0011
Command and Control
1 technique
T1105
Ingress Tool Transfer
ARSENAL

Associated malware families

3 malware families attributed to this actor across reporting.

FamilyContextEvidenceLast seen
BlackCatThe KeeLoader used in the attack installed Cobalt Strike, and its watermark, 678358251, was found to be indirectly related to BlackCat and BlackBasta.1Jun 25, 2026
KeeLoaderWithSecure disclosed that it detected a ransomware attack on an IT service provider in Europe, and that a KeeLoader loader with tampered KeePass code was found during the attack.1Jun 25, 2026
NitrogenAdverCRow is a group named by S2W that has been active since at least June 2023, and attempts to gain initial access through malvertising and then gains initial access through the Nitrogen malware.1Jun 25, 2026
IOCS

Observables

1 indicator attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.

1 IOCsView more in app

IOC values are gated. View more in Mallory for domains, IPs, hashes, and other artifacts, or pipe them straight into your SIEM.

ACTIVITY FEED

Recent activity

1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

1 SOURCESView more in app
What this page doesn’t show

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Target overlap

Match sector + geo + tech-stack targeting against your real footprint.

Tradecraft mapping2

Every observed MITRE ATT&CK technique, grouped by tactic.

Malware arsenal3

Families this actor is known to deploy, with IOCs and behavior.

Exploited CVEs

CVEs this actor has used in known campaigns.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Observables1

Domains, IPs, and hashes tied to this actor, refreshed continuously.