Ransomware group profile · #166 by claimed victims

D4Rk4Rmy ransomware

D4rk4rmy is a ransomware and data extortion group active since at least 2025, targeting financial services, hospitality, technology, and logistics sectors, operating a RaaS model with notable claimed victims including the Monte Carlo casino resort.

Active First seen Jul 2025

18Victims claimed on leak sites

0Victims in the last 30 days

0Victims in the last 90 days

12Countries hit

1Leak-site URLs tracked, 0 online

16 Aug 2025Latest claim recorded

Victimology

Who D4Rk4Rmy claims to have breached, from 18 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Financial Services5

Technology3

Professional Services3

Transportation2

Hospitality2

Manufacturing1

Energy & Utilities1

Education1

Top countries

United States5

Brazil2

Taiwan2

Australia1

Thailand1

Canada1

South Africa1

Japan1

Latest claimed victims 12 most recent

Victim	Sector	Country	Claimed
THE MILLENNIUM GROUP tmgofficeservices.com	Professional Services	US	16 Aug 2025
VINSON & ELKINS LLP velaw.com	Professional Services	US	16 Aug 2025
MMA TRANSFERS mmatransfers.com	Transportation	GB	12 Aug 2025
BRIDGEWATER ASSOCIATES bridgewater.com	Financial Services	US	7 Aug 2025
MAGELLAN FINANCIAL GROUP magellangroup.com.au	Financial Services	AU	7 Aug 2025
ONEX CANADA ASSET MANAGEMENT INC onex.com	Financial Services	CA	7 Aug 2025
TSAI CAPITAL tsaicapital.com	Financial Services	US	7 Aug 2025
MIZUHA FINANCIAL GROUP mizuhogroup.com	Financial Services	JP	7 Aug 2025
CASINO DE MONTE-CARLO montecarlosbm.com	Hospitality	MC	3 Aug 2025
DIMERCO dimerco.com	Transportation	TW	3 Aug 2025
BIG ROCK RESORT bigrockresort.net	Hospitality	US	3 Aug 2025
Digitall Evolution digitallevolution.com.br	Technology	BR	28 Jul 2025

All 18 D4Rk4Rmy victims, searchable

Full victim list with claim posts, domains, timing and exports, plus the negotiation chats and leak-site screenshots VULONE archives for this crew.

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Tactics, techniques and procedures

ATT&CK technique mapping for D4Rk4Rmy is in progress. Victimology, infrastructure status and leak-site tracking are live above.

Indicators, detections and the full playbook

Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.

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Frequently asked

Is D4Rk4Rmy ransomware still active?

D4Rk4Rmy is tracked as active. The most recent leak-site claim VULONE recorded is dated 16 August 2025.

How many victims has D4Rk4Rmy claimed?

VULONE has recorded 18 leak-site victim claims attributed to D4Rk4Rmy since July 2025, across 12 countries and 8 sectors.

Which industries does D4Rk4Rmy target?

The sectors most often named on the D4Rk4Rmy leak site are Financial Services, Technology, Professional Services.

Which countries are most affected by D4Rk4Rmy?

Most D4Rk4Rmy victims recorded by VULONE are located in United States, Brazil, Taiwan.

Where does VULONE get D4Rk4Rmy victim data?

Claims are collected continuously from the group's own leak sites and cross-checked with ransomware.live and RansomLook. A claim is the group's assertion, not a confirmed breach.

Other ransomware groups

Victim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 16 September 2026. Questions or corrections: [email protected].