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Darkfield

Operator dossier

d4rk4rmy is a ransomware operator no longer publishing new disclosures. Darkfield has indexed 18 public victims claimed by this operator between July 7, 2025 and August 16, 2025. d4rk4rmy is a recently emerged ransomware group that was first observed in July 2025, operating with apparent financial motivations based on their targeting of high-value sectors including financial services and technology organizations. With only 18 documented victims to date, the group appears to be in its early operational phase, demonstrating a geographically diverse targeting approach across the United States, Taiwan, Brazil, Poland, and Monaco, with particular focus on financially lucrative sectors such as financial services, technology, transportation and logistics, and hospitality and tourism industries. Given the group's recent emergence and limited public documentation from established threat intelligence sources, specific details regarding their country of origin, operational structure, attack methodologies, encryption techniques, and whether they operate as a Ransomware-as-a-Service model remain largely undetermined by major cybersecurity organizations such as CISA, FBI, or prominent security research firms. The group's current operational status appears active based on the recent timeline of their emergence, though comprehensive analysis of their capabilities, notable campaigns, and potential law enforcement actions is limited due to insufficient publicly available intelligence from authoritative sources.

Most-targeted sectors

Most-affected countries

Recent disclosures by d4rk4rmy

All 18 indexed disclosures. Click any row for the full per-victim dossier.

See every disclosure indexed for d4rk4rmy →

How we know this. Operator profiles on Darkfield are built from continuous monitoring of every leak site the group is known to operate, cross-correlated with community-curated feeds (RansomLook, ransomware.live, RansomWatch, MISP-galaxy). Status flips from active to inactive when no new disclosure appears for 60 days. MITRE ATT&CK mappings shown in the interactive section below are sourced from CISA, vendor analysis, and the MITRE community catalog — we attribute each technique back to its source. Aliases reflect operator re-brands and affiliate splits.

Inactive ransomware operator

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d4rk4rmy

18 victims indexed · first seen 1 year ago · last activity 11 months ago

18
Victims indexed
#166 of 364 tracked operators
1m
Active period
Jul 2025 → Aug 2025
10
Countries hit
top US · 4

At a glance

Status
inactive
First seen
1 year ago
Last activity
11 months ago
Onion sites
1 known endpoint
Primary sector
Financial Services · 5 hits

About

d4rk4rmy is a recently emerged ransomware group that was first observed in July 2025, operating with apparent financial motivations based on their targeting of high-value sectors including financial services and technology organizations. With only 18 documented victims to date, the group appears to be in its early operational phase, demonstrating a geographically diverse targeting approach across the United States, Taiwan, Brazil, Poland, and Monaco, with particular focus on financially lucrative sectors such as financial services, technology, transportation and logistics, and hospitality and tourism industries. Given the group's recent emergence and limited public documentation from established threat intelligence sources, specific details regarding their country of origin, operational structure, attack methodologies, encryption techniques, and whether they operate as a Ransomware-as-a-Service model remain largely undetermined by major cybersecurity organizations such as CISA, FBI, or prominent security research firms. The group's current operational status appears active based on the recent timeline of their emergence, though comprehensive analysis of their capabilities, notable campaigns, and potential law enforcement actions is limited due to insufficient publicly available intelligence from authoritative sources.

References

1 link

External sources curated by the MISP threat-intel community.

Timeline

2 months
2025-07-01T00:00:00+00:00 · 72025-08-01T00:00:00+00:00 · 11
2025-07-01T00:00:00+00:002025-08-01T00:00:00+00:00

Top countries

🇺🇸 United States
4
🇹🇼 Taiwan
2
🇧🇷 Brazil
2
🇵🇱 Poland
1
Monaco
1
🇨🇦 Canada
1
🇵🇷 Puerto Rico
1
🇿🇦 South Africa
1
United States dossier →Taiwan dossier →Brazil dossier →Poland dossier →

Top sectors

Financial Services
5
Technology
3
Transportation/Logistics
2
Hospitality and Tourism
2
Business Services
1
Education
1
Financial Services dossier →Technology dossier →Transportation/Logistics dossier →Hospitality and Tourism dossier →

MITRE ATT&CK

5 techniques · 4 tactics

Tactics

Initial AccessExecutionDefense EvasionImpact

Techniques

  • T1566Phishing
  • T1190Exploit Public-Facing Application
  • T1204User Execution
  • T1027Obfuscated Files or Information
  • T1486Data Encrypted for Impact

Recent victims

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Onion infrastructure

1 known
  • http://d4rkd2fybtclo44hss2dpqpw7gmofboxhruax2az3uejw7puxxbpkvqd.onion

Source

Updated 11 months ago

Data on this page is sourced from the group's own leak posts, cross-checked with public ransomware trackers (RansomLook, ransomware.live, RansomWatch), MITRE ATT&CK, and our own Tor and Telegram crawlers. This is a public observatory page — share freely.

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