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Darkfield

Operator dossier

Suncrypt (also tracked as Sun) is a ransomware operator no longer publishing new disclosures. Darkfield has indexed 32 public victims claimed by this operator between August 24, 2020 and June 18, 2022. SunCrypt is a financially motivated ransomware group that emerged in August 2020, operating as a relatively smaller but persistent threat actor in the cybercriminal landscape. The group's country of origin remains unclear, though they appear to operate independently rather than as a Ransomware-as-a-Service model, with limited documented connections to other established ransomware families. SunCrypt typically gains initial access through common vectors such as phishing emails and exploitation of remote desktop protocol vulnerabilities, and they employ double extortion tactics by exfiltrating sensitive data before deploying their encryption payload, threatening to publish stolen information if ransom demands are not met. The group has demonstrated a particular focus on targeting critical infrastructure sectors, having compromised at least 32 known victims primarily across the United States and United Kingdom, with healthcare organizations, educational institutions, manufacturing companies, and technology firms representing their preferred targets. While SunCrypt has not achieved the notoriety of major ransomware operations like Conti or REvil, they have maintained consistent activity since their emergence, though their current operational status appears to have diminished significantly with reduced observed activity in recent reporting periods.

Most-targeted sectors

Most-affected countries

Recent disclosures by Suncrypt

All 32 indexed disclosures. Click any row for the full per-victim dossier.

See every disclosure indexed for Suncrypt →

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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Suncrypt

aka Sun · 32 victims indexed · first seen 6 years ago · last activity 4 years ago

32
Victims indexed
#139 of 364 tracked operators
1y 10m
Active period
Aug 2020 → Jun 2022
2
Countries hit
top United States · 6

At a glance

Status
inactive
Aliases
Sun
First seen
6 years ago
Last activity
4 years ago
Onion sites
3 known endpoints
Primary sector
Healthcare · 3 hits

About

SunCrypt is a financially motivated ransomware group that emerged in August 2020, operating as a relatively smaller but persistent threat actor in the cybercriminal landscape. The group's country of origin remains unclear, though they appear to operate independently rather than as a Ransomware-as-a-Service model, with limited documented connections to other established ransomware families. SunCrypt typically gains initial access through common vectors such as phishing emails and exploitation of remote desktop protocol vulnerabilities, and they employ double extortion tactics by exfiltrating sensitive data before deploying their encryption payload, threatening to publish stolen information if ransom demands are not met. The group has demonstrated a particular focus on targeting critical infrastructure sectors, having compromised at least 32 known victims primarily across the United States and United Kingdom, with healthcare organizations, educational institutions, manufacturing companies, and technology firms representing their preferred targets. While SunCrypt has not achieved the notoriety of major ransomware operations like Conti or REvil, they have maintained consistent activity since their emergence, though their current operational status appears to have diminished significantly with reduced observed activity in recent reporting periods.

References

27 links

External sources curated by the MISP threat-intel community.

Timeline

9 months
2020-08-01T00:00:00+00:00 · 12020-09-01T00:00:00+00:00 · 12021-09-01T00:00:00+00:00 · 102021-11-01T00:00:00+00:00 · 42021-12-01T00:00:00+00:00 · 12022-02-01T00:00:00+00:00 · 62022-03-01T00:00:00+00:00 · 32022-04-01T00:00:00+00:00 · 42022-06-01T00:00:00+00:00 · 2
2020-08-01T00:00:00+00:002022-06-01T00:00:00+00:00

Top countries

🇺🇸 United States
6
🇬🇧 United Kingdom
1
United States dossier →United Kingdom dossier →

Top sectors

Healthcare
3
Education
2
Manufacturing
1
Healthcare and Public Health
1
Technology
1
Education Facilities
1
Healthcare dossier →Education dossier →Manufacturing dossier →Healthcare and Public Health dossier →

MITRE ATT&CK

12 techniques · 9 tactics

Tactics

Initial AccessExecutionPrivilege EscalationDefense EvasionDiscoveryLateral MovementCollectionExfiltrationImpact

Techniques

  • T1566Phishing
  • T1190Exploit Public-Facing Application
  • T1059Command and Scripting Interpreter
  • T1055Process Injection
  • T1548Abuse Elevation Control Mechanism
  • T1562Impair Defenses
  • T1083File and Directory Discovery
  • T1135Network Share Discovery
  • T1021Remote Services
  • T1005Data from Local System
  • T1041Exfiltration Over C2 Channel
  • T1486Data Encrypted for Impact

Recent victims

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Onion infrastructure

3 known
  • http://nbzzb6sa6xuura2z.onion
  • http://x2miyuiwpib2imjr5ykyjngdu7v6vprkkhjltrk4qafymtawey4qzwid.onion
  • http://x2miyuiwpib2imjr5ykyjngdu7v6vprkkhjltrk4qafymtawey4qzwid.onion/

Source

Updated 4 years 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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