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ShadowByt3$

Also known asShadowByt3$

ShadowByt3$ is an emerging ransomware-as-a-service (RaaS) criminal operation observed in early 2026. Reporting describes it as financially motivated. The group surfaced in connection with a University of Georgia data leak in early April 2026 and was also identified through a dedicated onion-based leak site, mirrored onion infrastructure, Telegram channels, and cybercrime forum activity. A new leak site named ShadowByt3$ was identified in dark web reporting, and the operation was observed alongside other RaaS activity. ShadowByt3$ operates a dedicated extortion platform with multiple victim listings, downloadable data samples, and multiple contact methods including ProtonMail, TOX, and Telegram. Its leak infrastructure exposed cryptocurrency payment options in Bitcoin, Ethereum, and Monero, and researchers identified a secondary onion domain that appeared to function as a fallback or parallel instance. Telegram was used to announce leaks, publish limited data samples, direct users to download links, impose deadlines, threaten sale or redistribution of stolen data, and recruit collaborators with access to corporate environments. A secondary Telegram channel, @ShadowBytsleaks, was identified as part of the operation’s distribution footprint. Reporting linked ShadowByt3$ to the forum identity BlackVortex1. That handle appeared across multiple forums including DarkForums, BreachForums-style profiles, and Cracked.sh, with account creation concentrated between late 2025 and early 2026. A DarkForums thread explicitly connected BlackVortex1 to ShadowByt3$. A Cracked.sh thread tied to that identity advertised the ShadowByt3$ RaaS model as a low-barrier offering: participants with existing corporate access could join without an upfront fee, while others could join by paying USD 250 in cryptocurrency. The offering advertised a 70/30 revenue split in favor of affiliates, and stated that affiliates could rely on the operator for parts of ransom negotiation. The operation has been described as still defining itself but already showing the core components of a functioning ransomware ecosystem, with an emphasis on accessibility, recruitment, and rapid scaling rather than demonstrated technical sophistication. ShadowByt3$ was also mentioned in reporting about an alleged Nintendo breach first observed on June 13, 2026. In that case, the group claimed to have exfiltrated approximately 859 MB of sensitive internal data, reportedly linked to TINYpulse systems rather than necessarily Nintendo’s core infrastructure. However, that breach claim remained unverified at the time of reporting. Known aliases directly reflected in the content include SHADOWBYT3$ and ShadowByt3$.

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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.

  • Consumer Durables & Apparel
MITRE ATT&CK

Tradecraft

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

8 of 15 tactics9 techniques×N= number of intelligence reports citing this technique
MITRE ATT&CK
TA0043
Reconnaissance
1 technique
T1598
Phishing for Information
TA0042
Resource Development
1 technique
T1583
Acquire Infrastructure
TA0001
Initial Access
1 technique
T1133×2
External Remote Services
TA0003
Persistence
1 technique
T1133×2
External Remote Services
TA0009
Collection
1 technique
T1213
Data from Information Repositories
TA0011
Command and Control
1 technique
T1071
Application Layer Protocol
TA0010
Exfiltration
2 techniques
T1041
Exfiltration Over C2 Channel
T1567×2
Exfiltration Over Web Service
TA0040
Impact
1 technique
T1486×2
Data Encrypted for Impact
IOCS

Observables

6 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View 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.

What this page doesn’t show

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Target overlap

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

Tradecraft mapping8

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

Malware arsenal

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.

Observables6

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