Contact us Buy Me a Coffee

Sponsored by Hudson Rock Use Hudson Rock's free cybercrime intelligence tools to learn how Infostealer infections are leading to ransomware attacks

Crazyhunter

CrazyHunter is a Go-based ransomware group that emerged in early 2025, derived from the open-source Prince encryptor, exclusively targeting Taiwanese organizations in healthcare, education, and industrial sectors using BYOVD techniques and tools like SharpGPOAbuse for lateral movement.

Victims
10
 
First Discovered
2025-03-09
victim
Last Discovered
2025-03-30
victim
Inactive Since
1yr
more than
Avg Delay
4
days
Infostealer
50.0%
victims with domain
Countries
2
hit
View Victims on World Map View Group Statistics

Known Locations (1)
Favicon Title Type Available Last Visit Server Info FQDN
favicon No 2026-04-28T07:23:20 7i6sfmfvmqfaabjksckwrttu3nsbopl3xev2vbxbkghsivs5lqp4yeqd.onion

Target
Top 5 Activity Sectors
  • Technology 3
  • Healthcare 3
  • Manufacturing 2
  • Consumer Services 1
  • Education 1
Top 5 Countries
  • TW flag Taiwan, Province of China 9
  • US flag United States 1

Heatmap

Tools Used
This information is provided by Ransomware-Tool-Matrix
Discovery RMM Tools Defense Evasion Credential Theft OffSec Networking LOLBAS Exfiltration






Zemana Anti-Rootkit driver

av-1m.exe (AV bypass)

go.exe / go2.exe (BYOVD loader)




Donut

Prince Ransomware

SharpGPOAbuse

bb.exe (shellcode loader)










YARA Rules (1)

Indicators of Compromise (IoCs) (3)
telegram 2 tox 1
Type IOC
telegram https://t.me/CrazyHuntersTeam
telegram https://t.me/Magic13377
tox E8481B6E149862EEEA79668EBBC50B96A6B6529C5DDD905491E2F838EF7D174FB73DB97F1FFD

Victims (10)
Logo
Discovered: 2025-03-30 (1y ago)
Taiwan - Zuni Data…
Logo
Discovered: 2025-03-30 (1y ago)
Taiwan - Analog Integrations Corporation…
Logo
Discovered: 2025-03-30 (1y ago)
Taiwan - Netronix Inc…
Logo
Discovered: 2025-03-24 (1y ago)
Johnson Fitness…
Logo
Discovered: 2025-03-16 (1y ago)
Surface Material Supplier — Keding - the interior surface expert, committed to excellence in every d…
Logo
Discovered: 2025-03-09 (1y ago)  ·  Attack est.: 2025-03-05
Changhua Christian Hospital…
Logo
Discovered: 2025-03-09 (1y ago)  ·  Attack est.: 2025-03-05
Due to confidentiality agreement, no details can be disclosed.…
Logo
Discovered: 2025-03-09 (1y ago)  ·  Attack est.: 2025-03-05
Mackay Hospital…
Logo
Discovered: 2025-03-09 (1y ago)  ·  Attack est.: 2025-03-05
Crazyhunter hacked into Asia University-www.asia.edu.tw from 2025.1.27 to 2025.1.29…
Logo
Discovered: 2025-03-09 (1y ago)  ·  Attack est.: 2025-03-05
Crazyhunter hacked into Asia University-www.asia.edu.tw from 2025.1.27 to 2025.1.29…