← Actors

Callisto

Intel Library

Callisto

G1033RU1 report from 1 vendor· last reported 2026-09-29

The Callisto Group is an advanced threat actor whose known targets include military personnel, government officials, think tanks, and journalists in Europe and the South Caucasus. Their primary interest appears to be gathering intelligence related to foreign and security policy in the Eastern Europe and South Caucasus regions.

Vendor aliases (12)

The same group is tracked under different names by different vendors.

VendorName
OSINTCOLDRIVER
OSINTSEABORGIUM
OSINTTA446
OSINTGOSSAMER BEAR
OSINTBlueCharlie
OSINTStar Blizzard
OSINTTAG-53
OSINTIRON FRONTIER
OSINTUNC4057
OSINTBlue Callisto
OSINTCOLD RELIC
OSINTCallisto Group

Targeting

Sectors: Government Administration, Military, Think Tanks, Journalist

MITRE ATT&CK techniques (25)

Indicators of compromise

domainUkr.net
domainHKEY_CURRENT_USER\Software\Classes\.mollis
ipv4103.245.231.248
ipv42.57.241.246
ipv489.125.209.168
ipv4103.245.231.79
ipv445.84.59.66
ipv4103.160.59.97
domaingliderrompercycl.com
domainmuvb.net
domaindivekickspolic.org
domainstuseamandesilt.org
domainguach.net
domainbyveo.org
domainsecure-dns-hub.com
domaincyrna.top
hash9707a8694e954e9ee13e839d6e5905ce626c0837c7c90da6d1025bfbe152866b
hash1f2096ff906915fbf80778f0636446206197351f7e271af97936eeb6f32c179d
hash699e92a9e0edf7835879d5697bc67138c0b137117f459caf1a44df357407cad9
hash24b6e36a09eb2acfc2a95478ca685acb7593b1689be6a4a639fe0d222393cfa7
hashdd98dbc1a55afe6fd0ed2ed53a79c76f6bde15081a0060422185b74eb1799ee4
domainhttps://www.cisa.gov/news-events/cybersecurity-advisories/aa23-341a
domainhttps://www.zscaler.com/blogs/security-research/coldriver-updates-arsenal-baitswitch-and-simplefix
domainhttps://dslua.org/publications/spearphishing-via-fake-urc-2026-invitations-targets-ukrainian-csos/
domainhttps://cloud.google.com/blog/topics/threat-intelligence/new-malware-russia-coldriver
domainhttps://x.com/threatinsight/status/2037560142880006266

Top 26 by how many reports mention them.

Report timeline

Every report in the Global Intel Library that names Callisto, newest first. Open any report to see the full analysis with provenance.

  1. Microsoft2026-09-29
    Star Blizzard refines phishing and malware delivery with the RedFlick technique
    T1566.001T1053.005T1071.001T1574.002T1059.001
    original

Threat feed IOCs (0)

Indicators from free threat feeds (abuse.ch ThreatFox, AlienVault OTX) attributed to Callisto. Each row shows why it was linked and where it came from.

No feed indicators linked to this actor yet. Feeds are checked every hour.

Public research & publications (33)

Open-source reports about this actor collected from MISP Galaxy and MITRE ATT&CK.