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MalwareRansomwareUsed by 2 actors

ThrottleBlood

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Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.

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THREAT ACTORS

Groups observed using it

2 distinct threat actors attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.

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The Gentlemen

The group also incorporates third-party or leaked tools named HexKiller, ThrottleBlood and HavocKiller.

via bank info securitybankinfosecurity.com
Gentlemen

ThrottleBlood appeared in MedusaLocker and DragonForce intrusions, and Trend Micro connected it to Gentlemen in September 2025.

via help net securityhelpnetsecurity.com
MITRE ATT&CK

Techniques & procedures

5 distinct techniques documented for this family, organized by ATT&CK tactic.

Stealth

3 techniques
T1027.002Software PackingEvidence1

Many samples also receive commercial packing through Enigma or Themida, recorded in a filename suffix.

T1036MasqueradingEvidence2

These tools are standardized through a shared defense-evasion layer, impersonating predominantly security vendors using fake version information... The overarching defense-evasion strategy includes ... spoofing trusted vendors' identities

T1070.004File DeletionEvidence1

The core of the suite is GentleKiller... each one impersonating a different legitimate product and abusing a different vulnerable or malicious kernel driver. ... The general target set spans more than 400 process names linked to 48 security products.

Defense Impairment

1 technique
T1553.002Code SigningEvidence1

These tools are standardized through a shared defense-evasion layer ... and copied through legitimate certificates and icons

Other

1 technique
T1562Impair DefensesEvidence2

The Gentlemen Ransomware Gang Standardizes EDR Killing ... researchers who found that the extortionists have turned EDR killing into a tactical advantage.

ACTIVITY FEED

Recent activity

2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

2 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets match these IOCs, which detections are missing, which campaigns to expect next, and what to do in the next 30 minutes.
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IOC matching

Match every observed IP, domain, and hash against your live telemetry.

Threat actor attribution2

Named campaigns wielding this family, with evidence pinned to each claim.

Exploited vulnerabilities

CVEs this family uses for access and lateral movement.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

MITRE ATT&CK mapping5

Every documented technique, ranked by evidence weight.

Researcher chatter

Reddit, Mastodon, and CTI community discussion around this family.