MalwareUsed by 1 actor

WINTERLOVE

For your environment

Hunt this family in your stack

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

Start free trial

THREAT ACTORS

Groups observed using it

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

View more details

APT41

APT41 malware TIDYELF loaded the main WINTERLOVE component by injecting it into the iexplore.exe process.

via mitre attack websiteattack.mitre.org

MITRE ATT&CK

Techniques & procedures

1 distinct technique documented for this family, organized by ATT&CK tactic.

Privilege Escalation

1 technique

T1055Process InjectionEvidence4

The content repeatedly describes malware and threat actors injecting shellcode, DLLs, or payloads into legitimate processes such as svchost.exe, explorer.exe, iexplore.exe, cmd.exe, lsass.exe, and browser processes.

Stealth

1 technique

T1055Process InjectionEvidence4

ACTIVITY FEED

Recent activity

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

3 SOURCESView more in app

mitre attack websiteNews

Apr 25, 2023

Process Injection, Technique T1055 - Enterprise | MITRE ATT&CK®

Malware component loaded via process injection into iexplore.exe by TIDYELF.

mitre attack websiteNews

Aug 7, 2017

Process Injection, Technique T1055 - Enterprise | MITRE ATT&CK®

Main malware component loaded via injection into iexplore.exe by TIDYELF.

mitre attackNews

Mar 18, 2026

Process Injection, Technique T1055 - Enterprise | MITRE ATT&CK®

Component loaded via process injection (into iexplore.exe) by TIDYELF in APT41 activity.

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 attribution1

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 mapping1

Every documented technique, ranked by evidence weight.

Researcher chatter

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

Back to malware

MalwareUsed by 1 actor

WINTERLOVE

For your environment

Hunt this family in your stack

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

Start free trial

THREAT ACTORS

Groups observed using it

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

View more details

APT41

APT41 malware TIDYELF loaded the main WINTERLOVE component by injecting it into the iexplore.exe process.

via mitre attack websiteattack.mitre.org

MITRE ATT&CK

Techniques & procedures

1 distinct technique documented for this family, organized by ATT&CK tactic.

Privilege Escalation

1 technique

T1055Process InjectionEvidence4

Stealth

1 technique

T1055Process InjectionEvidence4

ACTIVITY FEED

Recent activity

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

3 SOURCESView more in app

mitre attack websiteNews

Apr 25, 2023

Process Injection, Technique T1055 - Enterprise | MITRE ATT&CK®

Malware component loaded via process injection into iexplore.exe by TIDYELF.

mitre attack websiteNews

Aug 7, 2017

Process Injection, Technique T1055 - Enterprise | MITRE ATT&CK®

Main malware component loaded via injection into iexplore.exe by TIDYELF.

mitre attackNews

Mar 18, 2026

Process Injection, Technique T1055 - Enterprise | MITRE ATT&CK®

Component loaded via process injection (into iexplore.exe) by TIDYELF in APT41 activity.

What this page doesn’t show

The version that knows your environment.

Start free trial

IOC matching

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

Threat actor attribution1

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 mapping1

Every documented technique, ranked by evidence weight.

Researcher chatter

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