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APT24 Uses BadAudio Malware in Ongoing Espionage Campaign

First seen 20 Nov 2025, 23:19 UTC • Mandiant

+1 •43.2

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ThreatCluster

APT24, a China-linked hacking group, has been utilizing a previously undocumented malware named BadAudio in a three-year espionage campaign. This malware has been delivered through various methods, including spearphishing and supply-chain compromises, affecting over 20 legitimate public websites from November 2022 to at least September 2025.

How this analysis works

Attack Flow

16 entities, 18 inferred relationships (STIX 2.1).

Threat Actor (1)

Apt24

Technique (8)

Malware
Phishing
Supply Chain Attack
T1027 - Obfuscated/Compressed Files and Information
T1041 - Exfiltration Over C2 Channel
T1059.007 - JavaScript
T1059 - Command and Scripting Interpreter
T1071 - Command And Control

Campaign (1)

Badaudio Campaign

Malware (3)

Badaudio
Cobalt Strike
HoldingHands

Affected Platform (1)

Windows

Tool (2)

Google Drive
OneDrive

Relationships

Apt24 uses Badaudio
Apt24 uses Cobalt Strike
Apt24 uses HoldingHands
Apt24 uses Google Drive
Apt24 uses OneDrive
Apt24 uses Malware
Apt24 uses Phishing
Apt24 uses Supply Chain Attack
Apt24 uses T1027 - Obfuscated/Compressed Files and Information
Apt24 uses T1041 - Exfiltration Over C2 Channel
Badaudio Campaign attributed to Apt24
Badaudio Campaign uses Badaudio
Badaudio Campaign uses Cobalt Strike
Badaudio Campaign uses HoldingHands
Apt24 related to T1059.007 - JavaScript
Apt24 related to T1059 - Command and Scripting Interpreter
Apt24 related to T1071 - Command And Control
Apt24 related to Windows

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APT24 Expands Cyberespionage with BadAudio Malware via Supply Chain Attacks Evasive Panda APT Conducts Cyber Espionage Campaign in Asia APT24 Cyberespionage Campaign Utilizes BadAudio Malware Over Three Years Fortinet Zero-Day Exploited in the Wild Amid Ongoing Cyber Threats APT24 Utilizes BadAudio Malware for Cyberespionage

APT24 Uses BadAudio Malware in Ongoing Espionage Campaign

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Attack Flow

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