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APT19 is a China-linked advanced persistent threat actor associated with cyberespionage. It is also known as Codoso, C0d0so0, and Codoso Team, and has been identified under the Deep Panda name. Other associated tracking names include Black Vine, Shell Crew, Sunshop Group, and Checkered Typhoon. Its targeting includes organizations in the United States, Australia, Canada, China, Denmark, India, and Italy. APT19 uses spearphishing emails carrying weaponized Rich Text Format documents and macro-enabled Excel workbooks to deliver initial exploits and payloads. Its delivery methods also include backdoored software, such as serial-number generators. The actor combines custom malware with publicly available tooling, including PowerShell Empire, and uses PowerShell for payload execution and command-and-control communications over HTTP and HTTPS. Documented persistence mechanisms include Windows Registry autostart entries and malware registered as Windows services. Commands and payloads are concealed with Base64 encoding, while an HTTP malware variant decrypts strings using single-byte XOR. Activity identified as Deep Panda includes deploying web shells on publicly accessible servers, discovering remote systems with ping, and enumerating running processes with the Windows Tasklist utility. In 2014, Deep Panda used the multistage MadHatter .NET implant, whose PowerShell-initiated loading chain used Assembly.Load to maintain memory-resident payloads.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
Attributed origin per open-source reporting.
32 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
20 malware families attributed to this actor across reporting.
15 additional families tracked in Mallory.
7 CVEs this actor has used in observed campaigns. 7 of them exploited in the wild.
A Chinese advanced persistent threat tracked as Deep Panda has been observed exploiting the Log4Shell vulnerability in VMware Horizon servers to deploy a backdoor and a novel rootkit on infected machines with the goal of stealing sensitive data. The latest set of attacks documented by Fortinet shows that the infection procedure involved the exploitation of the Log4j remote code execution flaw (aka Log4Shell) in vulnerable VMware Horizon servers.
This detection identifies instances where Windows Explorer.exe spawns PowerShell or cmd.exe processes, particularly focusing on executions initiated by LNK files. This behavior is associated with the ZDI-CAN-25373 Windows shortcut zero-day vulnerability, where specially crafted LNK files are used to trigger malicious code execution through cmd.exe or powershell.exe. This technique has been actively exploited by multiple APT groups in targeted attacks through both HTTP and SMB delivery methods.
FireEye recently identified another targeted attack campaign that leveraged both the recently announced Internet Explorer zero-day, CVE-2013-1347, as well as recently patched Java exploits CVE-2013-2423 and CVE-2013-1493. ... If a visitor to one of these compromised website was running Internet Explorer 8.0 the malicious javascript would redirect them to a page at www[.]sunshop[.]com[.]tw hosting a CVE-2013-1347 exploit. ... The Internet Explorer (CVE-2013-1347) exploit code pulled down a “9002” RAT from another compromised site at hk[.]sz181[.]com.
The second jar file had a MD5 of 3fbb7321d8610c6e2d990bb25ce34bec and exploited CVE-2013-1493. ... The jar that exploited CVE-2013-1493 dropped a 9002 RAT with a MD5 of 42bd5e7e8f74c15873ff0f4a9ce974cd. ... The exploit site at sunshop[.]com[.]tw previously hosted a different malicious jar file on April 2, 2013. This jar file had a MD5 of 51aff823274e9d12b1a9a4bbbaf8ce00. It exploited CVE-2013-1493 and dropped a Poison Ivy RAT.
The java exploits were packaged as two different jar files. One jar file had a MD5 of f4bee1e845137531f18c226d118e06d7 and exploited CVE-2013-2423. The jar that exploited CVE-2013-2423 dropped a 9002 RAT with a MD5 of d99ed31af1e0ad6fb5bf0f116063e91f. This RAT connected to a command and control server at asp[.]homesvr[.]linkpc[.]net.
2 more CVEs tied to this actor tracked in Mallory.
211 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Listed in the detection annotation metadata.
APT19 is listed in the detection's threat-actor annotations.
Listed in the detection's APT annotations.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.