Loading threat actor…
TA459 is a China-linked espionage threat actor tracked by Proofpoint that has conducted long-running spearphishing operations primarily against Russia, Belarus, Mongolia, and other Central Asian targets. The group has shown sustained interest in Russian military and telecommunications topics and has also targeted Russian-speaking financial analysts covering the telecom sector. Activity attributed to TA459 has been observed since at least 2013 and includes campaigns active in 2015 and 2017. TA459 commonly gains initial access through spearphishing emails carrying malicious Microsoft Word documents or links to archive-based payloads. Reported delivery chains include exploitation of CVE-2012-0158 and CVE-2017-0199, use of Russian-language lures, and socially engineered decoy content aligned to military or telecom themes. The actor has also used VBScript and PowerShell in execution chains, including staged download-and-execute behavior. Malware and tooling associated with TA459 include PlugX, ZeroT, NetTraveler, Gh0st/PCRat, and earlier activity linked to Saker, Netbot, and DarkStRat. Campaigns have used DLL sideloading to launch payloads, self-extracting archives, steganographic delivery of second-stage malware, DNS-based command and control behavior, and process injection. Reported PlugX configurations supported persistence through Windows service creation and autorun mechanisms. TA459 has also used sandbox-evasion techniques such as delaying payload execution until a decoy document is closed. The actor is assessed as primarily espionage-motivated. Infrastructure and malware overlaps have also been noted between TA459-related activity and broader China-linked intrusion ecosystems, including ShadowPad- and Winnti-associated infrastructure, though TA459 remains tracked as a distinct intrusion set.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
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.
38 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
9 malware families attributed to this actor across reporting.
4 additional families tracked in Mallory.
3 CVEs this actor has used in observed campaigns. 3 of them exploited in the wild.
attackers opportunistically used spear-phishing emails with a Microsoft Word attachment exploiting the recently patched CVE-2017-0199 to deploy the ZeroT Trojan... In this campaign, attackers used a Microsoft Word document called 0721.doc, which exploits CVE-2017-0199. This vulnerability was disclosed and patched days prior to this attack.
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.
The Microsoft Word document attachments observed in this campaign utilized CVE-2012-0158 to exploit the client and implant the PlugX RAT.
89 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 as one of many threat actors associated with the detection's ATT&CK-style annotations for PowerShell and DNS TXT command-and-control behavior; no specific campaign or activity is described in this reference.
Listed as an associated threat actor in detection annotations for Ghostscript exploitation; no specific campaign activity is described in this reference.
Listed as a threat actor associated with PowerShell execution behavior relevant to this detection.
Listed as a threat actor associated with the PowerShell P/Invoke process injection API chain detection and related ATT&CK techniques.
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.