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Patchwork is a suspected India-linked cyber-espionage threat actor also known as APT-C-09, Chinastrats, Dropping Elephant, Hangover Group, MONSOON, Operation Hangover, Patchwork APT, Quilted Tiger, and Zinc Emerson. The group has conducted spearphishing campaigns using malicious attachments to obtain initial access. Its toolset and tradecraft include PowerShell and Visual Basic-based scripts, staged payload downloads, reverse-shell execution, DLL side-loading involving BADNEWS, Base64-encoded command-and-control communications, and browser credential theft. Patchwork has established persistence through Startup-folder placement, Registry Run-key modifications, and scheduled tasks. It performs host and account reconnaissance, including collection of computer names, operating-system versions, system architecture, available drives, usernames, and privilege context, and it searches for, collects, and exfiltrates files. The actor has also deleted or replaced files and modified Registry artifacts to impede user awareness or forensic recovery.
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.
51 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
22 malware families attributed to this actor across reporting.
17 additional families tracked in Mallory.
10 CVEs this actor has used in observed campaigns. 10 of them exploited in the wild.
This malicious RTF file takes advantage of the vulnerability CVE-2015-1641. Upon successful exploitation, it drops a malware in the %appdata%\Microsoft directory.
The related attack vector is an XLSM file, created on August 8 and uploaded to VT on August 13, that leverages CVE-2017-11882 vulnerability to release MSBuild.exe to the %AppData% directory and then add registry Run key to stay persistent.
...has exploited client software vulnerabilities for execution, such as Microsoft Word CVE-2012-0158...
Patchwork... previously exploited CVE-2017-8570, CVE-2012-1856...
...exploited Microsoft vulnerabilities, including CVE-2014-4114...
5 more CVEs tied to this actor tracked in Mallory.
1,188 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's APT annotations.
Espionage campaign using fake PDF/LNK lures on Windows and trojanized Android chat apps to surveil targets, steal files and messages, capture screenshots/keystrokes/audio, and maintain persistence across desktop and mobile devices.
Conducting espionage campaigns using malicious Windows shortcut files and trojanized Android chat applications to surveil targets and steal sensitive information from both desktop and mobile environments.
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.