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Threat Group Cards: A Threat Actor Encyclopedia

Permanent link Tool: X-Agent

NamesX-Agent
Popr-d30
SPLM
CHOPSTICK
fysbis
Backdoor.SofacyX
webhp
CategoryMalware
TypeBackdoor, Keylogger, Info stealer, Tunneling
DescriptionCHOPSTICK is a malware family of modular backdoors used by APT28. It has been used since at least 2012 and is usually dropped on victims as second-stage malware, though it has been used as first-stage malware in several cases. It has both Windows and Linux variants. It is tracked separately from the X-Agent for Android.
Information<https://www.fireeye.com/content/dam/fireeye-www/global/en/current-threats/pdfs/rpt-apt28.pdf>
<http://blog.crysys.hu/2017/01/technical-details-on-the-fancy-bear-android-malware-poprd30-apk/>
<http://blog.crysys.hu/2017/03/update-on-the-fancy-bear-android-malware-poprd30-apk/>
<https://contagiodump.blogspot.de/2017/02/russian-apt-apt28-collection-of-samples.html>
<https://download.bitdefender.com/resources/files/News/CaseStudies/study/143/Bitdefender-Whitepaper-APT-Mac-A4-en-EN-web.pdf>
<http://www.welivesecurity.com/wp-content/uploads/2016/10/eset-sednit-part-2.pdf>
<https://www.welivesecurity.com/2017/12/21/sednit-update-fancy-bear-spent-year/>
<https://www.thecssc.com/wp-content/uploads/2018/10/4OctoberIOC-APT28-malware-advisory.pdf>
<http://www2.fireeye.com/rs/fireye/images/rpt-apt28.pdf>
<https://www.crowdstrike.com/blog/bears-midst-intrusion-democratic-national-committee/>
<http://csecybsec.com/download/zlab/20180713_CSE_APT28_X-Agent_Op-Roman%20Holiday-Report_v6_1.pdf>
MITRE ATT&CK<https://attack.mitre.org/software/S0023/>
<https://attack.mitre.org/software/S0410/>
<https://attack.mitre.org/software/S0161/>
<https://attack.mitre.org/software/S0314/>
Malpedia<https://malpedia.caad.fkie.fraunhofer.de/details/apk.popr-d30>
<https://malpedia.caad.fkie.fraunhofer.de/details/elf.xagent>
<https://malpedia.caad.fkie.fraunhofer.de/details/osx.xagent>
<https://malpedia.caad.fkie.fraunhofer.de/details/win.xagent>
AlienVault OTX<https://otx.alienvault.com/browse/pulses?q=tag:X-Agent>

Last change to this tool card: 14 May 2020

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All groups using tool X-Agent

ChangedNameCountryObserved

APT groups

 Sofacy, APT 28, Fancy Bear, SednitRussia2004-Nov 2020 HOTX

1 group listed (1 APT, 0 other, 0 unknown)

Thailand Computer Emergency Response Team (ThaiCERT)
Electronic Transactions Development Agency

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