S0651: BoxCaon
BoxCaon is a Windows backdoor that was used by IndigoZebra in a 2021 spearphishing campaign against Afghan government officials. BoxCaon's name stems from similarities shared with the malware family xCaon.[1]
Malware and tool entries linked to techniques, groups, and campaigns.
Results are validated against normalized ATT&CK source records when available; sample records are used only in development or empty-data environments.
BoxCaon is a Windows backdoor that was used by IndigoZebra in a 2021 spearphishing campaign against Afghan government officials. BoxCaon's name stems from similarities shared with the malware family xCaon.[1]
Brave Prince is a Korean-language implant that was first observed in the wild in December 2017. It contains similar code and behavior to Gold Dragon, and was seen along with Gold Dragon and RunningRAT in operations surrounding the 2018 Pyeongchang Winter Olympics. [1]
Bread was a large-scale billing fraud malware family known for employing many different cloaking and obfuscation techniques in an attempt to continuously evade Google Play Store’s malware detection. 1,700 unique Bread apps were detected and removed from the Google Play Store before being downloaded by users.[1]
Brute Ratel C4 is a commercial red-teaming and adversarial attack simulation tool that first appeared in December 2020. Brute Ratel C4 was specifically designed to avoid detection by endpoint detection and response (EDR) and antivirus (AV) capabilities, and deploys agents called badgers to enable arbitrary command execution for lateral movement, privilege escalation, and persistence. In September 2022, a cracked version of Brute Ratel C4 was leaked in the cybercriminal underground, leading to its use by threat actors.[1][2][3][4][5]
Bumblebee is a custom loader written in C++ that has been used by multiple threat actors, including possible initial access brokers, to download and execute additional payloads since at least March 2022. Bumblebee has been linked to ransomware operations including Conti, Quantum, and Mountlocker and derived its name from the appearance of "bumblebee" in the user-agent.[1][2][3]
BusyGasper is Android spyware that has been in use since May 2016. There have been less than 10 victims, all who appear to be located in Russia, that were all infected via physical access to the device.[1]
CANONSTAGER is a loader known to be leveraged by Mustang Panda and was first observed utilized in 2025. Mustang Panda utilizes DLL side-loading to execute within the victim environment prior to delivering a follow-on malicious encrypted payload. CANONSTAGER leverages Thread Local Storage (TLS) and Native Windows APIs within the victim environment to elude detections. CANONSTAGER also hides its code utilizing window procedures and message queues.[1]
CARROTBALL is an FTP downloader utility that has been in use since at least 2019. CARROTBALL has been used as a downloader to install SYSCON.[1]
CHEMISTGAMES is a modular backdoor that has been deployed by Sandworm Team.[1]
CHIMNEYSWEEP is a backdoor malware that was deployed during HomeLand Justice along with ROADSWEEP ransomware, and has been used to target Farsi and Arabic speakers since at least 2012.[1]
CHOPSTICK 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. [1] [2] [3] [4] It is tracked separately from the X-Agent for Android.
CLAIMLOADER is a malware variant that frequently accompanies legitimate executables that are used for DLL side-loading known to be leveraged by Mustang Panda and was first observed utilized in 2021.[1][2]
COATHANGER is a remote access tool (RAT) targeting FortiGate networking appliances. First used in 2023 in targeted intrusions against military and government entities in the Netherlands along with other victims, COATHANGER was disclosed in early 2024, with a high confidence assessment linking this malware to a state-sponsored entity in the People's Republic of China. COATHANGER is delivered after gaining access to a FortiGate device, with in-the-wild observations linked to exploitation of CVE-2022-42475. The name COATHANGER is based on a unique string in the malware used to encrypt configuration files on disk: “She took his coat and hung it up”.[1]
CSPY Downloader is a tool designed to evade analysis and download additional payloads used by Kimsuky.[1]
CaddyWiper is a destructive data wiper that has been used in attacks against organizations in Ukraine since at least March 2022.[1][2]
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