Arkei

Arkei is an infostealer written in C++.

Raccoon

Simple but powerful infostealer which was very active in 2019.

SmokeLoader

Modular backdoor trojan in use since 2014.

Suspicious use of NtCreateProcessExOtherParentProcess

Tofsee

Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

Windows security bypass

suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

xmrig

XMRig is a high performance, open source, cross platform CPU/GPU miner.

Arkei Stealer Payload

Identifies VirtualBox via ACPI registry values (likely anti-VM)

XMRig Miner Payload

Blocklisted process makes network request

Creates new service(s)

Downloads MZ/PE file

Executes dropped EXE

Modifies Windows Firewall

Sets service image path in registry

UPX packed file

Detects executables packed with UPX/modified UPX open source packer.