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AlienVault OTX Malware

Emotet is a sophisticated and modular malware strain primarily known for its use in large-scale spam campaigns and as a delivery mechanism for other malware families. The provided information details an Emotet campaign characterized by a variety of Tactics, Techniques, and Procedures (TTPs) aligned with the MITRE ATT&CK framework. Key techniques include spearphishing attachments (T1193) as the initial infection vector, leveraging malicious email attachments to compromise victims. Once executed, Emotet employs command-line interfaces (T1059), scheduled tasks (T1053), scripting (T1064), and Windows Management Instrumentation (WMI) (T1047) to maintain persistence and execute payloads. It also uses registry run keys and startup folders (T1060) to ensure execution upon system reboot. Process injection (T1055) is utilized to evade detection and maintain stealth by running malicious code within legitimate processes. Emotet conducts extensive reconnaissance activities such as account discovery (T1087), domain trust discovery (T1482), and system owner/user discovery (T1033) to map the environment and identify valuable targets. For command and control (C2) communication, it uses commonly used ports (T1043), standard application layer protocols (T1071), and standard cryptographic protocols (T1032) to blend in with normal network traffic and evade network defenses. The campaign also references tools like Empire and Cobalt Strike, which are often used post-compromise for lateral movement and privilege escalation. The threat level is medium, reflecting Emotet's widespread impact but also the availability of detection and mitigation strategies. No known exploits in the wild are indicated, but the campaign's persistence and modularity make it a continuing risk. Overall, this Emotet campaign demonstrates a multi-stage attack lifecycle from initial phishing to lateral movement and data exfiltration capabilities, leveraging a broad spectrum of Windows-based techniques to maintain stealth and persistence.

Detailed information about Emotet in Depth TTP 10-07-19. Get real-time updates, technical details, and mitigation strategies.

Emotet in Depth TTP 10-07-19 - Live Threat Intelligence - Threat Radar | OffSeq.com

Emotet in Depth TTP 10-07-19

SectorJ04 Groupâ€™s Increased Activity in 2019

The SectorJ04 threat group, also known as TA505, demonstrated increased activity in 2019 involving a broad range of sophisticated attack techniques primarily targeting Windows environments. This group employs spearphishing methods, including malicious attachments (T1193) and links (T1192), often leveraging trusted relationships (T1199) to gain initial access. Once inside a network, they utilize various execution techniques such as command-line interface (T1059), PowerShell (T1086), rundll32 (T1085), scheduled tasks (T1053), scripting (T1064), service execution (T1035), and execution through API or module loading (T1106, T1129). They also exploit client-side vulnerabilities (T1203) and user execution (T1204) to facilitate payload delivery.

For defense evasion, SectorJ04 uses methods like DLL side-loading (T1073), disabling security tools (T1089), bypassing User Account Control (T1088), code signing (T1116), obfuscation (T1027), software packing (T1045), virtualization/sandbox evasion (T1497), and hiding windows (T1143). Persistence is maintained through account manipulation (T1098), new services (T1050), registry run keys/startup folders (T1060), startup items (T1165), and WMI event subscriptions (T1084). They conduct extensive discovery activities including account (T1087), file and directory (T1083), network service scanning (T1046), network share (T1135), permission groups (T1069), process (T1057), registry queries (T1012), remote system (T1018), security software (T1063), system information (T1082), network configuration (T1016), network connections (T1049), system owner/user (T1033), and system service discovery (T1007).

For lateral movement and command and control, they use remote desktop protocol (T1076), remote services (T1021), custom and standard application layer protocols (T1094, T1071), and cryptographic protocols (T1024, T1032). Data collection techniques include automated collection (T1119), local system data (T1005), and email collection (T1114). Exfiltration is performed via automated exfiltration (T1020), alternative protocols (T1048), and command and control channels (T1041), often compressing (T1002) and encrypting data (T1486) to evade detection. This comprehensive attack lifecycle demonstrates SectorJ04's capability to conduct complex, multi-stage intrusions with a focus on stealth and persistence.

Although no specific affected software versions or exploits in the wild are documented, the group's tactics align with advanced persistent threat (APT) behavior targeting enterprise environments, particularly those with Windows infrastructure. The low severity rating likely reflects the absence of a single exploitable vulnerability but rather a combination of social engineering and post-compromise techniques.

Detailed information about SectorJ04 Groupâ€™s Increased Activity in 2019 affecting misp-galaxy mitre-attack-pattern. Get real-time updates, technical details, 

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