Evade Analysis Environment
Malicious applications may attempt to detect their operating environment prior to fully executing their payloads. These checks are often used to ensure the application is not running within an analysis environment such as a sandbox used for application vetting, security research, or reverse engineering. Adversaries may use many different checks such as physical sensors, location, and system properties to fingerprint emulators and sandbox environments. Adversaries may access
android.os.SystemProperties via Java reflection to obtain specific system information. Standard values such as phone number, IMEI, IMSI, device IDs, and device drivers may be checked against default signatures of common sandboxes.
Applications attempting to get
Analysis Environment avoidance capabilities can be difficult to detect, and therefore enterprises may be better served focusing on detection at other stages of adversarial behavior.
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