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S0540 Asacub

Asacub is a banking trojan that attempts to steal money from victims’ bank accounts. It attempts to do this by initiating a wire transfer via SMS message from compromised devices.1

Item Value
ID S0540
Associated Names Trojan-SMS.AndroidOS.Smaps
Version 1.0
Created 14 December 2020
Last Modified 16 December 2020
Navigation Layer View In ATT&CK® Navigator

Associated Software Descriptions

Name Description
Trojan-SMS.AndroidOS.Smaps 1

Techniques Used

Domain ID Name Use
mobile T1626 Abuse Elevation Control Mechanism -
mobile T1626.001 Device Administrator Permissions Asacub can request device administrator permissions.1
mobile T1437 Application Layer Protocol -
mobile T1437.001 Web Protocols Asacub has communicated with the C2 using HTTP POST requests.1
mobile T1532 Archive Collected Data Asacub has encrypted C2 communications using Base64-encoded RC4.1
mobile T1575 Native API Asacub has implemented functions in native code.1
mobile T1406 Obfuscated Files or Information Asacub has stored encrypted strings in the APK file.1
mobile T1636 Protected User Data -
mobile T1636.003 Contact List Asacub can collect the device’s contact list.1
mobile T1636.004 SMS Messages Asacub can collect SMS messages as they are received.1
mobile T1582 SMS Control Asacub can send SMS messages from compromised devices.1
mobile T1426 System Information Discovery Asacub can collect various pieces of device information, including device model and OS version.1
mobile T1422 System Network Configuration Discovery Asacub can collect various pieces of device network configuration information, such as mobile network operator.1