Analysis
- max time kernel
129s - max time network
154s - platform
android_x64 - resource
android-x64-20240624-en - resource tags
- submitted
16/01/2025, 04:18
General
- Target 913c3f5a4ac477a4d3b22828cb7b34c19bb483d76c9e34fea2c2c2a839bc6d6f.apk
- Size 3.1MB
- Sample250116-exf4kasqej
- SHA256 913c3f5a4ac477a4d3b22828cb7b34c19bb483d76c9e34fea2c2c2a839bc6d6f
Malware Config
Extracted
-
ermac
-
http://154.216.17.69
Extracted
-
hook
-
http://154.216.17.69
Signatures
- Ermac
An Android banking trojan first seen in July 2021.
- Ermac family
- Ermac2 payload 1 IoCs
- Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
- Hook family
- Loads dropped Dex/Jar 1 TTPs 1 IoCs
Runs executable file dropped to the device during analysis.
- Makes use of the framework's Accessibility service 4 TTPs 3 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
- Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs
Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
- Queries information about running processes on the device 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about running processes on the device.
- Queries the phone number (MSISDN for GSM devices) 1 TTPs
- Acquires the wake lock 1 IoCs
- Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs
Application may abuse the framework's foreground service to continue running in the foreground.
- Performs UI accessibility actions on behalf of the user 1 TTPs 8 IoCs
Application may abuse the accessibility service to prevent their removal.
- Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.
- Queries the mobile country code (MCC) 1 TTPs 1 IoCs
- Reads information about phone network operator. 1 TTPs
- Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
- Schedules tasks to execute at a specified time 1 TTPs 1 IoCs
Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.
- Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
- Checks CPU information 2 TTPs 1 IoCs
- Checks memory information 2 TTPs 1 IoCs
Processes
-
com.fsaslkasata.kuri1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- Queries information about running processes on the device
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
Network
MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Scheduled Task/Job
1Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Credential Access
Clipboard Data
1Input Capture
2GUI Input Capture
1Keylogging
1Discovery
Process Discovery
1Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
3System Network Connections Discovery
1Replay Monitor
Loading Replay Monitor...
Downloads
LB.json
LB.json
LB.json.cur.prof
androidx.work.workdb
androidx.work.workdb-journal
androidx.work.workdb-shm
androidx.work.workdb-wal
androidx.work.workdb-wal
androidx.work.workdb-wal
LB.json