Analysis
- max time kernel
29s - max time network
34s - platform
android-10_x64 - resource
android-x64-20250619-en - resource tags
- submitted
16/09/2025, 22:38
General
- Target 8d1aabfb6329bf6c03c97f86c690e95723748be9d03ec2ed117376dd9e13faf0.apk
- Size 3.0MB
- Sample250916-2kf95abl3y
- SHA256 8d1aabfb6329bf6c03c97f86c690e95723748be9d03ec2ed117376dd9e13faf0
Malware Config
Extracted
-
hook
-
http://193.233.196.2:3434
-
user_agent
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 Safari/537.36
Extracted
-
hook
-
http://193.233.196.2
Signatures
- 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 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 7 IoCs
Application may abuse the accessibility service to prevent their removal.
- 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.
- Checks CPU information 2 TTPs 1 IoCs
- Checks memory information 2 TTPs 1 IoCs
Processes
-
com.yecomevusaso.pisifo1⤵
- 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 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
- Checks CPU information
- Checks memory information
Network
MITRE ATT&CK Mobile v16
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
1System Information Discovery
2System Network Configuration Discovery
3Replay Monitor
Loading Replay Monitor...
Downloads
GfkU.json
GfkU.json
androidx.work.workdb
androidx.work.workdb-journal
androidx.work.workdb-shm
androidx.work.workdb-wal
androidx.work.workdb-wal
androidx.work.workdb-wal
GfkU.json