Analysis
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max time kernel
149s -
max time network
152s -
platform
android-10_x64 -
resource
android-x64-20240910-en -
resource tags
arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system -
submitted
22-10-2024 22:10
Behavioral task
behavioral1
Sample
a2fb9d371732350875a5ff52993254b553520651d2804af6d3b197b598b19d5f.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
a2fb9d371732350875a5ff52993254b553520651d2804af6d3b197b598b19d5f.apk
Resource
android-x64-20240910-en
Behavioral task
behavioral3
Sample
a2fb9d371732350875a5ff52993254b553520651d2804af6d3b197b598b19d5f.apk
Resource
android-x64-arm64-20240910-en
General
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Target
a2fb9d371732350875a5ff52993254b553520651d2804af6d3b197b598b19d5f.apk
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Size
1.1MB
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MD5
b54a43794b6e4fa5c8c0c8c5194d208e
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SHA1
d0e662bc1379fe6a00c635d3961b801458816518
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SHA256
a2fb9d371732350875a5ff52993254b553520651d2804af6d3b197b598b19d5f
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SHA512
1b657343e64ace47e0d669924f3477f92055d75657c425a898cd3879295bd596f746d671f86ac09819084254f4d6ce12b42de908cd0847c76fbc1a436bb09323
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SSDEEP
24576:DLg/2N5ug1t1SlUMREmr5MHJVE041uh2kcNXzu0HO62o:/g/nAt1wZqmGpV21hk2u0HO67
Malware Config
Extracted
ermac
http://2.58.56.39:3434
Signatures
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Ermac
An Android banking trojan first seen in July 2021.
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pid Process 5105 com.jicitemebezo.biyaca -
Makes use of the framework's Accessibility service 4 TTPs 3 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
description ioc Process Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.jicitemebezo.biyaca Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText com.jicitemebezo.biyaca Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId com.jicitemebezo.biyaca -
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.
description ioc Process Framework service call android.content.IClipboard.addPrimaryClipChangedListener com.jicitemebezo.biyaca -
Queries the phone number (MSISDN for GSM devices) 1 TTPs
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Acquires the wake lock 1 IoCs
description ioc Process Framework service call android.os.IPowerManager.acquireWakeLock com.jicitemebezo.biyaca -
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.
description ioc Process Framework service call android.app.IActivityManager.setServiceForeground com.jicitemebezo.biyaca -
Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs
Application may abuse the accessibility service to prevent their removal.
ioc Process android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.jicitemebezo.biyaca android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.jicitemebezo.biyaca android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.jicitemebezo.biyaca android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.jicitemebezo.biyaca android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.jicitemebezo.biyaca -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.jicitemebezo.biyaca -
Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
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Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
description ioc Process Framework service call android.app.IActivityManager.registerReceiver com.jicitemebezo.biyaca -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.jicitemebezo.biyaca -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.jicitemebezo.biyaca -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.jicitemebezo.biyaca
Processes
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com.jicitemebezo.biyaca1⤵
- Removes its main activity from the application launcher
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- 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)
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:5105
Network
MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Defense Evasion
Foreground Persistence
1Hide Artifacts
1Suppress Application Icon
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Credential Access
Clipboard Data
1Input Capture
2GUI Input Capture
1Keylogging
1