Analysis
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max time kernel
149s -
max time network
155s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
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submitted
22-10-2024 22:10
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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Removes its main activity from the application launcher 1 TTPs 1 IoCs
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Makes use of the framework's Accessibility service 4 TTPs 3 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
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Queries the phone number (MSISDN for GSM devices) 1 TTPs
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Acquires the wake lock 1 IoCs
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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.
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Performs UI accessibility actions on behalf of the user 1 TTPs 13 IoCs
Application may abuse the accessibility service to prevent their removal.
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Queries the mobile country code (MCC) 1 TTPs 1 IoCs
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Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
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Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
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Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
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Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
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Checks CPU information 2 TTPs 1 IoCs
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Checks memory information 2 TTPs 1 IoCs
Processes
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com.jicitemebezo.biyaca1⤵
- Removes its main activity from the application launcher
- Makes use of the framework's Accessibility service
- 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)
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- 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
Network
MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Defense Evasion
Foreground Persistence
1Hide Artifacts
2Suppress Application Icon
1User Evasion
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2