Analysis
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max time kernel
149s -
max time network
144s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
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submitted
16-02-2025 22:05
General
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Target
77ed2df9d2ca2b9c3d6979bc48e48c0940f7b9ff625315168e20565ee3ed81ea.apk
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Size
1018KB
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MD5
39be32bc2d7b1edbaa2c75bcebf56ca8
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SHA1
b33609bf1f3f04cc791023134b202add292151a1
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SHA256
77ed2df9d2ca2b9c3d6979bc48e48c0940f7b9ff625315168e20565ee3ed81ea
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SHA512
aadfe05e488648eba9c0fbbf7836ff66283e945b9973f98334aa6472ae93d5d585048e6078f9c185881f1cec990ed910d3b4b5b469b77518331526d31a8eb4ac
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SSDEEP
12288:CoMbyZK5G+biuvip5RBlguC5gApVD5U+rUA5LgA4R4P4E4f4j444p454n4dQm:CoRI5eRBlO5gSDU+rUACACYnkUfq+II
Malware Config
Extracted
ermac
http://20.199.76.181
Signatures
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Ermac
An Android banking trojan first seen in July 2021.
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Ermac family
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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 a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
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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 7 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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inatbox.tivi.apk1⤵
- 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
2Discovery
Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
3