Analysis
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max time kernel
148s -
max time network
151s -
platform
android-9_x86 -
resource
android-x86-arm-20240910-en -
resource tags
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submitted
21/02/2025, 22:00
General
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Target
0e1414ab3e8cfb6c3f084066ed4facb20c1848dc16c3a1256ebc8b32aec7f39b.apk
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Size
1022KB
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MD5
f97568259690c5774cbdf840c7a6d76d
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SHA1
00dc0bcbbe7a62b0001d2eb72e1dce8d38c1e544
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SHA256
0e1414ab3e8cfb6c3f084066ed4facb20c1848dc16c3a1256ebc8b32aec7f39b
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SHA512
59b807a8d7eaed636c504ee43cad3a5d66f115d09395820ae84b7c0ab1f6a5fcd905c00ae2d40af5a3b683c413d8a537b827c3c2cf164405a5b21e76c74110c3
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SSDEEP
12288:CoMbyZK5G+biuvip5RBlguC5gApVD5U+rUA5LgA4R4P4E4f4j444p454n4WiIw:CoRI5eRBlO5gSDU+rUACACYnkUfq+IS
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 5 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