Analysis
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max time kernel
147s -
max time network
156s -
platform
android-9_x86 -
resource
android-x86-arm-20240910-en -
resource tags
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submitted
04-12-2024 22:02
General
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Target
49e7e1c431dbf5f07257c2aae77f67c3e5cc3af412de7c448ecae7eea42f8e0c.apk
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Size
1018KB
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MD5
e0d0eab5e2e5a50ad970a5ad44886359
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SHA1
5c5a1f0f7026780a420e1064ad809e66cc393423
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SHA256
49e7e1c431dbf5f07257c2aae77f67c3e5cc3af412de7c448ecae7eea42f8e0c
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SHA512
5f3fffae46c768944122050d408c6e9d0d4f8e1c65aa5e34062384e20d650cbb07d90eb6ef093d1e559bdea16000324d053298201ac80021e01948585126c641
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SSDEEP
24576:4tgRsqeoSbbNJz3gSDU+rUACACYnkUfq+ICv:4sZSbhJbgSTrhCYnkUfq+Ia
Malware Config
Extracted
ermac
http://45.158.14.11:3434
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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Reads information about phone network operator. 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
4