Analysis
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max time kernel
179s -
max time network
183s -
platform
android_x64 -
resource
android-x64-20240611.1-en -
resource tags
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submitted
12-06-2024 16:04
General
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Target
54cae24056fcd10bfc1277d5c363d6bec6a1184124137cc596604b6ad60e86cd.apk
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Size
2.4MB
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MD5
a83b64e2f379adef9d9be35053476de3
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SHA1
a00f24260f7aa490e2f1b8a72cbf6ba8547a3b19
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SHA256
54cae24056fcd10bfc1277d5c363d6bec6a1184124137cc596604b6ad60e86cd
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SHA512
04ab5258ab816f0d3917717b30dfe0820dfc73ed9d8a842c6f1746a6e8d1ca89a322678661ed4c9eaee1472b3c15bf24bea9409a70d4920a9ea7e561019e8dba
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SSDEEP
49152:ZGsqm0IFKNgCMG6NOf1CIfZeWYhwYlWK8wfDJ8ol6qNUB05dj1g/9I:ZGFm0QKNgCuNO991Y8K8SDibqCm5d8I
Malware Config
Extracted
ermac
https://www.virustotal.com
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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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.
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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 9 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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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.fewujoyiliwoyi.kacero1⤵
- 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
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