Analysis
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max time kernel
148s -
max time network
156s -
platform
android_x64 -
resource
android-x64-20240221-en -
resource tags
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submitted
16-04-2024 22:01
General
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Target
52435cd21f3d725029038fd4c24e22f819dee4ea035107bb30ee2895d9d02b29.apk
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Size
994KB
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MD5
b5ee66fe34fab727ce1541e054bbd8a5
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SHA1
8f4836b5604816f398eee8d42073eca89bfeb145
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SHA256
52435cd21f3d725029038fd4c24e22f819dee4ea035107bb30ee2895d9d02b29
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SHA512
9e699052d0fb9c4b1fe06e0b24d160a861da18ce4c2f754d92c005a3ad112385744d0e8ad4d2b29ad173c1b1f7265fdfdba5f26b9790abf9a47dfcdfe4f81900
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SSDEEP
24576:zTww2poKQAdjHLE3z48qKCfCVCwCICHCCCnCICrCXgSDUW:z8w5XYasge0V5WHWpiKgSn
Malware Config
Extracted
ermac
http://87.120.84.22:3434
Signatures
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Ermac
An Android banking trojan first seen in July 2021.
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Makes use of the framework's Accessibility service 2 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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Removes its main activity from the application launcher 1 TTPs 1 IoCs
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Checks CPU information 2 TTPs 1 IoCs
Checks CPU information which indicate if the system is an emulator.
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Checks memory information 2 TTPs 1 IoCs
Checks memory information which indicate if the system is an emulator.
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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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Queries the phone number (MSISDN for GSM devices) 1 TTPs
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Acquires the wake lock 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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Uses Crypto APIs (Might try to encrypt user data) 1 IoCs
Processes
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nusku.ermacv2.apk1⤵
- Makes use of the framework's Accessibility service
- Removes its main activity from the application launcher
- Checks CPU information
- Checks memory information
- Makes use of the framework's foreground persistence service
- Acquires the wake lock
- Uses Crypto APIs (Might try to encrypt user data)