Analysis
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max time kernel
179s -
max time network
187s -
platform
android_x64 -
resource
android-x64-arm64-20240624-en -
resource tags
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submitted
11-07-2024 22:07
General
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Target
4a55b500b6f19a08245fd9a06601933fdc5b7e1ab19975c0058dcc7cd58d2a4f.apk
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Size
1.2MB
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MD5
8bd2143870f954032d93cc03f6d0f75b
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SHA1
3f9bf9dafb037e9aba94d03e571a40953e3eb793
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SHA256
4a55b500b6f19a08245fd9a06601933fdc5b7e1ab19975c0058dcc7cd58d2a4f
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SHA512
8ce532ee02013588b1e08d03e1f2ad977f32396e4359cafb9c4afebb0f148f2cd2221ad821c1099c065ddfe8a14b5ad92fa650703c04008f4baaac579133f3cd
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SSDEEP
24576:poG9uMkqxybVYd6okIxt4l0kmNPF/juhKCJFxcxPo3j139dgypD1:aydgbGd6vIcl0kYF/oxcg3j139dg6
Malware Config
Extracted
ermac
http://89.213.56.192:3434
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 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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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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nusku.ermacv2.apk1⤵
- 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)
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
Network
MITRE ATT&CK Mobile v15
Defense Evasion
Foreground Persistence
1Hide Artifacts
2Suppress Application Icon
1User Evasion
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Credential Access
Clipboard Data
1Input Capture
2GUI Input Capture
1Keylogging
1