Analysis
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max time kernel
147s -
max time network
151s -
platform
android-11_x64 -
resource
android-x64-arm64-20240910-en -
resource tags
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submitted
12/04/2025, 22:03
General
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Target
e6e64eab353da46cb5101802cba463f55cc0b8743d6478e0c4b816f3340ee776.apk
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Size
962KB
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MD5
d20c302081cedb4a19c5effb14ffa9e0
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SHA1
a435944c7b28c6f750fb5a2f612968c69e9dc579
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SHA256
e6e64eab353da46cb5101802cba463f55cc0b8743d6478e0c4b816f3340ee776
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SHA512
c6e83e7c9a2b998cce8c125860a8d29c9094fb90d826cd71c8d1ad1f38a6737c4b4b38d57fa60820cf32487b1e21316a4c1a37eff2087922e3546584d4a22bf9
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SSDEEP
24576:spu2vIFryVvdS9o8wX/22GkXzMAhbg/rWc:spfv+ypdeQX/22qabg/H
Malware Config
Extracted
ermac
http://196.251.84.145
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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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 7 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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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.guyuwelegasutu.yoci1⤵
- 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 v16
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