Analysis
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max time kernel
149s -
max time network
152s -
platform
android-10_x64 -
resource
android-x64-20240910-en -
resource tags
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submitted
16-11-2024 22:11
General
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Target
0efe931a0d32a1fe52b11d258b09d189d3c0a3345966cac362f5d22b97efaabc.apk
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Size
845KB
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MD5
ab5ad396b602bef20d75a41bfd4a455e
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SHA1
e252ddf58f259fc735d38a94feb51c4ca9a6005e
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SHA256
0efe931a0d32a1fe52b11d258b09d189d3c0a3345966cac362f5d22b97efaabc
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SHA512
03b45a30c36273e8fac272e274369f8209e8c5c69ba105ae7ff497775cd9afb5c54c4a80ff744cc0b72e608a9ee424d31b849a6a9437b626a9c12853d08a2544
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SSDEEP
24576:bgSLU5u/H1D6wgXvKo9opF/DfWqqtaJyLU:bgSBUvNOpF7/qtGyLU
Malware Config
Extracted
ermac
http://154.216.16.134:3434
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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Ermac2 payload 1 IoCs
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Removes its main activity from the application launcher 1 TTPs 1 IoCs
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Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
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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 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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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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selcukpwjbe.apk1⤵
- Removes its main activity from the application launcher
- Loads dropped Dex/Jar
- 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
Download New Code at Runtime
1Foreground 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
1Discovery
Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
547KB
MD51c50815570683370a3b927df875f8ef7
SHA1f38c53416e0d992bc119f43e08193320fccff2c1
SHA256daf18b7ee9affb91231099aaa29d30a547cca7a761a3a3a6cb9676fe40969e11
SHA5122c7d72bb3cc27a4700a4926da616c92d04dbdcdc8b1a74d830bfa605cdbdb5bf91d8c4ca10f6ace93d7e7eebf8a74872da9ad70206c9579bfd6a42220b9f2984