Analysis
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max time kernel
150s -
max time network
158s -
platform
android_x64 -
resource
android-x64-arm64-20240221-en -
resource tags
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submitted
10-04-2024 22:02
General
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Target
537504bf9c2fa42d1facd51d2f5f6261508c5dd69fbe01bed020bda16c2e138b.apk
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Size
1.1MB
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MD5
5b3a809660ca73851ebe0e4576fe402a
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SHA1
647844f54aca49e1274d48e3b16b153c9b1c7ce2
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SHA256
537504bf9c2fa42d1facd51d2f5f6261508c5dd69fbe01bed020bda16c2e138b
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SHA512
4bb17f35b043ea576562470dd8054ec26a973fcf19e38613e9913f6f907fbf54e23654bd5f91b43b4f6f4555756a9b819405f819cbbc86f04665195994022957
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SSDEEP
24576:A+Dg/shD/5kvJ921d5yGpqGB2VkoZJaAP+Ce/ycFN9sJCTXgl9o+:JDg/E5kvJ9aFpCtaAW/ycF7s4jgl9H
Malware Config
Extracted
ermac
http://173.212.219.194:3434
Signatures
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Ermac
An Android banking trojan first seen in July 2021.
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Ermac2 payload 1 IoCs
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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 1 IoCs
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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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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 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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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 IoCs
Processes
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kader.inatbox.apk1⤵
- Makes use of the framework's Accessibility service
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
- Removes its main activity from the application launcher
- Checks CPU information
- Checks memory information
- Loads dropped Dex/Jar
- Makes use of the framework's foreground persistence service
- Acquires the wake lock
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Uses Crypto APIs (Might try to encrypt user data)
Network
MITRE ATT&CK Mobile v15
Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Hide Artifacts
2Suppress Application Icon
1User Evasion
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
684KB
MD5b8ab5713ac0c2f9685ba6cff1d5c886d
SHA1a41c13106c9690c114b132cf50be9d6b0eedd1de
SHA256a04a9dc5669b2963c84bb8a891a647f55e865b8120e53fb83befd40d47425d63
SHA512e293a82f9905e137ee8d2925efd7fdc257076a23f5b9874be2029d2a38160876201f9647667c6a4e5b50da90ff4409f939e4e3879be3a83636b4cdebb76da322