Analysis
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max time kernel
148s -
max time network
157s -
platform
android-10_x64 -
resource
android-x64-20240910-en -
resource tags
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submitted
06/11/2024, 22:00
General
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Target
b83b96cb3af5226d7472a3dbe78f40b0d04877f0a0a23c74931e3a117c911ed5.apk
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Size
898KB
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MD5
b30d5136de687cf9b8ed47411cdd1820
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SHA1
708c42e2835595ae3dd0b2fe4d53807d92a04e87
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SHA256
b83b96cb3af5226d7472a3dbe78f40b0d04877f0a0a23c74931e3a117c911ed5
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SHA512
d8492b800da1bb3a4e4c3d0ba1aa21a7102ac0b806975a96ece038096838bcaf9714faba8c877f3f2e6c3e7497a09d1ebd92bbf76360ebff8fdb0cc56bc55b27
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SSDEEP
12288:2AHJxiNFQ6rZBzXxl7avpEpazcAFrQMOYG0jmmYmoxPZK/+IMgqrDs:2AHWNPZRBlGqa4orQMOGjmMoxPZYlqro
Malware Config
Extracted
ermac
http://154.216.18.138:3434
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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Reads information about phone network operator. 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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selcuksportss.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
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
686KB
MD5cedc0b596011df92f52cd5585677cb09
SHA17da5bd413422c11e2f0d3cf5e199362b5198b12f
SHA2563573afd89b3ef755d08fedfdc538eccc75f25800ac430e86794e2d74ff2a2c59
SHA512265704ef7e4fc07e7866040f4a2eec11cc43e9468504fe7a4d0b5481805964cd2678b1b6aeab1e0940290824d31cb5c13c43f61d92e7a32873d8a3158ea6691b