Analysis
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max time kernel
146s -
max time network
150s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
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submitted
13-12-2024 22:00
General
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Target
2bad5d3f3eaa350b15966f2556de99a4e0fa06632c79c282a07df83d25aa2794.apk
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Size
1.1MB
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MD5
696083849beb1457b64dc1b213e4f231
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SHA1
74f2dc2b32359bc10fe41d8fc223293d7c6b09c2
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SHA256
2bad5d3f3eaa350b15966f2556de99a4e0fa06632c79c282a07df83d25aa2794
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SHA512
a91374a20073f6599ccc3ac0d86495a0c92469d41d0fe64d72a2f381ed15f80f9f0937c796e96dae40f4dcecaa44a0a29af7bb018070ff33fdcd950914d9e846
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SSDEEP
24576:1g/zryozMA78Fm1I+Tw78WE3uZLeiZKSrwA+tYaaly9KOKWot9ce58s5C:1g/VYAwF8wwWE3Uei9wSaSJBWuSs4
Malware Config
Extracted
ermac
http://45.94.31.93:3434
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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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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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 21 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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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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com.yoratufofice.mepu1⤵
- Removes its main activity from the application launcher
- Makes use of the framework's Accessibility service
- 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).
- 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
Foreground Persistence
1Hide Artifacts
2Suppress Application Icon
1User Evasion
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Discovery
Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
3