Analysis
-
max time kernel
147s -
max time network
156s -
platform
android-9_x86 -
resource
android-x86-arm-20240910-en -
resource tags
-
submitted
28-09-2024 22:02
General
-
Target
8a13bf7566967093e863d02e9a8cf2587345e4f7d2a22a5ebd94559a47a49145.apk
-
Size
994KB
-
MD5
beac8031f4815d45ad5c951855ef8813
-
SHA1
17ca3bee43c2b4b62cd4cec5c1dfd4c261e2aea6
-
SHA256
8a13bf7566967093e863d02e9a8cf2587345e4f7d2a22a5ebd94559a47a49145
-
SHA512
bb8af51ad8a19c7b2e342154ca04fcd1cb11079b7f4cc9872fc7c828e206ed401d23b70a46d242e988e9d4c83454822e187e713604e7bc1f0a78b6db21803bf2
-
SSDEEP
24576:JxbhQnUnZEKdJDIEoIY3XSrw3CECyC7CvCIC9CMCTC4CKgSDUeg:ZQUGKdJDKIKicFrOuZoNapTgS/g
Malware Config
Extracted
ermac
http://149.100.138.254:3434
Signatures
-
Ermac
An Android banking trojan first seen in July 2021.
-
Removes its main activity from the application launcher 1 TTPs 1 IoCs
-
Makes use of the framework's Accessibility service 4 TTPs 3 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
-
Queries the phone number (MSISDN for GSM devices) 1 TTPs
-
Acquires the wake lock 1 IoCs
-
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.
-
Performs UI accessibility actions on behalf of the user 1 TTPs 19 IoCs
Application may abuse the accessibility service to prevent their removal.
-
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
-
Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
-
Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
-
Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
-
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
-
Checks CPU information 2 TTPs 1 IoCs
-
Checks memory information 2 TTPs 1 IoCs
Processes
-
nusku.ermacv2.apk1⤵
- 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
2