Analysis
- max time kernel
146s - max time network
150s - platform
android-10_x64 - resource
android-x64-20240910-en - resource tags
- submitted
15/04/2025, 07:33
General
- Target c5e3edafdfda1ca0f0554802bbe32a8b09e8cc48161ed275b8fec6d74208171f.apk
- Size 2.3MB
- Sample250415-jd1q3styb1
- SHA256 c5e3edafdfda1ca0f0554802bbe32a8b09e8cc48161ed275b8fec6d74208171f
Malware Config
Extracted
-
crocodilus
-
http://register-buzzy.store
Extracted
-
crocodilus
-
http://register-buzzy.store
Signatures
- Crocodilus
Crocodilus is a banking malware with extensive remote control capabilities first seen in March 2025.
- Crocodilus family
- Crocodilus payload 1 IoCs
- Removes its main activity from the application launcher 1 TTPs 1 IoCs
- Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
- Makes use of the framework's Accessibility service 4 TTPs 2 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
- 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.
- Queries the phone number (MSISDN for GSM devices) 1 TTPs
- Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs
Application may abuse the accessibility service to prevent their removal.
- Queries the mobile country code (MCC) 1 TTPs 1 IoCs
- Reads information about phone network operator. 1 TTPs
- 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
-
quizzical.washbowl.calamity1⤵
- 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
- 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 v16
Defense Evasion
Download New Code at Runtime
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
1Replay Monitor
Loading Replay Monitor...
Downloads
decrypted.dex
decrypted.dex.cur.prof