Analysis
- max time kernel
147s - max time network
152s - platform
android-9_x86 - resource
android-x86-arm-20250619-en - resource tags
- submitted
20/07/2025, 19:37
General
- Target JaffaCakes118_238ca22d5900a4d7493b38a509343e48.apk
- Size 4.2MB
- Sample250720-yca7cstrx4
- SHA256 20c320a93226dc886b24f98d72950da646e63914308f701412ce1dc684559c56
Score
10/10
Malware Config
Signatures
- TeaBot
TeaBot is an android banker first seen in January 2021.
- TeaBot payload 2 IoCs
- Teabot family
- Removes its main activity from the application launcher 1 TTPs 1 IoCs
- Loads dropped Dex/Jar 1 TTPs 3 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.
- Acquires the wake lock 1 IoCs
- Performs UI accessibility actions on behalf of the user 1 TTPs 7 IoCs
Application may abuse the accessibility service to prevent their removal.
- Queries the mobile country code (MCC) 1 TTPs 1 IoCs
- 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
- Checks CPU information 2 TTPs 1 IoCs
- Checks memory information 2 TTPs 1 IoCs
Processes
-
absurd.doctor.extra1⤵
- Removes its main activity from the application launcher
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Acquires the wake lock
- 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)
- Checks CPU information
- Checks memory information
-
/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/absurd.doctor.extra/app_DynamicOptDex/tSYXLxP.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/absurd.doctor.extra/app_DynamicOptDex/oat/x86/tSYXLxP.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
-
Network
MITRE ATT&CK Mobile v16
Defense Evasion
Download New Code at Runtime
1Hide Artifacts
2Suppress Application Icon
1User Evasion
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Replay Monitor
Loading Replay Monitor...
Downloads
tSYXLxP.json.cur.prof
tSYXLxP.json
tSYXLxP.json
tSYXLxP.json