Analysis
- max time kernel
272s - max time network
301s - platform
android-9_x86 - resource
android-x86-arm-20240910-en - resource tags
- submitted
21/10/2024, 05:53
General
- Target base.apk
- Size 7.4MB
- Sample241021-glkzgstdnm
- SHA256 32e39963f71cdb20c59382aefb19b2cfa3fb2527f15e12dedf587a8329e30f95
Malware Config
Extracted
-
trickmo
-
http://gofirst.cn.com/c
Signatures
- TrickMo
TrickMo is an Android banking trojan with the capability to intercept 2FA codes first seen in September 2019.
- Loads dropped Dex/Jar 1 TTPs 8 IoCs
Runs executable file dropped to the device during analysis.
- Makes use of the framework's Accessibility service 4 TTPs 1 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
- Queries the phone number (MSISDN for GSM devices) 1 TTPs
- Queries the mobile country code (MCC) 1 TTPs 1 IoCs
- Reads information about phone network operator. 1 TTPs
- Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs
- Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
- Schedules tasks to execute at a specified time 1 TTPs 1 IoCs
Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.
- 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
-
mendie.mold390.sfor1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Queries the mobile country code (MCC)
- Listens for changes in the sensor environment (might be used to detect emulation)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
-
/system/bin/dex2oat --debuggable --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 --debuggable --generate-mini-debug-info --dex-file=/data/user/0/mendie.mold390.sfor/app_much/xkDUOf.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/mendie.mold390.sfor/app_much/oat/x86/xkDUOf.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
-
Network
MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Scheduled Task/Job
1Defense Evasion
Download New Code at Runtime
1Hide Artifacts
1User Evasion
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Discovery
Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
3Replay Monitor
Loading Replay Monitor...
Downloads
xkDUOf.json
xkDUOf.json
clicker.json
a-journal
a-wal
mendie.mold390.sfor
androidx.work.workdb
androidx.work.workdb-journal
androidx.work.workdb-shm
androidx.work.workdb-wal
androidx.work.workdb-wal
androidx.work.workdb-wal
xkDUOf.json
xkDUOf.json!classes2.dex
xkDUOf.json!classes3.dex
xkDUOf.json!classes4.dex
log.txt