Analysis
- max time kernel
174s - max time network
184s - platform
android_x86 - resource
android-x86-arm-20240514-en - resource tags
- submitted
19/05/2024, 06:37
General
- Target 5906fc6b7f015cd78b460241e931d00d_JaffaCakes118.apk
- Size 5.3MB
- Sample240519-hdk5yseg21
- SHA256 e3588d61fe7b8f7e20edd249acdf2fc74a3e65e0418818a00de7fa538ddd1b94
Malware Config
Signatures
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
- Checks Android system properties for emulator presence. 1 TTPs 1 IoCs
- Checks CPU information 2 TTPs 1 IoCs
Checks CPU information which indicate if the system is an emulator.
- Checks memory information 2 TTPs 1 IoCs
Checks memory information which indicate if the system is an emulator.
- Loads dropped Dex/Jar 1 TTPs 7 IoCs
Runs executable file dropped to the device during analysis.
- Queries information about running processes on the device 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about running processes on the device.
- Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.
- Queries the mobile country code (MCC) 1 TTPs 1 IoCs
- Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 2 IoCs
- Checks if the internet connection is available 1 TTPs 2 IoCs
- Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
- Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 2 IoCs
Processes
-
com.qihuowzwMi.cn1⤵
- Checks Android system properties for emulator presence.
- Checks CPU information
- Checks memory information
- Loads dropped Dex/Jar
- Queries information about running processes on the device
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Checks if the internet connection is available
- Uses Crypto APIs (Might try to encrypt user data)
-
chmod 755 /data/user/0/com.qihuowzwMi.cn/.jiagu/libjiagu.so2⤵
-
-
/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/data/com.qihuowzwMi.cn/.jiagu/tmp.dex --output-vdex-fd=42 --oat-fd=44 --oat-location=/data/data/com.qihuowzwMi.cn/.jiagu/oat/x86/tmp.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
-
-
com.qihuowzwMi.cn:pushservice1⤵
- Loads dropped Dex/Jar
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Checks if the internet connection is available
- Uses Crypto APIs (Might try to encrypt user data)
Network
MITRE ATT&CK Mobile v15
Defense Evasion
Download New Code at Runtime
1Virtualization/Sandbox Evasion
3System Checks
3Replay Monitor
Loading Replay Monitor...
Downloads
classes.dex
libjiagu.so
tmp.dex
tmp.dex
pushg.db-wal
pushsdk.db-journal
pushsdk.db-shm
pushsdk.db-wal
.imei.txt
.jg.ac
.jg.di
.jg.ri
.jiagu.lock
classes.dex
.imei.txt
.deviceId
.iddata
__shortcut.js
__template.json
__wap2app.js
__wap2app.ttf
__wap2appbrowser.html
__wap2appcontext.html
__wap2apperror.html
__wap2appplayer.js
__wap2appquit.js
__wap2appswiper.html
__wap2apptabbar.css
__wap2apptabbar.js
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