Analysis
- max time kernel
27s - max time network
159s - platform
android_x86 - resource
android-x86-arm-20240514-en - resource tags
- submitted
18/05/2024, 01:01
General
- Target 525e34afe49c431acb157b559b2b3a96_JaffaCakes118.apk
- Size 11.6MB
- Sample240518-bdbsyscd22
- SHA256 9c960d9d4c12220211ec79724e7ead327b05acf0f77237dc319b8702314d9b8b
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
- Loads dropped Dex/Jar 1 TTPs 13 IoCs
Runs executable file dropped to the device during analysis.
- Queries information about running processes on the device 1 TTPs 3 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 information about the current nearby Wi-Fi networks 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about the current nearby Wi-Fi networks.
- Queries the phone number (MSISDN for GSM devices) 1 TTPs
- Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 3 IoCs
- Checks if the internet connection is available 1 TTPs 3 IoCs
- Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
Processes
-
cn.wejuan.reader1⤵
- Loads dropped Dex/Jar
- Queries information about running processes on the device
- Queries information about the current Wi-Fi connection
- Queries information about the current nearby Wi-Fi networks
- 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/data/cn.wejuan.reader/.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/cn.wejuan.reader/.jiagu/tmp.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/data/cn.wejuan.reader/.jiagu/oat/x86/tmp.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
-
-
cn.wejuan.reader:GuardService1⤵
- Loads dropped Dex/Jar
- Queries information about running processes on the device
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Checks if the internet connection is available
-
cn.wejuan.reader:pushcore1⤵
- Loads dropped Dex/Jar
- Queries information about running processes on the device
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Checks if the internet connection is available
Network
MITRE ATT&CK Mobile v15
Replay Monitor
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Downloads
classes.dex
classes.dex
classes.dex!classes2.dex
libjiagu.so
tmp.dex
btechainh.db
btechainh.db-journal
btechainh.db-wal
easouBook.db
easouBook.db-journal
easouBook.db-shm
easouBook.db-wal
localEasouBook.db
localEasouBook.db-journal
localEasouBook.db-wal
.jg.ac
.jg.di
.jg.ic
.jg.ri
.jiagu.lock
__local_ap_info_cache.json
__local_stat_cache.json
__send_data_1715994116045
libcuid.so
.deviceId
.iddata
.cuid
.confd
.confd
.confd-journal
.confd-wal
.confd-wal
.timestamp
alipay_msp.apk