Analysis
- max time kernel
179s - max time network
195s - platform
android_x86 - resource
android-x86-arm-20240514-en - resource tags
- submitted
01/06/2024, 02:43
General
- Target 892965862ecf6dfba48e1c015ea063ed_JaffaCakes118.apk
- Size 7.6MB
- Sample240601-c7rxpsfh45
- SHA256 157d3f1be4493f95efdd1c4ac73d02a808e795f081df3a0aaac355ed4f51b187
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
- Requests cell location 2 TTPs 2 IoCs
Uses Android APIs to to get current cell location.
- 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 2 IoCs
Runs executable file dropped to the device during analysis.
- Queries information about running processes on the device 1 TTPs 4 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 mobile country code (MCC) 1 TTPs 1 IoCs
- Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 4 IoCs
- Checks if the internet connection is available 1 TTPs 4 IoCs
- Domain associated with commercial stalkerware software, includes indicators from echap.eu.org 1 IoCs
- Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 4 IoCs
Processes
-
com.mianfeizs.book1⤵
- Requests cell location
- 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 information about the current nearby Wi-Fi networks
- 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)
-
/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/com.mianfeizs.book/files/sllak/core/finalcore.jar --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.mianfeizs.book/files/sllak/core/oat/x86/finalcore.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
-
-
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq2⤵
-
-
com.mianfeizs.book:pushcore1⤵
- 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
- Uses Crypto APIs (Might try to encrypt user data)
-
com.mianfeizs.book:pushservice1⤵
- 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
- Uses Crypto APIs (Might try to encrypt user data)
-
com.mianfeizs.book:iwanvi_read_process1⤵
- 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
- Uses Crypto APIs (Might try to encrypt user data)
Network
MITRE ATT&CK Mobile v15
Defense Evasion
Download New Code at Runtime
1Execution Guardrails
1Geofencing
1Virtualization/Sandbox Evasion
2System Checks
2Replay Monitor
Loading Replay Monitor...
Downloads
ua.db
ua.db
ua.db
ua.db
ua.db
ua.db
ua.db-journal
ua.db-wal
ua.db-wal
ua.db-wal
ua.db-wal
ua.db-wal
ua.db-wal
cc.db
cc.db
cc.db-journal
cc.db-wal
cc.db-wal
config.db
config.db-journal
config.db-shm
config.db-wal
freebook_comm.db
freebook_comm.db-journal
freebook_comm.db-shm
freebook_comm.db-wal
.imprint
exchangeIdentity.json
exid.dat
init_c1.pid
jpush_stat_cache.json
finalcore.jar
finalcore.jar.cur.prof
log1717209828155
umeng_it.cache
umeng_it.cache
finalcore.jar
finalcore.jar
.cer
.ygzhang
.sfp
.fb
-2002406654.tmp
-281292385.tmp
-308871807.tmp
-403070949.tmp
-576146247.tmp
1407953732.tmp
.push_deviceid