Analysis
- max time kernel
175s - max time network
183s - platform
android_x86 - resource
android-x86-arm-20240611.1-en - resource tags
- submitted
13/06/2024, 15:23
General
- Target a63d08381c1c6d6eb745979ae71c2bfc_JaffaCakes118.apk
- Size 11.8MB
- Sample240613-ssprssthra
- SHA256 d5fbe208e5991caa04b8695013162a2c89ab4a640e9aa1d51a1344648509987e
Malware Config
Signatures
- Checks if the Android device is rooted. 1 TTPs 4 IoCs
- Loads dropped Dex/Jar 1 TTPs 9 IoCs
Runs executable file dropped to the device during analysis.
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
- Queries information about running processes on the device 1 TTPs 2 IoCs
Application may abuse the framework's APIs to collect information about running processes on the device.
- 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
- Domain associated with commercial stalkerware software, includes indicators from echap.eu.org 2 IoCs
- Queries information about active data network 1 TTPs 2 IoCs
- 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.
- Reads information about phone network operator. 1 TTPs
- Requests dangerous framework permissions 6 IoCs
- Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 2 IoCs
- 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
-
com.esbook.reader1⤵
- Checks if the Android device is rooted.
- Loads dropped Dex/Jar
- Queries information about running processes on the device
- Queries information about the current nearby Wi-Fi networks
- Queries information about active data network
- Queries information about the current Wi-Fi connection
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
- 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/data/com.esbook.reader/.jiagu/tmp.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/data/com.esbook.reader/.jiagu/oat/x86/tmp.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
-
-
sh -c ps2⤵
-
-
ps2⤵
-
-
cat /sys/class/net/wlan0/address2⤵
-
-
com.esbook.reader:GuardService1⤵
- Loads dropped Dex/Jar
- Queries information about running processes on the device
- Queries information about active data network
- Registers a broadcast receiver at runtime (usually for listening for system events)
Network
MITRE ATT&CK Mobile v15
Defense Evasion
Download New Code at Runtime
1Virtualization/Sandbox Evasion
2System Checks
2Replay Monitor
Loading Replay Monitor...
Downloads
classes.dex
classes.dex!classes2.dex
libjiagu.so
tmp.dex
-1333085314-67907036
1027447769-888602962
1477308544-1010606469
btechainh.db
btechainh.db-journal
btechainh.db-wal
easouBook.db
easouBook.db-journal
easouBook.db-shm
easouBook.db-wal
es.db
es.db-journal
es.db-wal
local.db
local.db-journal
local.db-wal
localEasouBook.db
localEasouBook.db-journal
localEasouBook.db-wal
techain_d.db-journal
techain_d.db-wal
u.dbv5
u.dbv5
u.dbv5
u.dbv5-journal
u.dbv5-wal
u.dbv5-wal
u.dbv5-wal
.jg.ac
.jg.ac
.jg.di
.jg.di
.jg.ic
.jg.rd
.jg.ri
.jiagu.lock
__local_ap_info_cache.json
__local_last_session.json
__local_stat_cache.json
__send_data_1718292241772
jpush_stat_cache.json
3dc8522c-0f07-4d7a-9f42-cbd7086470e8
027d1a8a-4c3c-473c-bf62-172fc2bf7914
user_log_0_50816_1718292369135
.icosc
.deviceId
.iddata
.cuid2
.confd
.confd
.confd
.confd
.confd
.confd-journal
.confd-wal
.confd-wal
.confd-wal
.confd-wal
.confd-wal
.confd-wal
.confd-wal
.confd-wal
.timestamp
.timestamp
.timestamp
.timestamp
.timestamp
.push_deviceid
alipay_msp.apk