Analysis
- max time kernel
159s - max time network
186s - platform
android_x86 - resource
android-x86-arm-20240603-en - resource tags
- submitted
04/06/2024, 12:59
General
- Target 94ee82442cf899818a7ca177e016770b_JaffaCakes118.apk
- Size 29.1MB
- Sample240604-p8d4fsge71
- SHA256 3afd411431fd291ba1039788bb5c1a793059882efc3afdc6a57a83264f828432
Malware Config
Signatures
- Checks if the Android device is rooted. 1 TTPs 12 IoCs
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
- Checks CPU information 2 TTPs 3 IoCs
Checks CPU information which indicate if the system is an emulator.
- Checks memory information 2 TTPs 3 IoCs
Checks memory information which indicate if the system is an emulator.
- Loads dropped Dex/Jar 1 TTPs 6 IoCs
Runs executable file dropped to the device during analysis.
- Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs
Application may abuse the framework's foreground service to continue running in the foreground.
- 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 3 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 3 IoCs
- Checks if the internet connection is available 1 TTPs 3 IoCs
- Reads information about phone network operator. 1 TTPs
- Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 3 IoCs
Processes
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cn.gloud.client1⤵
- Checks if the Android device is rooted.
- 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)
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/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/cn.gloud.client/app_ay_storage/26/update.jar --output-vdex-fd=46 --oat-fd=47 --oat-location=/data/user/0/cn.gloud.client/app_ay_storage/26/oat/x86/update.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
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cat /sys/class/net/wlan0/address2⤵
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/system/bin/sh -c getprop2⤵
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getprop2⤵
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cat /sys/class/net/wlan0/address2⤵
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/system/bin/sh -c type su2⤵
- Checks if the Android device is rooted.
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cat /sys/class/net/wlan0/address2⤵
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cat /sys/class/net/wlan0/address2⤵
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cat /sys/class/net/wlan0/address2⤵
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cat /sys/class/net/wlan0/address2⤵
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cat /sys/class/net/wlan0/address2⤵
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/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/cn.gloud.client/app_libs/ymdex.jar --output-vdex-fd=123 --oat-fd=124 --oat-location=/data/user/0/cn.gloud.client/app_libs/oat/x86/ymdex.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
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cn.gloud.client:QALSERVICE1⤵
- Checks if the Android device is rooted.
- Checks CPU information
- Checks memory information
- Loads dropped Dex/Jar
- Makes use of the framework's foreground persistence service
- Queries information about running processes on the device
- Queries information about the current Wi-Fi connection
- 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)
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cat /sys/class/net/wlan0/address2⤵
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/system/bin/sh -c getprop2⤵
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getprop2⤵
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/system/bin/sh -c type su2⤵
- Checks if the Android device is rooted.
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cat /sys/class/net/wlan0/address2⤵
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cat /sys/class/net/wlan0/address2⤵
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cat /sys/class/net/wlan0/address2⤵
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cn.gloud.client:push1⤵
- Checks if the Android device is rooted.
- 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
- 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)
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cat /sys/class/net/wlan0/address2⤵
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/system/bin/sh -c getprop2⤵
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getprop2⤵
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/system/bin/sh -c type su2⤵
- Checks if the Android device is rooted.
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cat /sys/class/net/wlan0/address2⤵
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cat /sys/class/net/wlan0/address2⤵
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cat /sys/class/net/wlan0/address2⤵
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cat /sys/class/net/wlan0/address2⤵
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Network
MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Virtualization/Sandbox Evasion
2System Checks
2Replay Monitor
Loading Replay Monitor...
Downloads
update.jar
1004
1004
ymdex.jar
ua.db-journal
ua.db-wal
74c69f7c317aab7c768a635d927e85b2-journal
OxgHkj2lz09F
OxgHkj2lz09F-journal
OxgHkj2lz09F-wal
UmengLocalNotificationStore.db
UmengLocalNotificationStore.db-journal
UmengLocalNotificationStore.db-shm
UmengLocalNotificationStore.db-wal
appdownload.db
appdownload.db-journal
appdownload.db-shm
appdownload.db-wal
bugly_db_
bugly_db_-journal
bugly_db_-shm
bugly_db_-wal
cc.db-journal
cc.db-wal
wsUL1uCdKvjD-journal
report_v5.msgstore
report_v5.msgstore-journal
report_v5.msgstore-journal
report_v5.msgstore-shm
tls_device.dat
update.jar
update.jar
ymdex.jar
ymdex.jar
ContextData.xml
Alvin2.xml
Alvin2.xml
Alvin2.xml
i42d45df023jnkdd93la483f9xGFKXI
s92TjjdfoP2n3o9dfji2l9s1olkjf0p
imsdk_20240604.log
imsdk_20240604.log
imsdk_20240604.log
imsdk_20240604.log
imsdk_20240604.log
imsdk_20240604.log
imsdk_20240604.log
sdk.24.06.04.13.log
sdk.24.06.04.13.log
sdk.24.06.04.13.log