Analysis
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max time kernel
178s -
max time network
183s -
platform
android_x86 -
resource
android-x86-arm-20240514-en -
resource tags
androidarch:armarch:x86image:android-x86-arm-20240514-enlocale:en-usos:android-9-x86system -
submitted
29-05-2024 14:10
Static task
static1
Behavioral task
behavioral1
Sample
81028b67bd463375a732a0c77450f965_JaffaCakes118.apk
Resource
android-x86-arm-20240514-en
Behavioral task
behavioral2
Sample
81028b67bd463375a732a0c77450f965_JaffaCakes118.apk
Resource
android-x64-20240514-en
General
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Target
81028b67bd463375a732a0c77450f965_JaffaCakes118.apk
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Size
637KB
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MD5
81028b67bd463375a732a0c77450f965
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SHA1
0ef62bdf7f8f31af8af6e7d9f69c946b2014ce67
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SHA256
b2de24b42811ba0a05d5e51cf45bce10ec8aff9a1e0a5834476d6a70ff4cd04d
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SHA512
5ce4f1c394e17735847b193e9034d89707735dd121350a6a36ec69cb0dc18d8322d86b90999678bfe9dd1dc28c5d239cfbc7fd3063102e78b253a642741ed706
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SSDEEP
12288:B4L4oQI8Y0FotaKIUtrbMs1y/gfOdFskKkgeFxBMC794vvQe6ERylTgJ:doL0otaYtXM25OgkRfM4iydc
Malware Config
Signatures
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Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
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Checks CPU information 2 TTPs 1 IoCs
Checks CPU information which indicate if the system is an emulator.
Processes:
com.pygt.rcsy.qeytdescription ioc process File opened for read /proc/cpuinfo com.pygt.rcsy.qeyt -
Loads dropped Dex/Jar 1 TTPs 3 IoCs
Runs executable file dropped to the device during analysis.
Processes:
/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.pygt.rcsy.qeyt/app_mjf/dz.jar --output-vdex-fd=47 --oat-fd=48 --oat-location=/data/user/0/com.pygt.rcsy.qeyt/app_mjf/oat/x86/dz.odex --compiler-filter=quicken --class-loader-context=&com.pygt.rcsy.qeytcom.pygt.rcsy.qeyt:daemonioc pid process /data/user/0/com.pygt.rcsy.qeyt/app_mjf/dz.jar 4320 /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.pygt.rcsy.qeyt/app_mjf/dz.jar --output-vdex-fd=47 --oat-fd=48 --oat-location=/data/user/0/com.pygt.rcsy.qeyt/app_mjf/oat/x86/dz.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.pygt.rcsy.qeyt/app_mjf/dz.jar 4284 com.pygt.rcsy.qeyt /data/user/0/com.pygt.rcsy.qeyt/app_mjf/dz.jar 4362 com.pygt.rcsy.qeyt:daemon -
Queries account information for other applications stored on the device 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect account information stored on the device.
Processes:
com.pygt.rcsy.qeytdescription ioc process Framework service call android.accounts.IAccountManager.getAccountsAsUser com.pygt.rcsy.qeyt -
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.
Processes:
com.pygt.rcsy.qeytdescription ioc process Framework service call android.app.IActivityManager.getRunningAppProcesses com.pygt.rcsy.qeyt -
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.
Processes:
com.pygt.rcsy.qeytdescription ioc process Framework service call android.net.wifi.IWifiManager.getConnectionInfo com.pygt.rcsy.qeyt -
Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
Processes:
com.pygt.rcsy.qeytdescription ioc process Framework service call android.app.IActivityManager.registerReceiver com.pygt.rcsy.qeyt -
Checks if the internet connection is available 1 TTPs 1 IoCs
Processes:
com.pygt.rcsy.qeytdescription ioc process Framework service call android.net.IConnectivityManager.getActiveNetworkInfo com.pygt.rcsy.qeyt -
Domain associated with commercial stalkerware software, includes indicators from echap.eu.org 2 IoCs
Processes:
flow ioc 11 alog.umeng.com 43 alog.umeng.com
Processes
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com.pygt.rcsy.qeyt1⤵
- Removes its main activity from the application launcher
- Checks CPU information
- Loads dropped Dex/Jar
- Queries account information for other applications stored on the device
- 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
PID:4284 -
/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.pygt.rcsy.qeyt/app_mjf/dz.jar --output-vdex-fd=47 --oat-fd=48 --oat-location=/data/user/0/com.pygt.rcsy.qeyt/app_mjf/oat/x86/dz.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4320
-
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com.pygt.rcsy.qeyt:daemon1⤵
- Loads dropped Dex/Jar
PID:4362
Network
MITRE ATT&CK Mobile v15
Defense Evasion
Download New Code at Runtime
1Hide Artifacts
1Suppress Application Icon
1Virtualization/Sandbox Evasion
1System Checks
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
105KB
MD523ba0b249042b7ba33e92c0199b0ea4a
SHA199b13ee9f7307316c2337953fceed87e9942b794
SHA2561ed0751a141b17c80a921f5e8ba90c66a56b8e73156f5cbe133b57d550ca4ef2
SHA5120cc88e2b7c2ffa4db274d690e3bf12098ec804b9fcd9e92b57d2fa0c4161031d2e84c91d86ba8e2b6e8b4837852defa099333f76bcd454c67b31632d0cdd4861
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Filesize
609B
MD52671b47f816e8d05a210c60799236650
SHA155508f1aee66b35d14935ef1b82eb3ef97e09b91
SHA256993abe3590aae044b9b08d15b7d2dd280770f0423ce7a5003b8d53850c02575e
SHA512c1f47ebfb4676b6869d4d07bf2be47fccf39666bd5ddf82fc8fc9aa5fafe7f97db29e1a77887a838bf02e3f61219d11bb7fb4716156f81f2358c819d876c49ca
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Filesize
105KB
MD5293ea5f01e27975bed5179ba79d80eac
SHA1c5b0806a537fd1cb753e11f1a9684933317716b8
SHA2568d86de68978e859c8262c0d0e932d3a1d57457b57ce88940620befab1bcead5b
SHA512c7cd2881367fdf95ec4151449b359decdae1adf136388edbaaa9880c7ebd14fb3579e7a15600a856988c55d207f7ba1fd7d938f4d9168aba8a7ff1c3029d6b53
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Filesize
4KB
MD5f2b4b0190b9f384ca885f0c8c9b14700
SHA1934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA2560a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1
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Filesize
512B
MD57849583a9e04fe85790ae3098fcddc7c
SHA1a7772bc8ddb82ba35c4a4fde5505f8ce64ec7de1
SHA256fc08888a18cbaa96fae6757143793ba673893230ae28896bd74288b54eaeaf84
SHA5126a4013e59ecc8464b557bfaa1c1a7f7f7a73b490378b25bd06ca0a35a908aa53f6a36552c2244b6ab3157da9310a20a71cc7feb81a0cc8a77ffd7575a14c23d6
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Filesize
32KB
MD5bb7df04e1b0a2570657527a7e108ae23
SHA15188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012
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Filesize
60KB
MD5f2a5976bcb76d588b22a1eda52b28f9c
SHA150277ff65a02e8d93e5ed2810b563b5c45573f3e
SHA25690edad814a1cd0a44c96126f39df0ed1a3818b7cc33401d53c75b31c3096d68c
SHA512b18f8bb85823397bbdf942056978cd9cfce2a7d201f897d8fd8facc7422ca8667144a4b2d8bbd673af27adbd33b2e24b1128522399018883d289842bf948efc4
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Filesize
684B
MD594dacc4b5d0a83ef38880b00ff643881
SHA15a639a86335c10b8696145308f009f70c2db5146
SHA256f7da454ff355ba5c3a5f515b7a3bacb84388af1a2f0f3c5155b2e2de65776385
SHA512e1718fedce05ba93cced17dfdb0b332b82e91dfc90f85c40de807b09c888ee061825aa4e588f2553e533ee091537c00eac2b951a7602355cc43a52f3237084ed
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Filesize
162B
MD553a9c432cdc26a1cefa78df5817b1a50
SHA138b6f37eced42eb6fd37efecd06310179fcb0d9f
SHA25649e0ce21c3a44aaef59f80b4f15ab9fc41ac89ed443d126ccaef3a18bf7a9596
SHA51288c40dc578133d029637cf8bb6bd1b297dbe3eb2aeebb2e3fc4a6b2209f532b9907432f380891e5460c03e8b234dcf19a2c4f31500865ce3f6d182a545357d31
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Filesize
867B
MD5a9904aa3dc124bf5b29382b2f7bac998
SHA1eee5b3cf04b166cd901ba7e33e706ddd02450e32
SHA256adea0e7dc3198f33cfed2fc234bc0b2d6327ab7d53ffdc4d66cd39f107a418aa
SHA512ac931aba74644e0542f8d1e02f05d9a09a270cfd5ebe6b870f4ec1139f8d107630ced31aa3dd32652c5408a0b3d5d116756ea84779d592a93fe2e67c9006bb72
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Filesize
415B
MD5b52eead4f36265b7b7544a444d9b4aab
SHA1259be4f5154009f0cd20d0ea3455026a6604a694
SHA256a633f1854b079802ab54e418c95f291bc46a65e49f6ea1c7ec3c8df7b7985091
SHA512cf8a1604b4b38aa14ef0e6ad5c01d84df86209858f661ac9df39824c93556d3ec07781d0f53cb76fbfff390e674d69d2f4c6a629bbf70db868de903145c9b8a2
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Filesize
248KB
MD59b47e78a6ff90cce5755ce4742047627
SHA1831b24aa9e116eb8d7065efd430088d419dfd6c7
SHA25630d7699b73fd7f276945415c405c12bff69c5958d12f56265a768443f6fd8cae
SHA5124587a5b26f13cbd0524eade71ed29203fc55029fe150fce850016aa7d9c578623cdc4b6a551bed3dec9e31a39563f8927cfcc9d21e2d83c2c781808b958446fc
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Filesize
248KB
MD5a54a18b58c6720991c021f433dfb2a46
SHA1d2ffa07919f92b6e04914e39843f08fdb2a75b68
SHA2563dd88e4418bd4271af728fc6436c873a55e6b6f5c8ed241ee2cb0ee24fe3f7f3
SHA512e4a51b2462b247b1e5fbd947d06a2eba334f18398daadacbabcb4185f4255f05c22d656a8837a6088ffbdcaedfbdfbd8281c5dad4880c4e5021571e3fefc88cc