Analysis Overview
SHA256
ce3061ddfc486252922f8b14592562acca85c0ab3bcfe3197987a2d90530d8e9
Threat Level: Shows suspicious behavior
The file 843a8935104389f6ddc034f14280bc80_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped Dex/Jar
Queries information about the current Wi-Fi connection
Checks memory information
Registers a broadcast receiver at runtime (usually for listening for system events)
Checks CPU information
Requests dangerous framework permissions
Checks if the internet connection is available
Listens for changes in the sensor environment (might be used to detect emulation)
Uses Crypto APIs (Might try to encrypt user data)
MITRE ATT&CK
Mobile Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-30 12:59
Signatures
Requests dangerous framework permissions
| Description | Indicator | Process | Target |
| Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. | android.permission.READ_PHONE_STATE | N/A | N/A |
| Allows an application to write to external storage. | android.permission.WRITE_EXTERNAL_STORAGE | N/A | N/A |
| Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. | android.permission.SYSTEM_ALERT_WINDOW | N/A | N/A |
| Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. | android.permission.READ_PHONE_STATE | N/A | N/A |
| Allows an application to write to external storage. | android.permission.WRITE_EXTERNAL_STORAGE | N/A | N/A |
| Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. | android.permission.SYSTEM_ALERT_WINDOW | N/A | N/A |
| Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. | android.permission.READ_PHONE_STATE | N/A | N/A |
| Allows an application to write to external storage. | android.permission.WRITE_EXTERNAL_STORAGE | N/A | N/A |
| Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. | android.permission.SYSTEM_ALERT_WINDOW | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-30 12:59
Reported
2024-05-30 13:02
Platform
android-x86-arm-20240514-en
Max time kernel
179s
Max time network
139s
Command Line
Signatures
Checks CPU information
| Description | Indicator | Process | Target |
| File opened for read | /proc/cpuinfo | N/A | N/A |
Checks memory information
| Description | Indicator | Process | Target |
| File opened for read | /proc/meminfo | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/user/0/com.yunshu.ku.che/files/com.yunshu.ku.che.bc.jar | N/A | N/A |
| N/A | /data/user/0/com.yunshu.ku.che/files/com.yunshu.ku.che.bc.jar | N/A | N/A |
Queries information about the current Wi-Fi connection
| Description | Indicator | Process | Target |
| Framework service call | android.net.wifi.IWifiManager.getConnectionInfo | N/A | N/A |
Registers a broadcast receiver at runtime (usually for listening for system events)
| Description | Indicator | Process | Target |
| Framework service call | android.app.IActivityManager.registerReceiver | N/A | N/A |
Checks if the internet connection is available
| Description | Indicator | Process | Target |
| Framework service call | android.net.IConnectivityManager.getActiveNetworkInfo | N/A | N/A |
Listens for changes in the sensor environment (might be used to detect emulation)
| Description | Indicator | Process | Target |
| Framework API call | android.hardware.SensorManager.registerListener | N/A | N/A |
Uses Crypto APIs (Might try to encrypt user data)
| Description | Indicator | Process | Target |
| Framework API call | javax.crypto.Cipher.doFinal | N/A | N/A |
Processes
com.yunshu.ku.che
/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.yunshu.ku.che/files/com.yunshu.ku.che.bc.jar --output-vdex-fd=45 --oat-fd=46 --oat-location=/data/user/0/com.yunshu.ku.che/files/oat/x86/com.yunshu.ku.che.bc.odex --compiler-filter=quicken --class-loader-context=&
Network
| Country | Destination | Domain | Proto |
| GB | 216.58.213.3:443 | tcp | |
| GB | 142.250.200.42:443 | tcp | |
| GB | 142.250.200.42:443 | tcp | |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | ic.ie.027ie.com | udp |
| US | 1.1.1.1:53 | stats.unity3d.com | udp |
| GB | 172.217.169.46:80 | www.google-analytics.com | tcp |
| US | 1.1.1.1:53 | api.twitter.com | udp |
| US | 104.244.42.194:443 | api.twitter.com | tcp |
| GB | 172.217.169.14:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.187.206:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | news.volvogroup.com | udp |
| SE | 153.112.187.161:80 | news.volvogroup.com | tcp |
| US | 1.1.1.1:53 | www.volvogroup.com | udp |
| GB | 2.16.34.123:80 | www.volvogroup.com | tcp |
| GB | 2.16.34.123:443 | www.volvogroup.com | tcp |
Files
/data/data/com.yunshu.ku.che/files/com.yunshu.ku.che.bc.jar
| MD5 | 0dc26a6353349f37f043607e1da7c3e7 |
| SHA1 | 371cc39e8be5b61871cdf124c3e0443606e9874b |
| SHA256 | cd6e766a792ba83dd2538ee95300d15f025368b49854ba0390b5f24e8a8bed59 |
| SHA512 | 80e6894b90cacd7ec7dd172db6a4270f11a9574006dff15858fa8f1cee5f873fdfbc05df206967f67f68ed776adbc79ae54f7c751327880a89ed1a8634267f02 |
/data/user/0/com.yunshu.ku.che/files/com.yunshu.ku.che.bc.jar
| MD5 | 877237b39ad40b467e0ce741a5b8dea3 |
| SHA1 | 11aa0735af41ea8fa99d51b566b415d9bb9d99d7 |
| SHA256 | 9dac30cf58a7afe1e88d3e8963e08dfdbf781f2fdf9dbc8da5246ad15a306c35 |
| SHA512 | e55a40fa06c491c44d36801a4c3469b94066b459722e0c0ccac87631e905aae2dc7d1de25cc1026acef0531ab5a87bd7a06be1da00849d15dee45f289f1df193 |
/data/user/0/com.yunshu.ku.che/files/com.yunshu.ku.che.bc.jar
| MD5 | fde90bc4785b4ebf431f82e96c391960 |
| SHA1 | 9cedba561079d07f1bf358b16c61de33bd6bde52 |
| SHA256 | eb557a82cbf91bc1594811fd2eb6a3d137287236c316cf4330693176bdb373c7 |
| SHA512 | f7c695fd4acb45f3698d6c1c46637d4782af858a23620653f4b2e45f001eb5f99673a2d5ff4d74abc752fd6823e6257a240dc19af65dba29abd5805b2edf7ce5 |
/data/data/com.yunshu.ku.che/files/oat/com.yunshu.ku.che.bc.jar.cur.prof
| MD5 | 4835ccd7fc55c83562183c89ede5d691 |
| SHA1 | 44eb5e7ac5fabc2196eb95a9bd7cd34c05aa2753 |
| SHA256 | 2cd523a425414039cb38b1bcb0128d47ed86cdf4b8088c4b442e33c687b0cd6e |
| SHA512 | bad17f784e2def4689dbd75a19cfc92a65a1ed15e688f8258536fcc1a80bc96f5d17efccf7fbdb2a74d51b0c740980d42f263978f79417bd7ce8065bc27dbb40 |