Analysis Overview
SHA256
5bc566c1d63a5d7deca7d3778418fc719a02dedd8b8838f1b612b31c6e0a1387
Threat Level: Shows suspicious behavior
The file 9a164185c82a900d4c6cb0e55366aa0c_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Requests dangerous framework permissions
Domain associated with commercial stalkerware software, includes indicators from echap.eu.org
Queries information about active data network
Uses Crypto APIs (Might try to encrypt user data)
MITRE ATT&CK
Mobile Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-06 05:48
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 access approximate location. | android.permission.ACCESS_COARSE_LOCATION | N/A | N/A |
| Allows an app to access precise location. | android.permission.ACCESS_FINE_LOCATION | N/A | N/A |
| Required to be able to access the camera device. | android.permission.CAMERA | N/A | N/A |
| Allows an application to record audio. | android.permission.RECORD_AUDIO | 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 read or write the system settings. | android.permission.WRITE_SETTINGS | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-06 05:48
Reported
2024-06-06 06:53
Platform
android-x86-arm-20240603-en
Max time kernel
33s
Max time network
130s
Command Line
Signatures
Domain associated with commercial stalkerware software, includes indicators from echap.eu.org
| Description | Indicator | Process | Target |
| N/A | f.appjiagu.com | N/A | N/A |
Queries information about active data network
| Description | Indicator | Process | Target |
| Framework service call | android.net.IConnectivityManager.getActiveNetworkInfo | 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.kuaishou.help
chmod 755 /data/user/0/com.kuaishou.help/.jiagu/libjiagu.so
chmod 755 /data/user/0/com.kuaishou.help/.jiagu/libjiagu.so
/system/bin/dex2oat --instruction-set=x86 --dex-file=/data/data/com.kuaishou.help/.jiagu/classes.dex --dex-file=/data/data/com.kuaishou.help/.jiagu/classes.dex!classes2.dex --oat-file=/data/data/com.kuaishou.help/.jiagu/oat/x86/classes.odex --inline-max-code-units=0 --compiler-filter=speed
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| GB | 142.250.187.234:443 | tcp | |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | f.appjiagu.com | udp |
| CN | 180.163.249.208:80 | f.appjiagu.com | tcp |
| CN | 106.63.25.33:80 | f.appjiagu.com | tcp |
| CN | 180.163.249.208:80 | f.appjiagu.com | tcp |
| GB | 142.250.200.46:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.187.206:443 | android.apis.google.com | tcp |
| CN | 106.63.25.33:80 | f.appjiagu.com | tcp |
| CN | 180.163.249.208:80 | f.appjiagu.com | tcp |
| CN | 106.63.25.33:80 | f.appjiagu.com | tcp |
Files
/data/data/com.kuaishou.help/.jiagu/libjiagu.so
| MD5 | acd3a64e22c56dc0628edd7615a74ab4 |
| SHA1 | ec22ef7fa9dca4b475af2724d483bda140370ca7 |
| SHA256 | c57cffd4175fcd618f29d48eeba1b8b30e2bfd4ce9e05c6c5b0bc4378914d008 |
| SHA512 | ec93027efd827742d3f9db70c4d4aba51e817191ff888aa2337939f2ce518b98f1c1f7ed3d49d25d3bff47738f68ead6348b1b309c54a17e18c4460cc2142e3e |
/data/data/com.kuaishou.help/.jiagu/classes.dex
| MD5 | 966cb46dece50309735d13575d31dafd |
| SHA1 | 3a48ab8002ed5608cc45b99880589d2a0d73d74d |
| SHA256 | 62c54a8b26ac07944609c409eabdc39e8d974259bf949ee000904a08a49b8215 |
| SHA512 | efd5be38a5feaf1d1b9274ed20467c30c0ed655b72bffbce5c479d6119140330329d903b4d01c8f8b32563c8b98a164c21d79fd19ad4b548eeec3750933661a4 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-06 05:48
Reported
2024-06-06 06:54
Platform
android-x64-arm64-20240603-en
Max time kernel
32s
Max time network
132s
Command Line
Signatures
Domain associated with commercial stalkerware software, includes indicators from echap.eu.org
| Description | Indicator | Process | Target |
| N/A | f.appjiagu.com | N/A | N/A |
Queries information about active data network
| Description | Indicator | Process | Target |
| Framework service call | android.net.IConnectivityManager.getActiveNetworkInfo | 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.kuaishou.help
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| GB | 172.217.16.238:443 | tcp | |
| GB | 172.217.16.238:443 | tcp | |
| US | 1.1.1.1:53 | f.appjiagu.com | udp |
| CN | 180.163.249.208:80 | f.appjiagu.com | tcp |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| GB | 172.217.16.232:443 | ssl.google-analytics.com | tcp |
| CN | 106.63.25.33:80 | f.appjiagu.com | tcp |
| CN | 180.163.249.208:80 | f.appjiagu.com | tcp |
| CN | 106.63.25.33:80 | f.appjiagu.com | tcp |
| CN | 180.163.249.208:80 | f.appjiagu.com | tcp |
| CN | 106.63.25.33:80 | f.appjiagu.com | tcp |
| GB | 172.217.169.68:443 | tcp | |
| GB | 172.217.169.68:443 | tcp |
Files
/data/user/0/com.kuaishou.help/.jiagu/libjiagu.so
| MD5 | acd3a64e22c56dc0628edd7615a74ab4 |
| SHA1 | ec22ef7fa9dca4b475af2724d483bda140370ca7 |
| SHA256 | c57cffd4175fcd618f29d48eeba1b8b30e2bfd4ce9e05c6c5b0bc4378914d008 |
| SHA512 | ec93027efd827742d3f9db70c4d4aba51e817191ff888aa2337939f2ce518b98f1c1f7ed3d49d25d3bff47738f68ead6348b1b309c54a17e18c4460cc2142e3e |
/data/data/com.kuaishou.help/.jiagu/classes.dex
| MD5 | 966cb46dece50309735d13575d31dafd |
| SHA1 | 3a48ab8002ed5608cc45b99880589d2a0d73d74d |
| SHA256 | 62c54a8b26ac07944609c409eabdc39e8d974259bf949ee000904a08a49b8215 |
| SHA512 | efd5be38a5feaf1d1b9274ed20467c30c0ed655b72bffbce5c479d6119140330329d903b4d01c8f8b32563c8b98a164c21d79fd19ad4b548eeec3750933661a4 |