Analysis Overview
SHA256
8d06809f05039a050b9635d6fd2a22648dcae4f8c5962a35233cbb1efed437a4
Threat Level: Known bad
The file 292b6e8ff3435540c5c08038a5bdb38b.apk was found to be: Known bad.
Malicious Activity Summary
Hydra family
Hydra
Hydra payload
Makes use of the framework's Accessibility service
Loads dropped Dex/Jar
Queries information about active data network
Declares services with permission to bind to the system
Queries the mobile country code (MCC)
Requests dangerous framework permissions
Declares broadcast receivers with permission to handle system events
Reads information about phone network operator.
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Registers a broadcast receiver at runtime (usually for listening for system events)
Analysis: static1
Detonation Overview
Reported
2024-12-19 11:11
Signatures
Declares broadcast receivers with permission to handle system events
| Description | Indicator | Process | Target |
| Required by device admin receivers to bind with the system. Allows apps to manage device administration features. | android.permission.BIND_DEVICE_ADMIN | N/A | N/A |
Declares services with permission to bind to the system
| Description | Indicator | Process | Target |
| Required by VPN services to bind with the system. Allows apps to provision VPN services. | android.permission.BIND_VPN_SERVICE | N/A | N/A |
| Required by notification listener services to bind with the system. Allows apps to listen to and interact with notifications on the device. | android.permission.BIND_NOTIFICATION_LISTENER_SERVICE | N/A | N/A |
| Required by accessibility services to bind with the system. Allows apps to access accessibility features. | android.permission.BIND_ACCESSIBILITY_SERVICE | N/A | N/A |
| Required by VPN services to bind with the system. Allows apps to provision VPN services. | android.permission.BIND_VPN_SERVICE | N/A | N/A |
Requests dangerous framework permissions
| Description | Indicator | Process | Target |
| Allows an application to send SMS messages. | android.permission.SEND_SMS | N/A | N/A |
| Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. | android.permission.CALL_PHONE | N/A | N/A |
| Allows an application to record audio. | android.permission.RECORD_AUDIO | N/A | N/A |
| Allows an application to receive SMS messages. | android.permission.RECEIVE_SMS | N/A | N/A |
| Allows an app to access precise location. | android.permission.ACCESS_FINE_LOCATION | N/A | N/A |
| Allows an application to read SMS messages. | android.permission.READ_SMS | N/A | N/A |
| Allows an application to request installing packages. | android.permission.REQUEST_INSTALL_PACKAGES | N/A | N/A |
| Allows an app to access location in the background. | android.permission.ACCESS_BACKGROUND_LOCATION | N/A | N/A |
| Allows an app to access approximate location. | android.permission.ACCESS_COARSE_LOCATION | N/A | N/A |
| Allows an application to write to external storage. | android.permission.WRITE_EXTERNAL_STORAGE | N/A | N/A |
| Allows an application to read the user's contacts data. | android.permission.READ_CONTACTS | N/A | N/A |
| Allows read access to the device's phone number(s). | android.permission.READ_PHONE_NUMBERS | 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
2024-12-19 11:11
Reported
2024-12-19 11:14
Platform
android-x86-arm-20240624-en
Max time kernel
148s
Max time network
147s
Command Line
Signatures
Hydra
Hydra family
Hydra payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/user/0/com.rude.stamp/app_DynamicOptDex/oBERE.json | N/A | N/A |
| N/A | /data/user/0/com.rude.stamp/app_DynamicOptDex/oBERE.json | N/A | N/A |
Makes use of the framework's Accessibility service
| Description | Indicator | Process | Target |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId | N/A | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.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 |
Queries the mobile country code (MCC)
| Description | Indicator | Process | Target |
| Framework service call | com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone | 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 |
Processes
com.rude.stamp
/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.rude.stamp/app_DynamicOptDex/oBERE.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.rude.stamp/app_DynamicOptDex/oat/x86/oBERE.odex --compiler-filter=quicken --class-loader-context=&
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | raw.githubusercontent.com | udp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| GB | 216.58.204.78:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.200.46:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
Files
/data/data/com.rude.stamp/app_DynamicOptDex/oBERE.json
| MD5 | becbf1d1e2ab80bd84d9abc4a1926784 |
| SHA1 | 499e267e537d1ecc094f60b07e54fca71491c39d |
| SHA256 | f8e55182f9092b24aebc857f21fd0abac829749add655e828e7cfd2d01c29d71 |
| SHA512 | cdd25ed40c372bb3d55fc759dcecaf5839d05d784b6d22fb1c0aaa9760c2a00b20f78e11ce7f8af06b0741d1b7e0bacdac9bcadcef195745e6d4830f9f40067f |
/data/data/com.rude.stamp/app_DynamicOptDex/oBERE.json
| MD5 | 0f4d94abed91a3e6cf3f59bdb53e446f |
| SHA1 | d3d13ca825171e01f7fad23dfaeb0321eb5a10cf |
| SHA256 | 876270bb0879a2d6291f9ef75014d6367d0b959ae36f16088134cf9539284234 |
| SHA512 | 262eae496c91948fd1c2096a13165f0ad7b7e64570c40ddcbdcf2dedce55a170d5a1a9cc01568471e36857ee15e21469cde9460e9b826661d420fc4da9eec361 |
/data/user/0/com.rude.stamp/app_DynamicOptDex/oBERE.json
| MD5 | 10c5c7ee79684a25651ed7acd4004183 |
| SHA1 | 7e9686ffd78e2d112eda3ada566bb09aa439755d |
| SHA256 | 335fc3d13f9be5844768a4ce80bfd36dec66dc474ac7c34459a3dc3c59858000 |
| SHA512 | 807ded0e6e6cc63ac1b851cdbee8b6534c73757a3153d983aa65f640819b65f1cdba851e1bc690118a87ee3c2579351ddf726a0eb0d2d24cefcfd9a005067702 |
/data/user/0/com.rude.stamp/app_DynamicOptDex/oBERE.json
| MD5 | 22c44cd9c5067a3e6dfc38087ba55a57 |
| SHA1 | 5678fa9bfc7bc203ab120928f16332f0ee559151 |
| SHA256 | e159b2e101ec004d3d334fbece1be2b82a5a5b448eab694c2519e92ebafe3263 |
| SHA512 | 0ce6a6cb44a01ad69008fb7cf68f3b19ad0d63efaed87d99d8faed00c6264c9713fb1e37e49ea29154ab57db3520e8fff17acebfd4fae7355715a76b98ae4cf8 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-19 11:11
Reported
2024-12-19 11:14
Platform
android-x64-20240624-en
Max time kernel
144s
Max time network
146s
Command Line
Signatures
Hydra
Hydra family
Hydra payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/user/0/com.rude.stamp/app_DynamicOptDex/oBERE.json | N/A | N/A |
Makes use of the framework's Accessibility service
| Description | Indicator | Process | Target |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId | N/A | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.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 |
Queries the mobile country code (MCC)
| Description | Indicator | Process | Target |
| Framework service call | com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone | N/A | N/A |
Reads information about phone network operator.
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 |
Processes
com.rude.stamp
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| GB | 142.250.200.40:443 | ssl.google-analytics.com | tcp |
| US | 1.1.1.1:53 | raw.githubusercontent.com | udp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| GB | 142.250.187.238:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.179.238:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| GB | 142.250.179.228:443 | tcp | |
| GB | 142.250.179.228:443 | tcp | |
| GB | 142.250.179.228:443 | tcp | |
| GB | 142.250.179.228:443 | tcp | |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
Files
/data/data/com.rude.stamp/app_DynamicOptDex/oBERE.json
| MD5 | becbf1d1e2ab80bd84d9abc4a1926784 |
| SHA1 | 499e267e537d1ecc094f60b07e54fca71491c39d |
| SHA256 | f8e55182f9092b24aebc857f21fd0abac829749add655e828e7cfd2d01c29d71 |
| SHA512 | cdd25ed40c372bb3d55fc759dcecaf5839d05d784b6d22fb1c0aaa9760c2a00b20f78e11ce7f8af06b0741d1b7e0bacdac9bcadcef195745e6d4830f9f40067f |
/data/data/com.rude.stamp/app_DynamicOptDex/oBERE.json
| MD5 | 0f4d94abed91a3e6cf3f59bdb53e446f |
| SHA1 | d3d13ca825171e01f7fad23dfaeb0321eb5a10cf |
| SHA256 | 876270bb0879a2d6291f9ef75014d6367d0b959ae36f16088134cf9539284234 |
| SHA512 | 262eae496c91948fd1c2096a13165f0ad7b7e64570c40ddcbdcf2dedce55a170d5a1a9cc01568471e36857ee15e21469cde9460e9b826661d420fc4da9eec361 |
/data/user/0/com.rude.stamp/app_DynamicOptDex/oBERE.json
| MD5 | 10c5c7ee79684a25651ed7acd4004183 |
| SHA1 | 7e9686ffd78e2d112eda3ada566bb09aa439755d |
| SHA256 | 335fc3d13f9be5844768a4ce80bfd36dec66dc474ac7c34459a3dc3c59858000 |
| SHA512 | 807ded0e6e6cc63ac1b851cdbee8b6534c73757a3153d983aa65f640819b65f1cdba851e1bc690118a87ee3c2579351ddf726a0eb0d2d24cefcfd9a005067702 |
/data/data/com.rude.stamp/app_DynamicOptDex/oat/oBERE.json.cur.prof
| MD5 | 55e52e639266c57f736e77c4be1b1f13 |
| SHA1 | 1d29064756f442e715b2e5aaeb9bbff7b8959ccb |
| SHA256 | d3f6cac154218cd46a07096fc43d1ae9695428067b899033e802963803964abf |
| SHA512 | 986fea669090447479fc43eb09024b11ad2b2412788130352a8b88e7298325c3777e6490298a5cfba9806ae6439d24bd2b06e52c31d0d568c003e23287d65966 |
Analysis: behavioral3
Detonation Overview
Submitted
2024-12-19 11:11
Reported
2024-12-19 11:12
Platform
android-x64-arm64-20240624-en
Max time kernel
52s
Max time network
63s
Command Line
Signatures
Hydra
Hydra family
Hydra payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/user/0/com.rude.stamp/app_DynamicOptDex/oBERE.json | N/A | N/A |
Makes use of the framework's Accessibility service
| Description | Indicator | Process | Target |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText | N/A | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.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 |
Queries the mobile country code (MCC)
| Description | Indicator | Process | Target |
| Framework service call | com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone | N/A | N/A |
Reads information about phone network operator.
Processes
com.rude.stamp
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| GB | 172.217.16.238:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| GB | 142.250.200.46:443 | android.apis.google.com | tcp |
| GB | 142.250.200.46:443 | android.apis.google.com | tcp |
| GB | 172.217.169.42:443 | tcp | |
| GB | 172.217.169.42:443 | tcp | |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| GB | 172.217.169.40:443 | ssl.google-analytics.com | tcp |
| US | 1.1.1.1:53 | raw.githubusercontent.com | udp |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 1.1.1.1:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| GB | 142.250.187.196:443 | tcp | |
| GB | 142.250.187.196:443 | tcp | |
| GB | 142.250.187.196:443 | tcp | |
| GB | 142.250.187.196:443 | tcp | |
| US | 185.199.109.133:443 | raw.githubusercontent.com | tcp |
| US | 1.1.1.1:53 | accounts.google.com | udp |
| BE | 108.177.15.84:443 | accounts.google.com | tcp |
Files
/data/user/0/com.rude.stamp/app_DynamicOptDex/oBERE.json
| MD5 | becbf1d1e2ab80bd84d9abc4a1926784 |
| SHA1 | 499e267e537d1ecc094f60b07e54fca71491c39d |
| SHA256 | f8e55182f9092b24aebc857f21fd0abac829749add655e828e7cfd2d01c29d71 |
| SHA512 | cdd25ed40c372bb3d55fc759dcecaf5839d05d784b6d22fb1c0aaa9760c2a00b20f78e11ce7f8af06b0741d1b7e0bacdac9bcadcef195745e6d4830f9f40067f |
/data/user/0/com.rude.stamp/app_DynamicOptDex/oBERE.json
| MD5 | 0f4d94abed91a3e6cf3f59bdb53e446f |
| SHA1 | d3d13ca825171e01f7fad23dfaeb0321eb5a10cf |
| SHA256 | 876270bb0879a2d6291f9ef75014d6367d0b959ae36f16088134cf9539284234 |
| SHA512 | 262eae496c91948fd1c2096a13165f0ad7b7e64570c40ddcbdcf2dedce55a170d5a1a9cc01568471e36857ee15e21469cde9460e9b826661d420fc4da9eec361 |
/data/user/0/com.rude.stamp/app_DynamicOptDex/oBERE.json
| MD5 | 10c5c7ee79684a25651ed7acd4004183 |
| SHA1 | 7e9686ffd78e2d112eda3ada566bb09aa439755d |
| SHA256 | 335fc3d13f9be5844768a4ce80bfd36dec66dc474ac7c34459a3dc3c59858000 |
| SHA512 | 807ded0e6e6cc63ac1b851cdbee8b6534c73757a3153d983aa65f640819b65f1cdba851e1bc690118a87ee3c2579351ddf726a0eb0d2d24cefcfd9a005067702 |
/data/user/0/com.rude.stamp/app_DynamicOptDex/oat/oBERE.json.cur.prof
| MD5 | a541f058500ac0b5c09475565190be3c |
| SHA1 | ca70fea27249ebc29a68c4ca0f643df29e7be2a0 |
| SHA256 | 48fca10a11cfadef90ac14745ca0765e71d1d2e72758068d850d3a7a87928623 |
| SHA512 | 4812eb9c3fd90523ac98ee36c10d1451c900bb35a3ff6aa3cf9f13ea3622d8b991381ce96d83b047c1945107d145b5c6817baf0d1ff5d043522ea86b04db3169 |