Analysis Overview
SHA256
19605d10876e75e584278116e31b97832c6348054c2505ae9a2aa77a3135aef6
Threat Level: Known bad
The file 19605d10876e75e584278116e31b97832c6348054c2505ae9a2aa77a3135aef6 was found to be: Known bad.
Malicious Activity Summary
TangleBot payload
Octo
Tanglebot family
TangleBot
Octo payload
Octo family
Loads dropped Dex/Jar
Makes use of the framework's Accessibility service
Queries the phone number (MSISDN for GSM devices)
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
Checks Android system properties for emulator presence.
Reads information about phone network operator.
Queries the unique device ID (IMEI, MEID, IMSI)
Makes use of the framework's foreground persistence service
Attempts to obfuscate APK file format
Declares services with permission to bind to the system
Declares broadcast receivers with permission to handle system events
Queries the mobile country code (MCC)
Acquires the wake lock
Requests dangerous framework permissions
Registers a broadcast receiver at runtime (usually for listening for system events)
Uses Crypto APIs (Might try to encrypt user data)
Checks CPU information
Checks memory information
MITRE ATT&CK
Mobile Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-27 23:18
Signatures
Attempts to obfuscate APK file format
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 accessibility services to bind with the system. Allows apps to access accessibility features. | android.permission.BIND_ACCESSIBILITY_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 |
Requests dangerous framework permissions
| Description | Indicator | Process | Target |
| Allows an application to request installing packages. | android.permission.REQUEST_INSTALL_PACKAGES | N/A | N/A |
| Allows an application a broad access to external storage in scoped storage. | android.permission.MANAGE_EXTERNAL_STORAGE | N/A | N/A |
| Allows an app to access precise location. | android.permission.ACCESS_FINE_LOCATION | N/A | N/A |
| Allows an application to record audio. | android.permission.RECORD_AUDIO | N/A | N/A |
| Required to be able to connect to paired Bluetooth devices. | android.permission.BLUETOOTH_CONNECT | N/A | N/A |
| Required to be able to access the camera device. | android.permission.CAMERA | N/A | N/A |
| Allows an application to read audio files from external storage. | android.permission.READ_MEDIA_AUDIO | N/A | N/A |
| Allows an application to read image files from external storage. | android.permission.READ_MEDIA_IMAGES | N/A | N/A |
| Allows an application to read image or video files from external storage that a user has selected via the permission prompt photo picker. | android.permission.READ_MEDIA_VISUAL_USER_SELECTED | N/A | N/A |
| Allows an application to access any geographic locations persisted in the user's shared collection. | android.permission.ACCESS_MEDIA_LOCATION | N/A | N/A |
| Allows an app to access approximate location. | android.permission.ACCESS_COARSE_LOCATION | N/A | N/A |
| Allows an app to post notifications. | android.permission.POST_NOTIFICATIONS | N/A | N/A |
| Allows an application to read video files from external storage. | android.permission.READ_MEDIA_VIDEO | N/A | N/A |
| Allows an application to read the user's contacts data. | android.permission.READ_CONTACTS | 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
2024-11-27 23:18
Reported
2024-11-27 23:19
Platform
android-x86-arm-20240624-en
Max time kernel
7s
Max time network
35s
Command Line
Signatures
TangleBot
TangleBot payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Tanglebot family
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/user/0/com.walnut.document/app_kidney/Hj.json | N/A | N/A |
| N/A | /data/user/0/com.walnut.document/app_kidney/Hj.json | N/A | N/A |
Processes
com.walnut.document
/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.walnut.document/app_kidney/Hj.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.walnut.document/app_kidney/oat/x86/Hj.odex --compiler-filter=quicken --class-loader-context=&
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| GB | 216.58.204.74:443 | tcp | |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| GB | 142.250.187.206:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
Files
/data/data/com.walnut.document/app_kidney/Hj.json
| MD5 | a964b1ae4b934a1904456496fee42a49 |
| SHA1 | 830037f4f85130b0b408d26844e4bf5433bd7b08 |
| SHA256 | 30f57febc66a9ff47936654f2917381cda18222e8670f4d77006c8b9e004a0f0 |
| SHA512 | 7ccd704a1b1e8dc413b0a6252e416796ad8769469c1ad4e68ff1e7886a85b9fd11248d668809d23217b7b87edccef1fdf3f4025a687fc8ed3d36aa5ad38c14e3 |
/data/data/com.walnut.document/app_kidney/Hj.json
| MD5 | e1c8658c0ecf7b198a0d2e56ed2aa354 |
| SHA1 | 12d76b3c3b1736e9423940528bab4b65cf381ce1 |
| SHA256 | a5762c300f142ddb65c9b6a494cba432696e0163098953e04dd90747e60030c9 |
| SHA512 | 79fb27774da49abc3960a57e8d16602b8f02112b9bf6ecd14307e685f37072aa50a1e63bd0630cd68a8e8fcfce41935ceaeeae7bb61825d95f59c32ea9c60805 |
/data/user/0/com.walnut.document/app_kidney/Hj.json
| MD5 | 118fe68c141e4958813a16679d197c36 |
| SHA1 | e8c765c07791786fb44523c33353ace376f77e6d |
| SHA256 | bf5d7574bf3e09ab48d98b4230a661cedc6330761304346214700b419b1be208 |
| SHA512 | fa50aed12ecf072854248277e61036bf7bacb6cf23465c8a3bd1fa6d76b56b2e50d2a2c4d8b2004d503fc5b1f95174e51a6c5c696e5d112df665a5e305912b17 |
/data/user/0/com.walnut.document/app_kidney/Hj.json
| MD5 | dd40fff1cfa5cbd88621eff2df43c2b4 |
| SHA1 | 64957fb3a28eb763785d86e7013fda273e8c1646 |
| SHA256 | 369b82a96b75cf578e52de2b19f279b7093136752cd0d001b5aa8c274dfc4265 |
| SHA512 | 60e76962956fbcd28680d39901dd3aa604c4ffbefb5149b51a1d588cdddd56428ad9a1643e420a0b09d3770358b73528133a40d804097dcc36d949c4c6f73973 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-27 23:18
Reported
2024-11-27 23:19
Platform
android-x86-arm-20240624-en
Max time kernel
21s
Max time network
36s
Command Line
Signatures
Octo
Octo family
Octo payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks Android system properties for emulator presence.
| Description | Indicator | Process | Target |
| Accessed system property | key: ro.product.model | N/A | N/A |
Loads dropped Dex/Jar
| Description | Indicator | Process | Target |
| N/A | /data/user/0/com.zreceiver96soundcontacts/app_latin/EJEX.json | N/A | N/A |
| N/A | /data/user/0/com.zreceiver96soundcontacts/app_latin/EJEX.json | N/A | N/A |
| N/A | Anonymous-DexFile@0xc8578000-0xc85fbae4 | 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 |
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
Queries the phone number (MSISDN for GSM devices)
Acquires the wake lock
| Description | Indicator | Process | Target |
| Framework service call | android.os.IPowerManager.acquireWakeLock | N/A | N/A |
Makes use of the framework's foreground persistence service
| Description | Indicator | Process | Target |
| Framework service call | android.app.IActivityManager.setServiceForeground | 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 |
Queries the unique device ID (IMEI, MEID, IMSI)
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 |
Uses Crypto APIs (Might try to encrypt user data)
| Description | Indicator | Process | Target |
| Framework API call | javax.crypto.Cipher.doFinal | N/A | N/A |
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 |
Processes
com.zreceiver96soundcontacts
/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.zreceiver96soundcontacts/app_latin/EJEX.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.zreceiver96soundcontacts/app_latin/oat/x86/EJEX.odex --compiler-filter=quicken --class-loader-context=&
Network
| Country | Destination | Domain | Proto |
| GB | 142.250.180.10:443 | tcp | |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | 9cbba8c695d9176502cfc2d22cc08e14.xyz | udp |
| US | 1.1.1.1:53 | 9cbba8c695d9176502cfc2d22cc08e14.xyz | udp |
| US | 1.1.1.1:53 | 82c77e3982c749966904584503b6d4eb.biz | udp |
| US | 1.1.1.1:53 | 82c77e3982c749966904584503b6d4eb.biz | udp |
| US | 1.1.1.1:53 | 6c6df3c5ebbb3100852ec64722f62131.shop | udp |
| US | 1.1.1.1:53 | 6c6df3c5ebbb3100852ec64722f62131.shop | udp |
| US | 1.1.1.1:53 | 156350786312d7feba2b1c9b7577097b.com | udp |
| US | 1.1.1.1:53 | 156350786312d7feba2b1c9b7577097b.com | udp |
| US | 1.1.1.1:53 | fc218b26ecc036dd530fe66b864602fa.info | udp |
| US | 1.1.1.1:53 | fc218b26ecc036dd530fe66b864602fa.info | udp |
| US | 1.1.1.1:53 | 4642b5c1d0e89bef50c5defea344cc3d.net | udp |
| US | 1.1.1.1:53 | 4642b5c1d0e89bef50c5defea344cc3d.net | udp |
| US | 1.1.1.1:53 | f3878445008c391c7e85238e4ee1b72f.org | udp |
| US | 1.1.1.1:53 | f3878445008c391c7e85238e4ee1b72f.org | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| GB | 216.58.201.110:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | 9cbba8c695d9176502cfc2d22cc08e14.xyz | udp |
| US | 1.1.1.1:53 | 9cbba8c695d9176502cfc2d22cc08e14.xyz | udp |
| US | 1.1.1.1:53 | 4642b5c1d0e89bef50c5defea344cc3d.net | udp |
| US | 1.1.1.1:53 | 4642b5c1d0e89bef50c5defea344cc3d.net | udp |
| US | 1.1.1.1:53 | fc218b26ecc036dd530fe66b864602fa.info | udp |
| US | 1.1.1.1:53 | fc218b26ecc036dd530fe66b864602fa.info | udp |
| US | 1.1.1.1:53 | 6c6df3c5ebbb3100852ec64722f62131.shop | udp |
| US | 1.1.1.1:53 | 6c6df3c5ebbb3100852ec64722f62131.shop | udp |
| US | 1.1.1.1:53 | 156350786312d7feba2b1c9b7577097b.com | udp |
| US | 1.1.1.1:53 | 156350786312d7feba2b1c9b7577097b.com | udp |
| US | 1.1.1.1:53 | f3878445008c391c7e85238e4ee1b72f.org | udp |
| US | 1.1.1.1:53 | f3878445008c391c7e85238e4ee1b72f.org | udp |
| US | 1.1.1.1:53 | 82c77e3982c749966904584503b6d4eb.biz | udp |
| US | 1.1.1.1:53 | 82c77e3982c749966904584503b6d4eb.biz | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| GB | 142.250.178.10:443 | tcp | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
Files
/data/data/com.zreceiver96soundcontacts/app_latin/EJEX.json
| MD5 | d832a074f0c18189b8ad22fc38ed9ecb |
| SHA1 | 0a2a8aadd27593ced29b5f0dca95d3b892eb077b |
| SHA256 | 9cb827430b98aa72322c7ee02360dba91c26ad89d188e11cc65af3a7b48759d8 |
| SHA512 | 1e28a3656ce9c813e2e6d9412adb9d5c66168af73f4d9f0313d1db41c502998802654075a8a50083cd4b77eee5fc4a8cd99a0f3112fb6e6db75f42e11ce7105e |
/data/data/com.zreceiver96soundcontacts/app_latin/EJEX.json
| MD5 | 6e5cc4086ff2dad1000d89c97b6eb58c |
| SHA1 | f297ebba898bc0ec9ce7d4f253cda35e98e76147 |
| SHA256 | d2bf4c155beea24c0b99dc8cca14bd0eb2c3ae90bad48499e76c8787c7b4f7be |
| SHA512 | 7f182ccca5b7ffa0fc2fbfc156ab9a34aa1366b3aae66508cb531f27cec13570c61046f395f77d9164d7a7204166e59a7bfbf8b48bdb8d5dd177c6ca746147b9 |
/data/user/0/com.zreceiver96soundcontacts/app_latin/EJEX.json
| MD5 | 8b851ae922999f19e421de87a22b6ac9 |
| SHA1 | 9198fff2b4bdd9d7844492736c1e1a7d0de4666a |
| SHA256 | 8c10e7ea546ccefb5b0bd71b8ee69ce362a528d71e7aeba809c7b05b9673bb6a |
| SHA512 | 46b7e78c28b3b991898a318a921fddf5615d5497759bf25810b7de5896d62ed0818751c390e5501000ceea2b0704ed153b347cf3ec948c4dbc03e0d52ff7193e |
/data/user/0/com.zreceiver96soundcontacts/app_latin/EJEX.json
| MD5 | f08d32b63129d945402caf05c1f742cb |
| SHA1 | dc6276908e78ebe0b2780b8692fe30968f28ff6d |
| SHA256 | 931564b7fad72b8bb275610f82bdc68dc9aaf191e3e9d30e8a00cb904aece31d |
| SHA512 | 2ae993de156e0a0a8659de22383124114d79eda383e4bb043e81a0333f07db02e6192328ea3350a52314d2429bccf93d7c6b4cb93bf438925171bef0ddcc4046 |
/data/data/com.zreceiver96soundcontacts/files/.n
| MD5 | 4e73947cabb5db3f92ca85004981b754 |
| SHA1 | 6d9667fdb0280ed2dcb782b4683e422a51bdc601 |
| SHA256 | 6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c |
| SHA512 | be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69 |
Anonymous-DexFile@0xc8578000-0xc85fbae4
| MD5 | f7dc9528a65c9692d9c0cd1d8495cfb1 |
| SHA1 | 94b04526df4a11244a07bb7eb2e43382a099954e |
| SHA256 | ee0e5da53f5f387eff24587225a48ab1bcfc86c05d05006fe67c0929b6391be5 |
| SHA512 | 73134e0124f74850ce1a369dcb6cd88f6bcd5f4ded5ddd22a0b7e7c782e8788d5f572c4ae3dc99815045f125d50898a45c152a25a55173ba6cacda8a3687f080 |
/data/data/com.zreceiver96soundcontacts/.global.com.zreceiver96soundcontacts
| MD5 | 046a414913add6f5bb60072c7db819b6 |
| SHA1 | 451ee4f6809260aec622d772fd329c7d0297a842 |
| SHA256 | b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a |
| SHA512 | 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c |