Analysis Overview
SHA256
b6249fa996cb4046bdab37bab5e3b4d43c79ea537f119040c3b3e138149897fd
Threat Level: Likely malicious
The file b6249fa996cb4046bdab37bab5e3b4d43c79ea537f119040c3b3e138149897fd.apk was found to be: Likely malicious.
Malicious Activity Summary
Makes use of the framework's Accessibility service.
Acquires the wake lock.
Requests enabling of the accessibility settings.
Requests dangerous framework permissions
Reads information about phone network operator.
Removes a system notification.
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2023-01-11 09:41
Signatures
Requests dangerous framework permissions
| Description | Indicator | Process | Target |
| 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 read the user's contacts data. | android.permission.READ_CONTACTS | 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2023-01-11 09:41
Reported
2023-01-11 09:42
Platform
android-x86-arm-20220823-en
Max time kernel
2684288s
Max time network
83s
Command Line
Signatures
Makes use of the framework's Accessibility service.
| Description | Indicator | Process | Target |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId | N/A | N/A |
Acquires the wake lock.
| Description | Indicator | Process | Target |
| Framework service call | android.os.IPowerManager.acquireWakeLock | N/A | N/A |
Reads information about phone network operator.
Removes a system notification.
| Description | Indicator | Process | Target |
| Framework service call | android.app.INotificationManager.cancelNotificationWithTag | N/A | N/A |
Processes
com.pdffiller.l2f
Network
| Country | Destination | Domain | Proto |
| N/A | 224.0.0.251:5353 | udp | |
| N/A | 1.1.1.1:53 | android.apis.google.com | udp |
| N/A | 142.251.39.110:443 | android.apis.google.com | tcp |
| N/A | 142.251.39.110:443 | android.apis.google.com | tcp |
| N/A | 1.1.1.1:53 | infinitedata-pa.googleapis.com | udp |
| N/A | 142.251.39.106:443 | infinitedata-pa.googleapis.com | tcp |
| N/A | 1.1.1.1:53 | android.apis.google.com | udp |
| N/A | 1.1.1.1:853 | tcp | |
| N/A | 1.1.1.1:853 | tcp | |
| N/A | 1.1.1.1:853 | tcp | |
| N/A | 149.154.167.99:443 | t.me | tcp |
Files
/data/user/0/com.pdffiller.l2f/shared_prefs/config.xml
| MD5 | 9781ca003f10f8d0c9c1945b63fdca7f |
| SHA1 | 4156cf5dc8d71dbab734d25e5e1598b37a5456f4 |
| SHA256 | 3325d2a819fdd8062c2cdc48a09b995c9b012915bcdf88b1cf9742a7f057c793 |
| SHA512 | 25a9877e274e0e9df29811825bd4f680fa0bf0ae6219527e4f1dcd17d0995d28b2926192d961a06ee5bef2eed73b3f38ec4ffdd0a1cda7ff2a10dc5711ffdf03 |
/data/user/0/com.pdffiller.l2f/shared_prefs/com.pdffiller.l2f_preferences.xml
| MD5 | 9f47baf3a9a6194affde23f6045a061d |
| SHA1 | 5f7777d88f68d11406d777a6221b79c66de22837 |
| SHA256 | 8300e9295420e9621c996b1e23bdc1c65a6707f72e12b73309667f7762917f50 |
| SHA512 | cf224e18a29b3794f07cf96cdb1bbaf1ddaa6c56867429b02e93a173f262377721244383c2aad24ed46c6e9411e0ad8f4fdd7828de7c45c561fabb01836f9348 |
/data/user/0/com.pdffiller.l2f/app_webview/variations_seed_new
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.pdffiller.l2f/app_webview/variations_stamp
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.pdffiller.l2f/app_webview/webview_data.lock
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.pdffiller.l2f/shared_prefs/WebViewChromiumPrefs.xml
| MD5 | 21223e9184445fe043476484cd8cb1f9 |
| SHA1 | 2b4813f849121d60ba35eb0889080668bb62c778 |
| SHA256 | bb61b7c087c2ae2de93a7740ff75707342940557146366e92b840284cd9446af |
| SHA512 | be21408de0cc643650e5d9ab9057a8f9de88e37fbdc6417cfeba160402ec4cd14fccbc82cbbfd941ecfc0bb3d4056ee61ac199efdc99d647d53e65818835fd48 |
/data/user/0/com.pdffiller.l2f/app_webview/Web Data
| MD5 | dc79f9ce5f3ab5270b33e61119dfc959 |
| SHA1 | 1844bf222a5144b513dcf2fb50a18c011701c647 |
| SHA256 | 47e65f4de08deabfd52ecdb8b0a29c61c482188b92c36182e2112ca0a8f4ff65 |
| SHA512 | 18b8894a7f35df516f423bbdebf1e05ce09eaf4345b139e59e603cadb81f8d1fa20f793438c28e8fd9a64e64f0684223d90ce6f10d3f93cb0c781049a8cff03e |
/data/user/0/com.pdffiller.l2f/app_webview/Web Data-journal
| MD5 | 57435ed1bd60dbbc87782676f49fb496 |
| SHA1 | ecc35fb814a4c999e0c3a7928083e44cb8e5a24c |
| SHA256 | 33fc32fd618d4afe707a169e977fe3cf969003eb82d90f6d7ba26e87ccfd15de |
| SHA512 | ae400d697da5783b9df21987a9dc6c02e4ffa6af01912be13b2576e63ee2c43812fb3420625bd9725f1e199319ef925b3bb409b4e166662ba2b6c401c646fb26 |
/data/user/0/com.pdffiller.l2f/app_webview/metrics_guid
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.pdffiller.l2f/app_webview/metrics_guid
| MD5 | 757a1847a0b8c5b35486b914318a125d |
| SHA1 | c0e2d9da4453c0cb779e9c4167f72b7141ac415f |
| SHA256 | 8a6a26157907c04765c7de8276c5fe15f58d2f79ddecb0ffec732f2c85d08ee0 |
| SHA512 | 7d1f1ce1a04d421b78f11477a0225e3127c7d44ad32022f3a5010e5219b103aacd37b619ee45ea5b0a7c71319006cd6cadcdf509a9de3b6c397f0b8bbbb62916 |
Analysis: behavioral2
Detonation Overview
Submitted
2023-01-11 09:41
Reported
2023-01-11 09:44
Platform
android-x64-arm64-20220823-en
Max time kernel
2687967s
Max time network
154s
Command Line
Signatures
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.findAccessibilityNodeInfosByText | N/A | N/A |
| Framework service call | android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId | N/A | N/A |
Acquires the wake lock.
| Description | Indicator | Process | Target |
| Framework service call | android.os.IPowerManager.acquireWakeLock | N/A | N/A |
Requests enabling of the accessibility settings.
| Description | Indicator | Process | Target |
| Intent action | android.settings.ACCESSIBILITY_SETTINGS | N/A | N/A |
Processes
com.pdffiller.l2f
Network
| Country | Destination | Domain | Proto |
| N/A | 1.1.1.1:53 | android.apis.google.com | udp |
| N/A | 1.1.1.1:53 | android.apis.google.com | udp |
| N/A | 1.1.1.1:53 | android.apis.google.com | udp |
| N/A | 216.58.214.14:443 | android.apis.google.com | tcp |
| N/A | 142.250.179.174:443 | android.apis.google.com | tcp |
| N/A | 224.0.0.251:5353 | udp | |
| N/A | 172.217.168.226:443 | tcp | |
| N/A | 142.251.39.102:443 | tcp | |
| N/A | 216.58.208.106:80 | play.googleapis.com | tcp |
| N/A | 1.1.1.1:53 | infinitedata-pa.googleapis.com | udp |
| N/A | 172.217.168.202:80 | www.googleapis.com | tcp |
| N/A | 1.1.1.1:53 | android.apis.google.com | udp |
| N/A | 142.251.36.14:443 | android.apis.google.com | tcp |
| N/A | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| N/A | 1.1.1.1:53 | infinitedata-pa.googleapis.com | udp |
| N/A | 142.251.36.14:443 | android.apis.google.com | tcp |
| N/A | 1.1.1.1:53 | infinitedata-pa.googleapis.com | udp |
| N/A | 216.58.214.10:443 | infinitedata-pa.googleapis.com | tcp |
| N/A | 1.1.1.1:53 | t.me | udp |
| N/A | 149.154.167.99:443 | t.me | tcp |
| N/A | 1.1.1.1:53 | ssl.google-analytics.com | udp |
Files
/data/user/0/com.pdffiller.l2f/shared_prefs/config.xml
| MD5 | 9781ca003f10f8d0c9c1945b63fdca7f |
| SHA1 | 4156cf5dc8d71dbab734d25e5e1598b37a5456f4 |
| SHA256 | 3325d2a819fdd8062c2cdc48a09b995c9b012915bcdf88b1cf9742a7f057c793 |
| SHA512 | 25a9877e274e0e9df29811825bd4f680fa0bf0ae6219527e4f1dcd17d0995d28b2926192d961a06ee5bef2eed73b3f38ec4ffdd0a1cda7ff2a10dc5711ffdf03 |
/data/user/0/com.pdffiller.l2f/shared_prefs/com.pdffiller.l2f_preferences.xml
| MD5 | 9f47baf3a9a6194affde23f6045a061d |
| SHA1 | 5f7777d88f68d11406d777a6221b79c66de22837 |
| SHA256 | 8300e9295420e9621c996b1e23bdc1c65a6707f72e12b73309667f7762917f50 |
| SHA512 | cf224e18a29b3794f07cf96cdb1bbaf1ddaa6c56867429b02e93a173f262377721244383c2aad24ed46c6e9411e0ad8f4fdd7828de7c45c561fabb01836f9348 |
/data/user/0/com.pdffiller.l2f/app_webview/variations_seed_new
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.pdffiller.l2f/app_webview/variations_stamp
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.pdffiller.l2f/app_webview/webview_data.lock
| MD5 | d57f47ded29b06df5c9a65bcd52589e8 |
| SHA1 | 2e33ffde89dea4fb231971e59a13b8f69836f878 |
| SHA256 | 94ac8017c95541b975a494d1b2049244d942ec30c94d6c49f3604a5ba54e92dc |
| SHA512 | 890614f7a139b652d29e7867b6fc16dfd02444d71a1a407a2dc85c273c779b3a5f65fe25b509e5644080554e2c1ff1b3b25bfea217f44888f9d1013fa8aacbe0 |
/data/user/0/com.pdffiller.l2f/shared_prefs/WebViewChromiumPrefs.xml
| MD5 | 97ccd9a2b2063143df56b6937f961ca4 |
| SHA1 | 5e78a91ae5df289ce83443cb7d5589dd3504fb5d |
| SHA256 | 248ff7928128015b1cfe3e6517c8f9b8c9511bfb8c8baf44fc1370640eac61fd |
| SHA512 | 86c05a5bb3d7eedea390664796966e9e5a5bf846c85808da54407788a76b3ee25b91428242a1e76d8765bfe51e1ba3636617fbab6e7dbb39fcc433e07c3fcd3b |
/data/user/0/com.pdffiller.l2f/app_webview/Default/Web Data
| MD5 | a48cd9324b1f8754b07f00d863b840f3 |
| SHA1 | 11c6614775b35a58f440971dfc87c8aaac6d6173 |
| SHA256 | 8859a216183793485d4699bf69d7ed96904679834188d07b9a70424d47eb1420 |
| SHA512 | 35fa712f0af4a5eeed7e00e4e59ed5027dc6609d268462fe79d92043be9ae0c5961ce9e1d2f64b1a196c9b6aa6242b8b83817b3ee4c1058596c58a99c45478b1 |
/data/user/0/com.pdffiller.l2f/app_webview/Default/Web Data-journal
| MD5 | 22516d819e4c660f40015fc8cae98707 |
| SHA1 | dc288061a775acf4b51fca9d934d3bbf1803bb8f |
| SHA256 | 3150584f323bf80563333d28dce3a951963eb82a8654bd7dfc027c15a95e2b55 |
| SHA512 | fb82fe1158a3e06a0058dc36c28b500bf4210aaf2c45698ffa85ce9d5d9d196e07c7d2abd1acc9991f1b6977a7063994171c025e0a7b17d521e9b82d0af1dadd |
/data/user/0/com.pdffiller.l2f/cache/WebView/Default/HTTP Cache/Code Cache/js/index
| MD5 | 6d7d499960179766cd4261d12dacc411 |
| SHA1 | e6f8553b0015e12b23cc551afe98763f3b1c9bed |
| SHA256 | c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182 |
| SHA512 | 6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547 |
/data/user/0/com.pdffiller.l2f/cache/WebView/Default/HTTP Cache/Code Cache/wasm/index
| MD5 | 6d7d499960179766cd4261d12dacc411 |
| SHA1 | e6f8553b0015e12b23cc551afe98763f3b1c9bed |
| SHA256 | c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182 |
| SHA512 | 6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547 |
/data/user/0/com.pdffiller.l2f/cache/WebView/Default/HTTP Cache/Code Cache/wasm/index-dir/temp-index
| MD5 | 198ae5fd4f1ff1ae40f4ccd90ff8a5a6 |
| SHA1 | e68f6c06f1a152eab0b36396af6ca8cc64d59e3d |
| SHA256 | 06ae051367678381df119e01787ef889ccee2c6728f7c2da53d531cccc4a2036 |
| SHA512 | b7283ee443d6599537c800039cc0199ec4cfb7c53149f6a4b65ae87889eb1c5d0f89c5eb6fff6bf4d9e552e5a45c614f05753ffb3e9376219fd0ccac9a3fd002 |
/data/user/0/com.pdffiller.l2f/cache/WebView/Default/HTTP Cache/Code Cache/js/index-dir/temp-index
| MD5 | 40412952ce1156c3d763c937f57877ea |
| SHA1 | b0e16b0095ab73d04c4dbcb0e0262defe5f0ad8b |
| SHA256 | 38fcd137000ab8e2efcb871a79990129dec88431d663d4d1e2d7c80cba4a4332 |
| SHA512 | 5188cec0c578591a789cc497b427c65976f49a6b1074cbdcba081dac4c513e1444a81aff1f929e18e452ccd9dc9ab017c90f1edea83a40644f0a0dc003e498c2 |
/data/user/0/com.pdffiller.l2f/cache/WebView/Crashpad/settings.dat
| MD5 | 45c4faeca59bc364063e0fc4c3665899 |
| SHA1 | 2921294c6e16b8734f2a3f728fad6c69c8331bcc |
| SHA256 | a90991c92eee85190979417b3907fb3b3f60f89ba2e09012d7a1433f932dee4b |
| SHA512 | 4904811269b523ad169f74722028a6760c27a6b1e8b0da62d7ed8754446f24ac5f01f5a9be0e2e196a37957129942630150e6760a8038b531e972d98d1b30d77 |
/data/user/0/com.pdffiller.l2f/cache/WebView/font_unique_name_table.pb
| MD5 | f080fa2a56ab5479d58063e5ea871447 |
| SHA1 | 4b3fd57a98916fa5784305b76ba30af26b5253d9 |
| SHA256 | 0aa374bc456330fd1b5daf18d25b4bb8e2df1998dfa85466f2c31843ff56e815 |
| SHA512 | 8aee3186a95b389d39882620b7c4199a29aa50580aa98a381b2931a934de6406943c89d4d00ebeabff21e2b03b4a4adcc01e37e32a2335c4838be24bdbf61936 |
/data/user/0/com.pdffiller.l2f/app_webview/.com.google.Chrome.idcAHu
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |