Analysis Overview
SHA256
b6249fa996cb4046bdab37bab5e3b4d43c79ea537f119040c3b3e138149897fd
Threat Level: Known bad
The file b6249fa996cb4046bdab37bab5e3b4d43c79ea537f119040c3b3e138149897fd.apk was found to be: Known bad.
Malicious Activity Summary
Godfather family
Renames multiple (74) files with added filename extension
Makes use of the framework's Accessibility service.
Acquires the wake lock.
Requests dangerous framework permissions
Reads information about phone network operator.
Requests disabling of battery optimizations (often used to enable hiding in the background).
Removes a system notification.
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2023-06-06 13:20
Signatures
Godfather family
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
2023-06-06 13:19
Reported
2023-06-06 13:21
Platform
android-x86-arm-20220823-en
Max time kernel
2430524s
Max time network
84s
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 |
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 | |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| NL | 142.251.36.46:443 | android.apis.google.com | tcp |
| NL | 142.251.36.46:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | infinitedata-pa.googleapis.com | udp |
| NL | 142.251.39.106:443 | infinitedata-pa.googleapis.com | tcp |
| US | 1.1.1.1:53 | semanticlocation-pa.googleapis.com | udp |
| NL | 142.251.36.10:443 | semanticlocation-pa.googleapis.com | tcp |
| US | 1.1.1.1:853 | tcp | |
| US | 1.1.1.1:853 | tcp | |
| US | 1.1.1.1:853 | tcp | |
| NL | 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/metrics_guid
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
/data/user/0/com.pdffiller.l2f/app_webview/metrics_guid
| MD5 | cfda485c67bca2d6784a27597275ccc4 |
| SHA1 | 135451f63e102b1754f9b96d219409e7f2cd3f2b |
| SHA256 | 408cafb35698719e3e40b00d7ea072c979e22c9066ae76e9605fd8b244dc0ed7 |
| SHA512 | 6399936dabb416682416fdf7aa835f29a792f27c83111c682c9eb4ba2865eb03726521c020c5d27d8b9b43c2c29468fd207f1cca7c69140bd236afdcb22107ee |
/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 | 4dfd896c3f66f05177fa93b551dbec09 |
| SHA1 | 7a92835b8c3c33597e404ee456279b1a55a27d26 |
| SHA256 | b37a9e5fa94f834062a3c42d8ba42203ca8d4becd91f694674636cf9d745e0cd |
| SHA512 | 55d605ee5647f2e2ccf1fdbb1b67d81df349c318752e28f59ba30ae581027f864c5746ee1c5402647daf0bbead3dca782225b36d62f23bbd949c954e6d2fe309 |
Analysis: behavioral2
Detonation Overview
Submitted
2023-06-06 13:19
Reported
2023-06-06 13:25
Platform
android-x64-arm64-20220823-en
Max time kernel
2430754s
Max time network
318s
Command Line
Signatures
Renames multiple (74) files with added filename extension
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 disabling of battery optimizations (often used to enable hiding in the background).
| Description | Indicator | Process | Target |
| Intent action | android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS | N/A | N/A |
Processes
com.pdffiller.l2f
Network
| Country | Destination | Domain | Proto |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| DE | 172.217.23.206:443 | android.apis.google.com | tcp |
| DE | 172.217.23.206:443 | android.apis.google.com | tcp |
| DE | 172.217.23.206:443 | android.apis.google.com | tcp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 1.1.1.1:53 | growth-pa.googleapis.com | udp |
| DE | 172.217.23.202:443 | growth-pa.googleapis.com | tcp |
| NL | 142.250.179.138:443 | growth-pa.googleapis.com | tcp |
| NL | 172.217.168.202:443 | growth-pa.googleapis.com | tcp |
| NL | 142.250.179.202:443 | growth-pa.googleapis.com | tcp |
| US | 1.1.1.1:53 | infinitedata-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| US | 1.1.1.1:53 | android.apis.google.com | udp |
| NL | 142.251.36.46:443 | android.apis.google.com | tcp |
| US | 1.1.1.1:53 | accounts.google.com | udp |
| US | 1.1.1.1:53 | accounts.google.com | udp |
| NL | 142.250.179.141:443 | accounts.google.com | tcp |
| US | 1.1.1.1:53 | waubgjmmr | udp |
| US | 1.1.1.1:53 | uqoalyr | udp |
| US | 1.1.1.1:53 | loqzmpossvsvhp | udp |
| US | 1.1.1.1:53 | loqzmpossvsvhp | udp |
| US | 1.1.1.1:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| US | 1.1.1.1:53 | update.googleapis.com | udp |
| NL | 142.250.179.195:443 | update.googleapis.com | tcp |
| US | 1.1.1.1:53 | edgedl.me.gvt1.com | udp |
| US | 1.1.1.1:53 | edgedl.me.gvt1.com | udp |
| US | 1.1.1.1:53 | edgedl.me.gvt1.com | udp |
| US | 1.1.1.1:53 | edgedl.me.gvt1.com | udp |
| US | 1.1.1.1:53 | edgedl.me.gvt1.com | udp |
| US | 34.104.35.123:443 | edgedl.me.gvt1.com | tcp |
| US | 34.104.35.123:80 | edgedl.me.gvt1.com | tcp |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| US | 1.1.1.1:53 | infinitedata-pa.googleapis.com | udp |
| US | 1.1.1.1:53 | ssl.google-analytics.com | udp |
| NL | 142.251.39.104:443 | ssl.google-analytics.com | 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 | e8ba952e20818d7481ae40364379bfee |
| SHA1 | 6cf589dcf89fdb4a6f5ed9dc50305d1bf9291e94 |
| SHA256 | 296efc0cc0a0406850eeeb4d433b647b72e48884b9d2ce4dde3a3cca2cbcfee1 |
| SHA512 | 45730797a1511677c005ea93693e1b2ed16b00fa6995ea9ff3a8659c83ff049d68f1ab05a939e9c85df6f7747b22d53eb0dd5fa7e5e5b633b64ee30f70c60417 |
/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 | c25eebfc09a945691bf8775ba676b329 |
| SHA1 | b34dcdaceb73428cde6979d642d5cfd80924a23f |
| SHA256 | 1acacad56cb12223c7f5622700348d63cf6cc9202085c5c124fb53381c284391 |
| SHA512 | 150e7fa3ad155053a336f8ada250a1ffcf22b085128ee8d08c6d4a936cbca90c84177622bc8e09e00465719969cbdf57d383558d341111db511b1e00bed1b3fc |
/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/js/index
| MD5 | 6d7d499960179766cd4261d12dacc411 |
| SHA1 | e6f8553b0015e12b23cc551afe98763f3b1c9bed |
| SHA256 | c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182 |
| SHA512 | 6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547 |
/data/user/0/com.pdffiller.l2f/cache/WebView/Default/HTTP Cache/Code Cache/js/index-dir/temp-index
| MD5 | 71cf26a7ffad6ffec5460d00cdfc5499 |
| SHA1 | 57ff6228fa52f97066cf14b38f56e5772c35514e |
| SHA256 | 0dcd1f2a396a1865253e88f3cac5e5ae5291806591cb775f27a3d826d65ac4e8 |
| SHA512 | d2eca4f43c20b31df72417b1988ecc896ef340bb69c0f492fc75e9c9cd0da87db4c9061fde0e6625f75739e6c9c3cbbbb95f249fb679f2a188df25a4afd8c936 |
/data/user/0/com.pdffiller.l2f/cache/WebView/Default/HTTP Cache/Code Cache/wasm/index-dir/temp-index
| MD5 | ff8fa0a8e741c3b5b783b725d45a3715 |
| SHA1 | d5a25e3fee5165e8c4017ab4dac2752057d00d7f |
| SHA256 | 381db93ba7fbe4e2d58782fe2bdd2d545807c389a79021bd50afb0d982337023 |
| SHA512 | bd01a80eefd9515e8b17675e4b66d78c4e01d2392e333e3d44d5de4ec981134bf31fa346637f94b80d305ce0a16d4d8e7997b7d9cc129eb631be183b35f13d6c |
/data/user/0/com.pdffiller.l2f/cache/WebView/Crashpad/settings.dat
| MD5 | ecff19e93e16fad97f8e33df321e2cbb |
| SHA1 | c1c0e66b9b2a1e6afd4cc7ae437850bd22f1b7f0 |
| SHA256 | c92787e7d202baf886006584b1cf22ee9a84f8d7e952197ec15ae71c8cd1707f |
| SHA512 | 7688f8e0bf81e1233015e118c9b76787cf59107e816faad657546bab92e55a379aa713a252191a901d5376525dce89fd25b152150f9e3b71283a622ca8352a3c |
/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.MhM2qR
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |