hook | b11df71b3099e5c86b729985aebc508226cbb1f2b5dfdf5971e5b89ce5e03878

Analysis

max time kernel
2596473s
max time network
164s
platform
android_x64
resource
android-x64-arm64-20230621-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20230621-enlocale:en-usos:android-11-x64system
submitted
28/07/2023, 04:27

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General

Target

b11df71b3099e5c86b729985aebc508226cbb1f2b5dfdf5971e5b89ce5e03878.apk
Size

2.7MB
MD5

6fdc277e3f0aeffba6fab9f96cb5e854
SHA1

4160eb58897f1e8ce69a84ff05071abef49d7ca0
SHA256

b11df71b3099e5c86b729985aebc508226cbb1f2b5dfdf5971e5b89ce5e03878
SHA512

a63bfdb70404f1b165fd5cd3b65de04787e8014ea4373c39190abfbec79958666507074ee9bfa763f4f0651aec38302bf8f022bb77915d91b205c1c59d2eeed6
SSDEEP

49152:7/zRG5OQgZKv4v0SWrqj0q7YmJ2VibUnDMaPiQEGCVEyFVdMYx/i:jFGqkvaasJqDMa/EL+I4

Score

10^/10

hook evasion infostealer ransomware rat stealth trojan

Malware Config

Extracted

Family

hook

http://5.42.199.22:3434

AES_key

Signatures

Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
rat trojan infostealer hook

Makes use of the framework's Accessibility service. 3 IoCs

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.napewejileci.vobowi
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.napewejileci.vobowi
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.napewejileci.vobowi

Removes its main activity from the application launcher 1 IoCs

stealth trojan

pid	Process
4324	com.napewejileci.vobowi

Acquires the wake lock. 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.napewejileci.vobowi

Loads dropped Dex/Jar 1 IoCs

Runs executable file dropped to the device during analysis.

ioc	pid	Process
/data/user/0/com.napewejileci.vobowi/app_DynamicOptDex/Jnwyo.json	4324	com.napewejileci.vobowi

Reads information about phone network operator.

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.napewejileci.vobowi

Removes a system notification. 1 IoCs

evasion

description	ioc	Process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	com.napewejileci.vobowi

Uses Crypto APIs (Might try to encrypt user data). 1 IoCs

ransomware

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.napewejileci.vobowi

com.napewejileci.vobowi
1⤵
- Makes use of the framework's Accessibility service.
- Removes its main activity from the application launcher
- Acquires the wake lock.
- Loads dropped Dex/Jar
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Removes a system notification.
- Uses Crypto APIs (Might try to encrypt user data).
PID:4324

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

/data/user/0/com.napewejileci.vobowi/app_DynamicOptDex/Jnwyo.json

Filesize
698KB

MD5
2540645e09255150151a743af903a2b9

SHA1
095307d6917f228c0f0528143bc5360fce146a35

SHA256
067f98c619945bee903b8b45668bc68709f1a9375677bb7e2d361718696296f8

SHA512
9e98cf27aceed8c9e2db4026181645ced57f81db70748158f8c651c0de97b0da68bab2708d4877d5c2ff040a129f51de5ddf9cd97d9cfed9d532df6bb659ca88

Download Submit
/data/user/0/com.napewejileci.vobowi/app_DynamicOptDex/Jnwyo.json

Filesize
1.5MB

MD5
8ea5fc71d9b6567de54fefcf6397930f

SHA1
d305de0b82bc906c8870edfa28ae2ee0e149421c

SHA256
dbac651117c83176fd8f72ea246b189ea7fc3e436e4768580614ad533bf0700f

SHA512
5f4444b62df5990bc3c01f0e668d74a0a0f1c7bd1b20b204edeae482c189f0407a6098b4be4da9e73a73ce9e0ecda6437c4d859ade76ba067b97b9917edb6a0b

Download Submit
/data/user/0/com.napewejileci.vobowi/app_webview/Default/GPUCache/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.napewejileci.vobowi/app_webview/Default/GPUCache/index-dir/temp-index

Filesize
96B

MD5
6190bd2a5a8c410ba4665f3c52c78ca8

SHA1
7b5735369c91938addb3362dcac54499f7c5e64c

SHA256
97b5277e2c6739f4994e6c273f79a75b9436bdbd2230aa348746113ef79724ab

SHA512
259c999bc8fd409c1c89265866764bbfd04eeffd513015c8285d6ae8ba01262e27bbd8e81f1d8ab978191e477f697d47696d7f53d66ecf6ddfdbcd43b1309372

Download Submit
/data/user/0/com.napewejileci.vobowi/app_webview/Default/Session Storage/000001.dbtmp

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

Download Submit
/data/user/0/com.napewejileci.vobowi/app_webview/Default/Session Storage/000003.log

Filesize
61B

MD5
9f7eadc15e13d0608b4e4d590499ae2e

SHA1
afb27f5c20b117031328e12dd3111a7681ff8db5

SHA256
5c3a5b578ab9fe853ead7040bc161929ea4f6902073ba2b8bb84487622b98923

SHA512
88455784c705f565c70fa0a549c54e2492976e14643e9dd0a8e58c560d003914313df483f096bd33ec718aeec7667b8de063a73627aa3436ba6e7e562e565b3f

Download Submit
/data/user/0/com.napewejileci.vobowi/app_webview/Default/Session Storage/LOG

Filesize
135B

MD5
64743248bd9b38b7635490d634905702

SHA1
7d642b7f3c921184e5c4a891e4e46b3f8cff1673

SHA256
c26e6a8074cd027e4dfa6ee8ea0398a97033a6786515f1427b752c127469bdf4

SHA512
89fc765869cf33a3bb96bebc6a1df94c0ea4283f28831bcac64c470359f2a4596c4c9072acb1edbe5092bef951a96ec00f6170b47a528a7daab7014d2437efab

Download Submit
/data/user/0/com.napewejileci.vobowi/app_webview/Default/Session Storage/MANIFEST-000001

Filesize
41B

MD5
5af87dfd673ba2115e2fcf5cfdb727ab

SHA1
d5b5bbf396dc291274584ef71f444f420b6056f1

SHA256
f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

SHA512
de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

Download Submit
/data/user/0/com.napewejileci.vobowi/app_webview/Default/Web Data

Filesize
120KB

MD5
a48cd9324b1f8754b07f00d863b840f3

SHA1
11c6614775b35a58f440971dfc87c8aaac6d6173

SHA256
8859a216183793485d4699bf69d7ed96904679834188d07b9a70424d47eb1420

SHA512
35fa712f0af4a5eeed7e00e4e59ed5027dc6609d268462fe79d92043be9ae0c5961ce9e1d2f64b1a196c9b6aa6242b8b83817b3ee4c1058596c58a99c45478b1

Download Submit
/data/user/0/com.napewejileci.vobowi/app_webview/Default/Web Data-journal

Filesize
2KB

MD5
dfec176923aadc4e23e40ee0c19c6ed1

SHA1
8011083886701200ff944e5a8481ab8e25547f24

SHA256
38b33ad945cd6706b2d74a1587f607cf030f074b1d24aac361c9a443e1cdcacf

SHA512
2bbb64e1eea8c2d24e6b2d2cf034112b13c1f232dd8426c752dbb990f39eeeaf049a90e49378560247d646b7e5bb713ef1dced55dc44869078422aa0c0770b32

Download Submit
/data/user/0/com.napewejileci.vobowi/app_webview/webview_data.lock

Filesize
29B

MD5
efc9f538059088a6ef76d8ef1052ee8c

SHA1
523499ad4ebc980f4a5db43e91568944512720ff

SHA256
8d020c1bb40818bd8667c75a47e9135d278bed96647371e351abaaa22a095b11

SHA512
6a255c3dfe971348e74fd44c219f4e697f6b7192429975a82f83a7c749d6ac8e84292854faf391cb0c6ad94ab958579f1793a7979912745743fb86b2ef4b4753

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/Crashpad/settings.dat

Filesize
40B

MD5
fbbfbf143c44c437a40cafe58de8645a

SHA1
75df7aa869296663ef154138cb113016c9f84f27

SHA256
91352724ce80f05a7d8266d25282e0b414e940b428a1e324aa63ee99eac3f63f

SHA512
674c5f0bf5a6fba1825ce3708014942109d8c7a208499873e9424020fae42f348140a06aa69efb889cb834ace1a04a855d96f6391d754a1aa4d10a1c551998e2

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/Default/HTTP Cache/1dc40779bb8387b8_0

Filesize
426B

MD5
c07d7507c03bb4d253ab2167d85d889b

SHA1
993a9bf6018f41dea1035458c332ead67f421266

SHA256
4a4f655ed5b28fd7cab963e9a28ca012dd589e30a355a792392791933983bbf0

SHA512
d11f76751fb0ab2f1f9dcbf44abed06391301c1d1c005d0fb73ca0dd9caa72bc7c4813e0d41be9feff4ef381e4fe15d55c8ee637c79a18effb57688f9be17193

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/Default/HTTP Cache/4c70d54a92cdffb7_0

Filesize
514B

MD5
d0493d3c4a8e6137aa8e26ff54a4183d

SHA1
faacc3d8daeef1216f1121f30205ca161f2b80fb

SHA256
20dd7a255bd273d4eee47bf8e6ddcf8f352655a727fe98f0ed86c5ec559d6daa

SHA512
62c54532d430a7a536cd010a72c05c154b343f27713558b78ee604053be95a14722e877ef4d27908e9a63ce2cfbf69adcec213e4ca278e5d8520266e5653bdb2

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/Default/HTTP Cache/74a997b66d0f8136_0

Filesize
492B

MD5
226f67a9739004e14e2c06efa687f9f0

SHA1
c229ce9617f08c3e7a8206e73448ca0625808bf0

SHA256
800726bcbc84679265d57df2f28839b480f5abd922fb5781e5eef88a8b3146bb

SHA512
715af6a606bc40efb251af04469c84d870752609ffa185dc3f8ed66c6981d14aa614d2fe6e3b5741b99b40e2307fdc9f770c04a1722f2ea45338e8ed6e1da8b6

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/Default/HTTP Cache/Code Cache/js/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/Default/HTTP Cache/Code Cache/js/index-dir/temp-index

Filesize
96B

MD5
28dc4be178d34272413b6a785ba3c994

SHA1
67acacc58299efe4d4311492c8712c067ed51091

SHA256
73a596afcde8dbbe14b46dd17ce1766d6603435a3bcfeab2251e55c1acd6a95d

SHA512
cbf48a41dc7b55e38457bdc0b36e8569a30f389367191fa4e0781b562d779906da41964230c7ee051321afde334cd6820354701f680ae3b4e068bfe142f6adfb

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/Default/HTTP Cache/Code Cache/wasm/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/Default/HTTP Cache/Code Cache/wasm/index-dir/temp-index

Filesize
96B

MD5
b69e8b2e8b9d6b29b6ce3aa71b32944f

SHA1
6e833bae42184ac8409ce984f507ba715b1be0dd

SHA256
d9b47bf5ba1b3deb7f38e031f7f671049eecaa8b6e63b26fe54876a51397f532

SHA512
bb5c10e84986b1694c938675d0f72c61895d321d5ca070b1231cff693996883b92a29f5ee4e43c8f97e50e9f4b26d56743893a3bb3dc35b66396257c8f2c7915

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/Default/HTTP Cache/c4c671fa17cf644a_0

Filesize
472B

MD5
b7a81901d138938c2b6345078748c4dc

SHA1
62b46882c34544e670c1ab28f25479f1d6edc4d7

SHA256
21c0cca083c2d97aebf8177cddec34f581ee58381a6cd03f5b1a1005e48535c5

SHA512
90e8904a5c2da01d3cfdf0cc1d75a15e179f6c86bae11c1989d77308e0d798cf20865718a7b8fed0a34f2d03e06fdefe1ac8e4cd7a9f3c68960265e2d9e69dec

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/Default/HTTP Cache/eeb205d44f74f948_0

Filesize
542B

MD5
4b607552932fa90333f2db4cab426ec4

SHA1
34f72e2596cf80c029e8ac2e145e383b8d1ae427

SHA256
e6853ef5bdea75c3c54b14f9ce3627a8d58c84c8e28f1e6cce5d533b36f04b5c

SHA512
8d8fad65e3e102e932375e8d5e3a34732567db01acdee2228d93e5dafe57ec2a3c8cbf9cb0034557710ead9ac084a49ddd7947fd021d735b384e45a8ca4325de

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/Default/HTTP Cache/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/Default/HTTP Cache/index-dir/temp-index

Filesize
240B

MD5
900b7609a52572d6025acb39ce028eac

SHA1
7db78e205b9d378eb7e4a897e4f6a3c05f55fb6a

SHA256
2f8ddd87201c4eca616a7c13f8118f6ea93c66bb441f7eeecb1449fdabfb7982

SHA512
257d3103bca258e52e92c363db0df6250743f85031c56ebc8831a39a8345714a4f72cdfcf0cb514a1de07b884c7c02a11d874410c23b0ba4b20445f926cf04eb

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/Default/HTTP Cache/index-dir/temp-index

Filesize
96B

MD5
42682e0c2a8870e36109c62024facfca

SHA1
7a8b8862c9ee20bd0623fef942bb89ad174d728b

SHA256
fb81c85c3976018ee9d7fa6fe78d4a3fdc8062cf3480d1be3c7b64e33560fca5

SHA512
d9968dfdfc647a36043878a6921faf0592f5c5a743dcc9c33545ed2a00680f6ad4676c1fb86f2fffb31de02c36a51ec1a4418ccf70db10c51ee5e547d1eb4f87

Download Submit
/data/user/0/com.napewejileci.vobowi/cache/WebView/font_unique_name_table.pb

Filesize
57KB

MD5
f080fa2a56ab5479d58063e5ea871447

SHA1
4b3fd57a98916fa5784305b76ba30af26b5253d9

SHA256
0aa374bc456330fd1b5daf18d25b4bb8e2df1998dfa85466f2c31843ff56e815

SHA512
8aee3186a95b389d39882620b7c4199a29aa50580aa98a381b2931a934de6406943c89d4d00ebeabff21e2b03b4a4adcc01e37e32a2335c4838be24bdbf61936

Download Submit
/data/user/0/com.napewejileci.vobowi/no_backup/androidx.work.workdb

Filesize
8KB

MD5
e579a6b00eef1318f9166352228eba18

SHA1
76988896854f0139083e77862eea1a4846cf039f

SHA256
4b34cf505050facf47aa7936e4e7667e1969105665c632b3eefe7ecddf9a6935

SHA512
c47632e957d87727bf6504a82ca7a44d8da24d30cd997a0f449a96e4f97c656a1b4d9da3fcd827e2a48c59677688da0b872358ebd0f9369d898d1b8ec18d5699

Download Submit
/data/user/0/com.napewejileci.vobowi/no_backup/androidx.work.workdb-journal

Filesize
1KB

MD5
e334b36db686694abe77a1f0b5452226

SHA1
fba0c8006fe446937c61735144e0d9fbd3b0a1f4

SHA256
a264d3d932ad5426fc2f2e58d285511eb6d60596405a2da73304f6e4046d5887

SHA512
dc1cd4f05341330af87ecb4d6ead60060e6f51631e3af2ac4de521c7d32d9ea95b898a72c487a9e08bc8e7aa49b991a1f5e5fbfd30aba66518574c5cbfe4226d

Download Submit
/data/user/0/com.napewejileci.vobowi/no_backup/androidx.work.workdb-shm

Filesize
16B

MD5
4ae71336e44bf9bf79d2752e234818a5

SHA1
e129f27c5103bc5cc44bcdf0a15e160d445066ff

SHA256
374708fff7719dd5979ec875d56cd2286f6d3cf7ec317a3b25632aab28ec37bb

SHA512
0b6cbac838dfe7f47ea1bd0df00ec282fdf45510c92161072ccfb84035390c4da743d9c3b954eaa1b0f86fc9861b23cc6c8667ab232c11c686432ebb5c8c3f27

Download Submit
/data/user/0/com.napewejileci.vobowi/no_backup/androidx.work.workdb-wal

Filesize
346KB

MD5
aacbcdeb6efac6c44b8a3db47e53cdcd

SHA1
306d1dd4b0f96fd03d102b124ccebf7a7bc7d35c

SHA256
930d168a741749039386c7b66f602faa8312c8fe6b3377e9291ad18fab658425

SHA512
c685e787a56b5a1cc9d0e658c63af127681f0fa3fe862c08398dc8cb0eff642a45579ea67798b6582098868f8f4233bbedbf4f0058ba4ee6f38ff10e3533ac58

Download Submit
/data/user/0/com.napewejileci.vobowi/shared_prefs/WebViewChromiumPrefs.xml

Filesize
127B

MD5
97ccd9a2b2063143df56b6937f961ca4

SHA1
5e78a91ae5df289ce83443cb7d5589dd3504fb5d

SHA256
248ff7928128015b1cfe3e6517c8f9b8c9511bfb8c8baf44fc1370640eac61fd

SHA512
86c05a5bb3d7eedea390664796966e9e5a5bf846c85808da54407788a76b3ee25b91428242a1e76d8765bfe51e1ba3636617fbab6e7dbb39fcc433e07c3fcd3b

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/data/user/0/com.napewejileci.vobowi/shared_prefs/settings.xml

Filesize
136B

MD5
41346964e08501234234e453dfbc2aec

SHA1
1990a024aa757348f964e556e12b8aa659953157

SHA256
0084a6aa25fdfc346d47facd490f8a9f7d796e4c764c4606890ed3cad57d635e

SHA512
dc9c31eac44a48185a2e404b667dea9e1899cb56d09116c3a5ed33ea9e98821670914b17e91196efc51f89269986f4e848ffb05e6f88da5b136764c07dde3512

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