hook | 238cdfbab88cbcb6b1a2379b2a18c993640c1f498c4cb0e9faef408331f41c0b

Analysis

max time kernel
769764s
max time network
164s
platform
android_x64
resource
android-x64-arm64-20220823-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20220823-enlocale:en-usos:android-11-x64system
submitted
18-05-2023 07:59

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General

Target

238cdfbab88cbcb6b1a2379b2a18c993640c1f498c4cb0e9faef408331f41c0b.apk
Size

3.7MB
MD5

10f5a518febd8b0b08b7f69982bc0a7d
SHA1

77137ca4881b82a9baf3dea99e03ce92c89cc742
SHA256

238cdfbab88cbcb6b1a2379b2a18c993640c1f498c4cb0e9faef408331f41c0b
SHA512

52c557425b2eff4f244c2c34280118e913574c0b3a51bff966c4fb4538afdc1220ad6f94956098aeb53cee4984aeff30142f148f6e19c1a978af6d0e7801f918
SSDEEP

98304:z/Se3GAtk9/CYItyoKmFTwgzOOH2qWS9Rr:+e33tcPItTvFcg5W6b

Score

10^/10

hook evasion infostealer ransomware rat stealth trojan

Malware Config

Extracted

Family

hook

http://193.233.196.2:3434

Extracted

Family

hook

http://193.233.196.2:3434

AES_key

Signatures

Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
rat trojan infostealer hook
Renames multiple (246) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

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

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.dogilowopuna.zico
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.dogilowopuna.zico
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.dogilowopuna.zico

Removes its main activity from the application launcher 1 IoCs

stealth trojan

pid	Process
4553	com.dogilowopuna.zico

Acquires the wake lock. 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.dogilowopuna.zico

Loads dropped Dex/Jar 1 IoCs

Runs executable file dropped to the device during analysis.

ioc	pid	Process
/data/user/0/com.dogilowopuna.zico/app_DynamicOptDex/pskPXGY.json	4553	com.dogilowopuna.zico

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.dogilowopuna.zico

Removes a system notification. 1 IoCs

evasion

description	ioc	Process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	com.dogilowopuna.zico

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

ransomware

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.dogilowopuna.zico

com.dogilowopuna.zico
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:4553

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/com.dogilowopuna.zico/app_DynamicOptDex/pskPXGY.json

Filesize
704KB

MD5
9bfea1b2027ec1635c3590e0ea14e3cf

SHA1
9cc1ea7f49e361961be1f5d2ab43658d41f86d59

SHA256
f2620b302348120f00c9bd7a3e0a6cbef991b484edcdcdd915fbbd13ac861eb4

SHA512
4e17d67bcd5f5361a3d9b27f4fbc29969b25a2686edffa9872e7bca1a6528b4eaaf7f90541eda8d31583d8e515b1a20d4d1b20dd4a88c9e83e07d91d525de4a1

Download Submit
/data/user/0/com.dogilowopuna.zico/app_DynamicOptDex/pskPXGY.json

Filesize
1.5MB

MD5
cf80a0964d7adb2dc9ab389185abcff1

SHA1
a630b6d63b9be79f2fe9f2fc38c91fcbc1d8d6ea

SHA256
f90f95cb686db2f9ce0607038438527e3665ca8e33c38fd168834f6d96def4ed

SHA512
ef1a6f7c47772fd49ae2fda552df4f54fea83e30c99980ae8e0863b4abcfe2d7cb9869449962129cb560760d49ee6349add36e6ca7417e6cf0e9f99d86a3ee53

Download Submit
/data/user/0/com.dogilowopuna.zico/app_webview/Default/GPUCache/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.dogilowopuna.zico/app_webview/Default/GPUCache/index-dir/temp-index

Filesize
96B

MD5
6afefa973be81cf6140f6763455770a7

SHA1
73068d375aa2a726fe2cef789fa94feb4c6cacf7

SHA256
e4351527c7da789b46e53462f61f460b4711e19dea89ddd9a0d8971b0aa18a0a

SHA512
f49b004454c1da140dc05c87b571df8d1a60a67a29d3ded4a87cafd9b60ee8aa2c3fc0e6de5f53aa05909ee38631e4877d4f638e706d176fc69c190add6273db

Download Submit
/data/user/0/com.dogilowopuna.zico/app_webview/Default/Session Storage/000001.dbtmp

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

Download Submit
/data/user/0/com.dogilowopuna.zico/app_webview/Default/Session Storage/000003.log

Filesize
61B

MD5
9f7eadc15e13d0608b4e4d590499ae2e

SHA1
afb27f5c20b117031328e12dd3111a7681ff8db5

SHA256
5c3a5b578ab9fe853ead7040bc161929ea4f6902073ba2b8bb84487622b98923

SHA512
88455784c705f565c70fa0a549c54e2492976e14643e9dd0a8e58c560d003914313df483f096bd33ec718aeec7667b8de063a73627aa3436ba6e7e562e565b3f

Download Submit
/data/user/0/com.dogilowopuna.zico/app_webview/Default/Session Storage/LOG

Filesize
133B

MD5
fb1197c92dac439a0ae4b57a4a766030

SHA1
1756763c8aea2083df51ce1a8b563f4e4375cdff

SHA256
c0e89b5652c090a7bc9a9ec5069cbbbead2fda5ee5803c455349ddc221f806d9

SHA512
786594e94983be4b47c4d8c7eb0fa0f40c9bc83937f4a4d82ff2232e503014b8bd32b0ee75be28cace9b644e9bcd3e9e67500b6a93daac2fd579dd6e219da3ac

Download Submit
/data/user/0/com.dogilowopuna.zico/app_webview/Default/Session Storage/MANIFEST-000001

Filesize
41B

MD5
5af87dfd673ba2115e2fcf5cfdb727ab

SHA1
d5b5bbf396dc291274584ef71f444f420b6056f1

SHA256
f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

SHA512
de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

Download Submit
/data/user/0/com.dogilowopuna.zico/app_webview/Default/Web Data

Filesize
120KB

MD5
a48cd9324b1f8754b07f00d863b840f3

SHA1
11c6614775b35a58f440971dfc87c8aaac6d6173

SHA256
8859a216183793485d4699bf69d7ed96904679834188d07b9a70424d47eb1420

SHA512
35fa712f0af4a5eeed7e00e4e59ed5027dc6609d268462fe79d92043be9ae0c5961ce9e1d2f64b1a196c9b6aa6242b8b83817b3ee4c1058596c58a99c45478b1

Download Submit
/data/user/0/com.dogilowopuna.zico/app_webview/Default/Web Data-journal

Filesize
2KB

MD5
7968ce5bafd1043ff5d7ede0619808c7

SHA1
0dfeeaf8dfbf6b3c3fed6e14b9c81a2135ff07aa

SHA256
54306c420fca02de988db04910828a2444087e4b1ddf1e1a4a3c56296e5cc889

SHA512
c74359f3d352e1ce40b3944802ffa25e5905ffe13a59a0cec4fc235a87d369dfa969be0d2e73879218cb3b5912ae4ce718cfed8ed70bf653bae6682065a021df

Download Submit
/data/user/0/com.dogilowopuna.zico/app_webview/webview_data.lock

Filesize
27B

MD5
5ab6c4641f49836c2ef29ca2582db092

SHA1
e6069e3eb43136c74ba34c088babfa70aa26819e

SHA256
c7c158126ac8c40f0dfa97dc7db56f4d404863589dab388015615f2160d8618a

SHA512
b676b2a66bd8b181c9db8735f7ac1cc70d2b6893bb8a129a06ce18dc46aafc13d564684c6aa1f763154c48a979a7b51d439435014b04c894cae5b2a7c29b9cf4

Download Submit
/data/user/0/com.dogilowopuna.zico/cache/WebView/Crashpad/settings.dat

Filesize
40B

MD5
bb694d14a32d85137276f88b2fb39656

SHA1
a9114a484881b03887c451055f6f5c062e0ffa84

SHA256
adfa2b17c8e5b3b982dbcd693ce3c2c66122d8e5b12376230bf6e9f657f4d18f

SHA512
6a742fc4473fb5f690550ed90a27389a5f1b2e48ed90db8f21ef8159edc704e130cbfbc7b19ce8cd679e85a735ece1a3052f05cca9c5827c74caa9d7ac297834

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

Filesize
96B

MD5
462a727e9f3b860e4acecd303d20e6e1

SHA1
4f2fc530e7870d6414881ba09ec1ee1f619d8539

SHA256
5e093b9b04e5fd6269e1b2b460990e0c31a2f08870e4b2470c1891a3c2336cfe

SHA512
f899de8a0cc0046a7e31a7630e8c3a6ae1b0ce43ba726f7294d54b79aca4e8900224de5396dc57f514b327383ff4eebda56a88fc95bd828a1405fe8d631fdc48

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

Filesize
96B

MD5
6124df99a8f688ebfe25626e14da25f4

SHA1
24d288d784869a34d4cee050c3455e0ae510d621

SHA256
3a3dbaa7b563b6826497837bf3f0f2f779c93aad01db53572b520cf31859ab86

SHA512
f17bcda335b7aacd8e7e3dc6bc53be0c4d55f7f5c39bc8a0e0766e0cd7cbc4d1b30e6fea6c0912ae6ac07899c86967df8b9d76c25702adcf66dd8f9fad0a1d1c

Download Submit
/data/user/0/com.dogilowopuna.zico/cache/WebView/font_unique_name_table.pb

Filesize
57KB

MD5
f080fa2a56ab5479d58063e5ea871447

SHA1
4b3fd57a98916fa5784305b76ba30af26b5253d9

SHA256
0aa374bc456330fd1b5daf18d25b4bb8e2df1998dfa85466f2c31843ff56e815

SHA512
8aee3186a95b389d39882620b7c4199a29aa50580aa98a381b2931a934de6406943c89d4d00ebeabff21e2b03b4a4adcc01e37e32a2335c4838be24bdbf61936

Download Submit
/data/user/0/com.dogilowopuna.zico/no_backup/androidx.work.workdb

Filesize
8KB

MD5
e579a6b00eef1318f9166352228eba18

SHA1
76988896854f0139083e77862eea1a4846cf039f

SHA256
4b34cf505050facf47aa7936e4e7667e1969105665c632b3eefe7ecddf9a6935

SHA512
c47632e957d87727bf6504a82ca7a44d8da24d30cd997a0f449a96e4f97c656a1b4d9da3fcd827e2a48c59677688da0b872358ebd0f9369d898d1b8ec18d5699

Download Submit
/data/user/0/com.dogilowopuna.zico/no_backup/androidx.work.workdb-journal

Filesize
1KB

MD5
4fd374f725826e43dff1afe824c661bf

SHA1
e4421ffdceab12ed8630b89e521941e846b7bf91

SHA256
fd01558a971bae9a08e80b9882f1fcbe4c7fc530bef06cfabb7e7703848605dd

SHA512
8fa39e2495e3b1bcd338bf4760d3268e1d8701f677dc7b7da1a84e9dd0f04ba46d70219b729e6aacb7035fc6a143f57dd6a703ef9d6c0d21964a16d50d25b192

Download Submit
/data/user/0/com.dogilowopuna.zico/no_backup/androidx.work.workdb-shm

Filesize
16B

MD5
4ae71336e44bf9bf79d2752e234818a5

SHA1
e129f27c5103bc5cc44bcdf0a15e160d445066ff

SHA256
374708fff7719dd5979ec875d56cd2286f6d3cf7ec317a3b25632aab28ec37bb

SHA512
0b6cbac838dfe7f47ea1bd0df00ec282fdf45510c92161072ccfb84035390c4da743d9c3b954eaa1b0f86fc9861b23cc6c8667ab232c11c686432ebb5c8c3f27

Download Submit
/data/user/0/com.dogilowopuna.zico/no_backup/androidx.work.workdb-wal

Filesize
346KB

MD5
86c524193c5095e9e8ea4dc0f3c4bec2

SHA1
0da260830b04ab482d5f3a0b607ab9c04658a2c4

SHA256
ec77e0e936671fe59e537fa9700d66f3a91e4efb5516d7530be3519524a7db35

SHA512
5aee4dcd1057d531186f8bd5bf04d2a04e1b431a952a5013b63eb77dabd6c28ccd93f06fe2dac4b57e639bae8d855cab99138d0bf26829411f75cd27b682d4cc

Download Submit
/data/user/0/com.dogilowopuna.zico/shared_prefs/WebViewChromiumPrefs.xml

Filesize
127B

MD5
97ccd9a2b2063143df56b6937f961ca4

SHA1
5e78a91ae5df289ce83443cb7d5589dd3504fb5d

SHA256
248ff7928128015b1cfe3e6517c8f9b8c9511bfb8c8baf44fc1370640eac61fd

SHA512
86c05a5bb3d7eedea390664796966e9e5a5bf846c85808da54407788a76b3ee25b91428242a1e76d8765bfe51e1ba3636617fbab6e7dbb39fcc433e07c3fcd3b

Download Submit
/data/user/0/com.dogilowopuna.zico/shared_prefs/settings.xml

Filesize
134B

MD5
78a2c63a0ec2f947097c8b764fb49e30

SHA1
e38dcf9d6a39c0f58cdabfcbd5dd4954817a7869

SHA256
7aaf74896c69acb15d2b36290e8bc74f6090e1b51ceab19400018fa7ed87285b

SHA512
96acd80ce5b0a1bd286f688de13b8b5ed9f2cfc73f034c2928a3d7a360a100e54c7a3239a45d7f81969585cc40b6fa9ab3ec4f7fa487e49efb1954b14d66484b

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads