hook | 238cdfbab88cbcb6b1a2379b2a18c993640c1f498c4cb0e9faef408331f41c0b

Analysis

max time kernel
790833s
max time network
161s
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, 13:46

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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 (248) 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
4443	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	4443	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:4443

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
488bfac9b14e51aa364dc43383f42644

SHA1
db9ec84bccb874bc537b927a7bb4ee17835c2cdf

SHA256
fdecf093533b4499f502072070da2a5207dd99c83b8dc666f9078c9d4d4c98c9

SHA512
60a2a36cbe222eae69193dcd250992effa8143f34a72b362c15910fd9fe7f932c078f3404bcbfa9b95959753e54c767186f1268b47ef8f7967fe1cf6a4b014bd

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
ed6590e7c40cd934b843ebb6e5a55f2e

SHA1
52d7db67de87f7e80e8bd69b89c1f5cb26a76a52

SHA256
e5c82d8578bf1903d264ea3a676c769a3cd9717fafd6f5bcd2c1235091407915

SHA512
2f47d74a8eacd8d7859c185bd392e15f7a30f9cea7f1630ad7483cf13669a7ea520b2495f934172f33c50b15414264d64e299c0f2079797ab42951b041b77e39

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
d639bc4538fc54ba0070ad2ee0e6aa9c

SHA1
d14b684c59af5d0e0c652ec19c224b3fdcb57292

SHA256
7156afe18af124d71435ca243e43e32684d52cace52095ea88259c6fcceefcaa

SHA512
2ce4d4649a6d96ae187d17a2775de7b2a1c6435909360a7c2cc8e7c67e154705cf9ae38b84b992ac488d6d527c4dce9be1bb1056274cad80aaa5a9db6d0adff6

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

Filesize
27B

MD5
fa1bb0e30709487f3920abbdd5957385

SHA1
ce1855e560d57b5afbbc67ad683b4bf86c6d7cac

SHA256
2b85125f591104b4a2694cdb8ff4c218dc83f8dcc260cc81fb0395352ab87752

SHA512
bb0e5e2924065a9b4f0538679022a9600bf7e1ac0d56e39105cfbd48e3f6e3934220c0521ad88ee19373adaabbf9d87e76eb935b99c10065665fa3e5e6f5e351

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

Filesize
40B

MD5
7980d7dd411544f42df7efeb2ecc0eb7

SHA1
9fea963290a17068c29a3e2f502a19cfcfec6c6a

SHA256
7a79e124ca832e28add0da8dedb5b8aefcb8b52cab9b85867b8bfe8dfdedfc98

SHA512
11ead29c910229193fbe196711b3f4f2d68d22dc285ef16ccdfd1d18d993c405ea8902a7a3be7385de71696ea36f1398595a6296cf2aa7cf9ff79dcb0854c1cf

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
8ff76d2d2558f9725f8d65678b0a77f3

SHA1
431ddfce24925ba6430a33837c8e04d0ad35da66

SHA256
b7778a7360d5435f0218189ca72c20a789838167b41728ddf1b645c0c7cd3ca6

SHA512
8ffef9e0c57ad744cb2668fffff6cde0857ef270c12907c21c63827fa048cde2ad75ae896b7ebbb73d0f90f317362dc401d8d6d3a8ac5a9105336826dfe32c47

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
9ebc21ff3b615ef7b011eb312fb3f7d4

SHA1
88664b0753e77ee5c0cd1832724199c0bf8510fe

SHA256
06c29506c9584d41effab5a81f10ec36d71e4c13106f6d2f1ab9604ab5fdc382

SHA512
3627d1f7eb3127e086e01ade8ea241f9d2bbc5fd0124c1579c9eaffea7bf04acbca465cce02644568ff8a9eabe115614a618df0e5c9ba736df0c6bf72ca54f04

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
6d71ae474560dd1a2d296889d366758b

SHA1
eac66308b031f98ae297093bad10eaaa70b4e421

SHA256
6ac6416653ffbd0054727ebdab397ae8fe67934b1c5033256ee1ab9f9d0f93c0

SHA512
d68102b74c7af8ce2486279e541944c1792f221c2915c192e1700a85ff4bb6bd09a48cbfe8a5f0966093510fa35252a526a237dc1aa24880f31a798c3d4ac54a

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
7a93806e83594d2b4c29ceb5387daed7

SHA1
1a2c06111349419d7e0c5b982643e538b07c055c

SHA256
db7ec970fae7f41660199aebc3aaa2e8b1afda07390bdec7800fa989bf507613

SHA512
2830d2c4fe009599014541665b487c0e7f73592a681dbb7d7bec39755c0123c3a0bd7c7f59925c8a58865ea6b4240b73856a65ee795fcf9b7a5ce0c1657e213f

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