hook | f27356848d8d106272cd05be2778d147511cbafe75e9480d98a6f3ee91d3448b

Analysis

max time kernel
179s
max time network
130s
platform
android_x86
resource
android-x86-arm-20240624-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
submitted
25-06-2024 22:03

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General

Target

f27356848d8d106272cd05be2778d147511cbafe75e9480d98a6f3ee91d3448b.apk
Size

1.1MB
MD5

896a7930df223553ab0987fc69347f08
SHA1

b883764c91d17f30c17c1b587311d868c00840e6
SHA256

f27356848d8d106272cd05be2778d147511cbafe75e9480d98a6f3ee91d3448b
SHA512

5c5fcedda68324d7ab9a4f7682894a5958e2c98c970e3ff2354359efff2ceae670cccc7456f40f14e56d4a8db84bc23ac6c013658c382eb952dd1752b729136e
SSDEEP

24576:JtwRisrnsWEE1xS8gwNzUn7x5WojLGzg/YFHaH:vsrAE108gwN8xgeGzg/FH

Score

10^/10

hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Malware Config

Extracted

Family

hook

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 4 TTPs 3 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion credential_access

Processes:

com.vesesajoyayo.goco

description	ioc	process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.vesesajoyayo.goco
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.vesesajoyayo.goco
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.vesesajoyayo.goco

Queries information about running processes on the device 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about running processes on the device.
discovery

T1424

Processes:

com.vesesajoyayo.goco

description ioc process

Framework service call android.app.IActivityManager.getRunningAppProcesses com.vesesajoyayo.goco
Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

T1422
Acquires the wake lock 1 IoCs

Processes:

com.vesesajoyayo.goco

description ioc process

Framework service call android.os.IPowerManager.acquireWakeLock com.vesesajoyayo.goco
Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs
Application may abuse the framework's foreground service to continue running in the foreground.
evasion persistence

T1541

Processes:

com.vesesajoyayo.goco

description ioc process

Framework service call android.app.IActivityManager.setServiceForeground com.vesesajoyayo.goco

description	ioc	process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	com.vesesajoyayo.goco

description	ioc	process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.vesesajoyayo.goco

description	ioc	process
Framework service call	android.app.IActivityManager.setServiceForeground	com.vesesajoyayo.goco

Performs UI accessibility actions on behalf of the user 1 TTPs 6 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

T1629.001

Processes:

com.vesesajoyayo.goco

ioc	process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.vesesajoyayo.goco
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.vesesajoyayo.goco
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.vesesajoyayo.goco
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.vesesajoyayo.goco
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.vesesajoyayo.goco
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.vesesajoyayo.goco

Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.
discovery

T1421

Processes:

com.vesesajoyayo.goco

description ioc process

Framework service call android.net.wifi.IWifiManager.getConnectionInfo com.vesesajoyayo.goco
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
discovery

T1422

Processes:

com.vesesajoyayo.goco

description ioc process

Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.vesesajoyayo.goco
Reads information about phone network operator. 1 TTPs
discovery

T1422
Requests enabling of the accessibility settings. 1 IoCs

Processes:

com.vesesajoyayo.goco

description ioc process

Intent action android.settings.ACCESSIBILITY_SETTINGS com.vesesajoyayo.goco
Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
persistence

T1624.001

Processes:

com.vesesajoyayo.goco

description ioc process

Framework service call android.app.IActivityManager.registerReceiver com.vesesajoyayo.goco
Schedules tasks to execute at a specified time 1 TTPs 1 IoCs
Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.
execution persistence

T1603

Processes:

com.vesesajoyayo.goco

description ioc process

Framework service call android.app.job.IJobScheduler.schedule com.vesesajoyayo.goco
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
impact

T1471

Processes:

com.vesesajoyayo.goco

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.vesesajoyayo.goco

description	ioc	process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.vesesajoyayo.goco

description	ioc	process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.vesesajoyayo.goco

description	ioc	process
Intent action	android.settings.ACCESSIBILITY_SETTINGS	com.vesesajoyayo.goco

description	ioc	process
Framework service call	android.app.IActivityManager.registerReceiver	com.vesesajoyayo.goco

description	ioc	process
Framework service call	android.app.job.IJobScheduler.schedule	com.vesesajoyayo.goco

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.vesesajoyayo.goco

com.vesesajoyayo.goco
1⤵
- Makes use of the framework's Accessibility service
- Queries information about running processes on the device
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Requests enabling of the accessibility settings.
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
PID:4320

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/data/com.vesesajoyayo.goco/no_backup/androidx.work.workdb
Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.vesesajoyayo.goco/no_backup/androidx.work.workdb-journal
Filesize
512B

MD5
1e245b48ba4d35188350110739399766

SHA1
c3f84e76a9bdd23bba2e7c5f1055a1bc64794d83

SHA256
03a2b71f2ea6e11ebfb6e9c721ad4ee76fd5abc7820d212f4e776abc4a15ace6

SHA512
2d6222770ec86b935309681acd50608c80774379471de05980b0017ed01510dced20b9785873060ca5c10c83c600cd93b45526d43d81cf0455db99944865bd9d

Download Submit
/data/data/com.vesesajoyayo.goco/no_backup/androidx.work.workdb-shm
Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.vesesajoyayo.goco/no_backup/androidx.work.workdb-wal
Filesize
16KB

MD5
4859be2abd62f03a3ffc1e7b21277f2c

SHA1
d48aa267c85df0bb4add37722fe1bde8d0e10b88

SHA256
93b9caf37ba4d397ee34b5410999089a532904dfb7a3d91daf84a725cb1f56ef

SHA512
f82c714a4f8a81b37f07be60646211506b3023d7dd9a0d23133be47d7c32073fd58b6d582088ec3f5dddb0d2c2c74f8d76cfd753f421d4eda7e5eb38d56d32df

Download Submit
/data/data/com.vesesajoyayo.goco/no_backup/androidx.work.workdb-wal
Filesize
108KB

MD5
2e5042644c792e2524f7cc2c56dc1658

SHA1
575a3994c3216082dc63d94d494dcd408cd59883

SHA256
900be86db858654e3d37f14dc07bdd4e4d1e8a49edf10a1623d33370d5ba1f9f

SHA512
a0ac9510989d0623fadbd3589ed97b3e08abcfdbc1a9f2ccf2cef0ab5b150f23c0b44ed816dd5be28c0a86407e414c5dd6d07ff2e976d37436620759f2aeb173

Download Submit
/data/data/com.vesesajoyayo.goco/no_backup/androidx.work.workdb-wal
Filesize
173KB

MD5
fa2eccc923d1d8108dfde5646fccdbe3

SHA1
4bb63f78453e7200bc21edaf3da876c4370f9614

SHA256
676cff1809e1f43a2911243140116ebd7720d853886fdedad96052df06ff251c

SHA512
44b392d1ed494b1291b3e089d689ea7e552550d2497845127408bc134587c3df8020ec191f3b30a0461958d9fb0a88341e07c3aa14ead335ae8eb9993d48055e

Download Submit