Malware Analysis Report

2024-10-16 05:21

Sample ID 240326-xbg3vacb8v
Target Cópia de Avast-Antivirus-br.apk
SHA256 4ae68d9dd21de0842f529016e1ea3d2da4a357c12706836f0ee164de87d3b598
Tags
banker collection discovery evasion stealth trojan spynote
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4ae68d9dd21de0842f529016e1ea3d2da4a357c12706836f0ee164de87d3b598

Threat Level: Known bad

The file Cópia de Avast-Antivirus-br.apk was found to be: Known bad.

Malicious Activity Summary

banker collection discovery evasion stealth trojan spynote

Spynote family

Removes its main activity from the application launcher

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Makes use of the framework's Accessibility service

Requests enabling of the accessibility settings.

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

Requests dangerous framework permissions

Acquires the wake lock

Declares broadcast receivers with permission to handle system events

Declares services with permission to bind to the system

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-26 18:40

Signatures

Spynote family

spynote

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

Declares services with permission to bind to the system

Description Indicator Process Target
Required by accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A
Required by VPN services to bind with the system. Allows apps to provision VPN services. android.permission.BIND_VPN_SERVICE N/A N/A
Required by input method services to bind with the system. Allows apps to provide custom input methods (keyboards). android.permission.BIND_INPUT_METHOD N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to read the user's call log. android.permission.READ_CALL_LOG N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
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 from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW 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
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES N/A N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-03-26 18:40

Reported

2024-03-26 18:44

Platform

android-x86-arm-20240221-en

Max time kernel

149s

Max time network

153s

Command Line

listing.material.pensions

Signatures

Makes use of the framework's Accessibility service

collection evasion
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

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery
Description Indicator Process Target
Framework service call android.content.pm.IPackageManager.getInstalledApplications N/A N/A

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A 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).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Processes

listing.material.pensions

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
DE 192.248.176.196:9998 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 216.58.212.234:443 semanticlocation-pa.googleapis.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.178.14:443 android.apis.google.com tcp
DE 192.248.176.196:9998 tcp
DE 192.248.176.196:9998 tcp

Files

/storage/emulated/0/Config/sys/apps/log/log-2024-03-26.txt

MD5 8cdcd9f39a5d810b08a538b19a72cbd9
SHA1 b0567c6a07da5b51214e63c6e212e986d0a4762b
SHA256 d989029a0c83049ed3a02b564faca1df7cffa947667b3c2f9cce681cd8147b8c
SHA512 f182af48309f15aeedb4cebac41e2c8217e99270ee027fc079cd01dd6077a4b94bd1d960a392f327f997e3822c8de9c5d3e81d73cb45e5f0c030dbff59a718a4

/storage/emulated/0/Config/sys/apps/log/log-2024-03-26.txt

MD5 ba30336bf53d54ed3c0ea69dd545de8c
SHA1 ce99c6724c75b93b7448e2d9fac16ca702a5711f
SHA256 2d6988fb5afdaafc4e33fa1f71d6f10c95ab5a49a8ec820add5b13eef05439af
SHA512 eea34ca526e03349e746d3687ea660b4748f0174fe2ffdb65161e232e08630b345e03329614852ce881a71362ba68575e9dd08fa361a416e5b2fb231e21a0a3e

/storage/emulated/0/Config/sys/apps/log/log-2024-03-26.txt

MD5 3fa7c62da1acb6175a4c60f5e294a585
SHA1 813afe46b5f9343b713f1c953c62fbff65d20986
SHA256 afbffc47a61c20e5c53f3c8aac0157790b51f64bf47ad0de9a29415c8cba79bc
SHA512 e5e51620a857e8a12a4a1d3dd1294b82665414f7d92b6bb8db79d3e6ac997b518406973e45e5e656e64224daeef8f8b3b8c24ce3f4da5300d187b369ec9f249f

/storage/emulated/0/Config/sys/apps/log/log-2024-03-26.txt

MD5 c9db0aece56267f06c34e62d03659b4a
SHA1 e52a55ea4e5a0d30d70e90a5f5833a39370609d9
SHA256 d77bace5ecc67118face00462acf4fdb6724b5a1647a37b1283e8ca8d316ed80
SHA512 f8f1b07bbfe3837598288ac5935e7ad7e7ccaabbeb90b41903717a62d69a37cbbcc7a9ab63ada7b714f31a333270fd626abf40a27e26fad2a909e12a0d6468b2

Analysis: behavioral5

Detonation Overview

Submitted

2024-03-26 18:40

Reported

2024-03-26 18:44

Platform

android-x64-20240221-en

Max time kernel

154s

Max time network

155s

Command Line

listing.material.pensions

Signatures

Makes use of the framework's Accessibility service

collection evasion
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery
Description Indicator Process Target
Framework service call android.content.pm.IPackageManager.getInstalledApplications N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Processes

listing.material.pensions

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.169.40:443 ssl.google-analytics.com tcp
DE 192.248.176.196:9998 tcp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
GB 216.58.212.228:443 tcp
GB 216.58.212.228:443 tcp
DE 192.248.176.196:9998 tcp
DE 192.248.176.196:9998 tcp

Files

/storage/emulated/0/Config/sys/apps/log/log-2024-03-26.txt

MD5 8cdcd9f39a5d810b08a538b19a72cbd9
SHA1 b0567c6a07da5b51214e63c6e212e986d0a4762b
SHA256 d989029a0c83049ed3a02b564faca1df7cffa947667b3c2f9cce681cd8147b8c
SHA512 f182af48309f15aeedb4cebac41e2c8217e99270ee027fc079cd01dd6077a4b94bd1d960a392f327f997e3822c8de9c5d3e81d73cb45e5f0c030dbff59a718a4

/storage/emulated/0/Config/sys/apps/log/log-2024-03-26.txt

MD5 ba30336bf53d54ed3c0ea69dd545de8c
SHA1 ce99c6724c75b93b7448e2d9fac16ca702a5711f
SHA256 2d6988fb5afdaafc4e33fa1f71d6f10c95ab5a49a8ec820add5b13eef05439af
SHA512 eea34ca526e03349e746d3687ea660b4748f0174fe2ffdb65161e232e08630b345e03329614852ce881a71362ba68575e9dd08fa361a416e5b2fb231e21a0a3e

/storage/emulated/0/Config/sys/apps/log/log-2024-03-26.txt

MD5 9510a1f00380b394b4abfc231cdf533c
SHA1 02eb631b1c0437d2afa164a3420aea941de8db6e
SHA256 ec87cd51f36c0388c702b992ee9160bfdaaf64e65f2b30d12a8912566dae2216
SHA512 867ba23ba01a182d7892a7fdea956cc385c6b7369627cdf44421309ee81479097dbe8a3061c5a0c4c5d80829423959114afd198d0f6222ca72e8d7a9b29cadaa

/storage/emulated/0/Config/sys/apps/log/log-2024-03-26.txt

MD5 a9ec0c42a43c72d73c499e5c17ccbb8b
SHA1 731652fbfe61eac3fdb4b9d3e2eaa010848a0906
SHA256 6c5309ce3f31c9af3288b0de3305b7f5ddee97be60ca4ac1184f3c334480c05b
SHA512 5f8ed24a51f68cfa0627aceb9190d3a7febaee61bd5a89898ab113ddaa7ce2a41f129a28c4e200d5e5e4ddff7a483abc0393dc38e870782caf1c46d2ec0df2e3

Analysis: behavioral6

Detonation Overview

Submitted

2024-03-26 18:40

Reported

2024-03-26 18:44

Platform

android-x64-arm64-20240221-en

Max time kernel

166s

Max time network

172s

Command Line

listing.material.pensions

Signatures

Makes use of the framework's Accessibility service

collection evasion
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

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery
Description Indicator Process Target
Framework service call android.content.pm.IPackageManager.getInstalledApplications N/A N/A

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Requests enabling of the accessibility settings.

Description Indicator Process Target
Intent action android.settings.ACCESSIBILITY_SETTINGS 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).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Processes

listing.material.pensions

Network

Country Destination Domain Proto
GB 216.58.201.110:443 tcp
GB 216.58.201.110:443 tcp
N/A 224.0.0.251:5353 udp
GB 142.250.200.10:443 udp
GB 142.250.200.14:443 udp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.180.8:443 ssl.google-analytics.com tcp
DE 192.248.176.196:9998 tcp
GB 172.217.16.228:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.187.228:443 www.google.com tcp
DE 192.248.176.196:9998 tcp
DE 192.248.176.196:9998 tcp

Files

/storage/emulated/0/Config/sys/apps/log/log-2024-03-26.txt

MD5 8cdcd9f39a5d810b08a538b19a72cbd9
SHA1 b0567c6a07da5b51214e63c6e212e986d0a4762b
SHA256 d989029a0c83049ed3a02b564faca1df7cffa947667b3c2f9cce681cd8147b8c
SHA512 f182af48309f15aeedb4cebac41e2c8217e99270ee027fc079cd01dd6077a4b94bd1d960a392f327f997e3822c8de9c5d3e81d73cb45e5f0c030dbff59a718a4

/storage/emulated/0/Config/sys/apps/log/log-2024-03-26.txt

MD5 ba30336bf53d54ed3c0ea69dd545de8c
SHA1 ce99c6724c75b93b7448e2d9fac16ca702a5711f
SHA256 2d6988fb5afdaafc4e33fa1f71d6f10c95ab5a49a8ec820add5b13eef05439af
SHA512 eea34ca526e03349e746d3687ea660b4748f0174fe2ffdb65161e232e08630b345e03329614852ce881a71362ba68575e9dd08fa361a416e5b2fb231e21a0a3e

/storage/emulated/0/Config/sys/apps/log/log-2024-03-26.txt

MD5 9510a1f00380b394b4abfc231cdf533c
SHA1 02eb631b1c0437d2afa164a3420aea941de8db6e
SHA256 ec87cd51f36c0388c702b992ee9160bfdaaf64e65f2b30d12a8912566dae2216
SHA512 867ba23ba01a182d7892a7fdea956cc385c6b7369627cdf44421309ee81479097dbe8a3061c5a0c4c5d80829423959114afd198d0f6222ca72e8d7a9b29cadaa

/storage/emulated/0/Config/sys/apps/log/log-2024-03-26.txt

MD5 b9b530e2448252311640bbecb69b796a
SHA1 215ede46fb42a68a7ae84c3019acb3019668a46c
SHA256 5a290151305de1ec4f790cd8ada8bd68c076a2c4ed497c40a519509659b65150
SHA512 5834499307946d130887067b2f837ddfef7fdfe3a7e5ed8977eb14c2dc1ab328334da35ed4c978e20b3e6b28ff30dbd12f0430f4b7c831481f339d360c260919

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-26 18:40

Reported

2024-03-26 18:44

Platform

android-x86-arm-20240221-en

Max time network

138s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 172.217.169.42:443 semanticlocation-pa.googleapis.com tcp
GB 216.58.201.110:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 172.217.169.10:443 semanticlocation-pa.googleapis.com tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-26 18:40

Reported

2024-03-26 18:44

Platform

android-x64-20240221-en

Max time network

138s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.178.8:443 ssl.google-analytics.com tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 216.58.212.228:443 tcp
GB 216.58.212.228:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-03-26 18:40

Reported

2024-03-26 18:44

Platform

android-x64-arm64-20240221-en

Max time network

169s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.42:443 udp
GB 142.250.178.14:443 udp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 tcp
GB 172.217.16.238:443 android.apis.google.com tcp
GB 172.217.16.238:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.180.8:443 ssl.google-analytics.com tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp

Files

N/A