Malware Analysis Report

2025-01-23 12:29

Sample ID 241031-jyhe8svamb
Target ready_fud.apk
SHA256 94c0797fb3f658b69ffd2ae83ce6d27ae48c0538d2559646c3c646d90fbb43b9
Tags
spynote banker collection credential_access discovery evasion execution persistence stealth trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

94c0797fb3f658b69ffd2ae83ce6d27ae48c0538d2559646c3c646d90fbb43b9

Threat Level: Known bad

The file ready_fud.apk was found to be: Known bad.

Malicious Activity Summary

spynote banker collection credential_access discovery evasion execution persistence stealth trojan

Spynote payload

Spynote family

Removes its main activity from the application launcher

Makes use of the framework's Accessibility service

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

Attempts to obfuscate APK file format

Queries information about active data network

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

Declares services with permission to bind to the system

Makes use of the framework's foreground persistence service

Acquires the wake lock

Performs UI accessibility actions on behalf of the user

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

Schedules tasks to execute at a specified time

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 08:04

Signatures

Spynote family

spynote

Spynote payload

Description Indicator Process Target
N/A N/A N/A N/A

Attempts to obfuscate APK file format

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 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 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: behavioral1

Detonation Overview

Submitted

2024-10-31 08:04

Reported

2024-10-31 08:14

Platform

android-x64-arm64-20240624-en

Max time kernel

59s

Max time network

52s

Command Line

popularity.conversations.active

Signatures

Removes its main activity from the application launcher

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

Makes use of the framework's Accessibility service

collection evasion credential_access
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

Acquires the wake lock

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

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo 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

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule N/A N/A

Processes

popularity.conversations.active

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.232:443 ssl.google-analytics.com tcp
DE 193.233.254.67:7777 tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp

Files

/storage/emulated/0/Config/sys/apps/log/log-2024-10-31.txt

MD5 0ffca1a19a01f549b580d044540e497d
SHA1 8b9136527e2565cd02abf940a74720d84399c3ff
SHA256 7d21efff09f9906ab70f11700318139358fee2ad092af62f98c1124f4ad8fd6d
SHA512 7fed4ad3642476207c91c4873d0b82614b68f7ca3397e0932601df95101d4c062e3a8bfd2641610f7baa756f91eccebc7e9ed0e60560f2b6ce92ce372e226428

/storage/emulated/0/Config/sys/apps/log/log-2024-10-31.txt

MD5 ea2cd29c192da6b91c2d9c5ab7871659
SHA1 fbc2f5f7cba4581aa7788645826fc56b542f88e8
SHA256 f33d22e972838b1c4322a0bd77e1b0abe1b1a01bec7454fac71a698154749301
SHA512 7078fa705af06cff9072101120e9c6ff7454785bd564cafeb6f15825c3373887154a6ab2a18d2823ce0fc1d042d04de6aad87e7f682f246ca498b2fe5cf8cdfa

/storage/emulated/0/Config/sys/apps/log/log-2024-10-31.txt

MD5 ba30336bf53d54ed3c0ea69dd545de8c
SHA1 ce99c6724c75b93b7448e2d9fac16ca702a5711f
SHA256 2d6988fb5afdaafc4e33fa1f71d6f10c95ab5a49a8ec820add5b13eef05439af
SHA512 eea34ca526e03349e746d3687ea660b4748f0174fe2ffdb65161e232e08630b345e03329614852ce881a71362ba68575e9dd08fa361a416e5b2fb231e21a0a3e

/storage/emulated/0/Config/sys/apps/log/log-2024-10-31.txt

MD5 8f532a887c9ac713ddcca2f21fe1ffda
SHA1 d39d00b5cc149a6bf866eb38cee2e0977fb7a8d7
SHA256 0e4ed17a49c892d6494e5d2b72c12c7d4544cb68f03ced1a3ef91ee8e4b8a654
SHA512 0ce690fa67740b8e4ec9af65bd74d6aab50da820dd48f650c59fe6e4aade71a4c85aaa592d31aa2517da5496e376f4f40c59313afe60ef65862732ad8f788073