Malware Analysis Report

2025-01-23 12:29

Sample ID 241105-kh694axlgt
Target dichvucong.apk
SHA256 e23f0cc174648fc57ab64d6f63f63c5a77c3307798cc3aeadba5ef1753bd3815
Tags
spynote collection credential_access discovery evasion execution persistence impact
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: 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

e23f0cc174648fc57ab64d6f63f63c5a77c3307798cc3aeadba5ef1753bd3815

Threat Level: Known bad

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

Malicious Activity Summary

spynote collection credential_access discovery evasion execution persistence impact

Spynote family

Obtains sensitive information copied to the device clipboard

Makes use of the framework's Accessibility service

Acquires the wake lock

Declares services with permission to bind to the system

Requests dangerous framework permissions

Queries information about active data network

Declares broadcast receivers with permission to handle system events

Queries the mobile country code (MCC)

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

Makes use of the framework's foreground persistence service

Schedules tasks to execute at a specified time

Registers a broadcast receiver at runtime (usually for listening for system events)

Checks memory information

Checks CPU information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-05 08:37

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: behavioral1

Detonation Overview

Submitted

2024-11-05 08:37

Reported

2024-11-05 08:39

Platform

android-x86-arm-20240624-en

Max time kernel

149s

Max time network

150s

Command Line

rick.ima.prompt

Signatures

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

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

Queries information about active data network

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

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone 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

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver 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

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

rick.ima.prompt

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.180.10:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
VN 157.10.203.155:7771 tcp
US 1.1.1.1:53 appfreelancer-87696.web.app udp
US 199.36.158.100:443 appfreelancer-87696.web.app tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
US 1.1.1.1:53 apis.google.com udp
GB 142.250.179.238:443 apis.google.com tcp
US 1.1.1.1:53 appfreelancer-87696.firebaseapp.com udp
US 199.36.158.100:443 appfreelancer-87696.firebaseapp.com tcp
US 1.1.1.1:53 appfreelancer-87696-default-rtdb.firebaseio.com udp
US 34.120.160.131:443 appfreelancer-87696-default-rtdb.firebaseio.com tcp
VN 157.10.203.155:7771 tcp
VN 157.10.203.155:7771 tcp

Files

/storage/emulated/0/Config/sys/apps/log/log-2024-11-05.txt

MD5 018b3d77f1d2e610b73da67b99b2e8ac
SHA1 61a86e311d7112cf80b019b3c7eae7e609147354
SHA256 aaed5282ca8510aa2917d7854cd3f3df6c8810729d7e9ea074ca1fff3d896805
SHA512 15dbc60b472d44ca00a64abf65339e25e3f68b62fc4c8a3b6286c648ac6ffcd9e454484a3e06bd013a04e91b5ab3e6b586a5fa8077e46570a4eda15553faa347

/storage/emulated/0/Config/sys/apps/log/log-2024-11-05.txt

MD5 ba30336bf53d54ed3c0ea69dd545de8c
SHA1 ce99c6724c75b93b7448e2d9fac16ca702a5711f
SHA256 2d6988fb5afdaafc4e33fa1f71d6f10c95ab5a49a8ec820add5b13eef05439af
SHA512 eea34ca526e03349e746d3687ea660b4748f0174fe2ffdb65161e232e08630b345e03329614852ce881a71362ba68575e9dd08fa361a416e5b2fb231e21a0a3e

/storage/emulated/0/Config/sys/apps/log/log-2024-11-05.txt

MD5 aed990c55a73fb2c2e94df86a829bc10
SHA1 5d181ad9b57e7a8eb4e2d5c46134e6c1ee47522a
SHA256 3e48718f47d6e38b6374230566ca1495ed4ebfcc4787592370abdfdc9ce58be2
SHA512 1b1ca6895e78c1532e93f0de2d85ed3e1214e6e2343098770cbdbacbe774b6df2869695c263a98f33ceee432242b5a3dbf191806952bec10dc895fd7e3fd7473

/storage/emulated/0/Config/sys/apps/log/log-2024-11-05.txt

MD5 784b7a0452be214bc49d40266e1490c5
SHA1 0fd66c07e25c7bfd3183697fa080c5375bfb0ebf
SHA256 b2ade053f1423b8026e191933217cee950d5e534581879e9e2985e80688d49cd
SHA512 21dad8aa77ef868f6ff0230afcba3546d6874bc6654033e5eac2e1456834d0ee45140d8dc986a889081c76ecfd6054598ce63828986ce57ff0438911721f5e41

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-05 08:37

Reported

2024-11-05 08:39

Platform

android-x64-20240624-en

Max time kernel

149s

Max time network

155s

Command Line

rick.ima.prompt

Signatures

Makes use of the framework's Accessibility service

collection evasion credential_access
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

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener N/A N/A

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

Queries information about active data network

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

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver 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

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

rick.ima.prompt

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
VN 157.10.203.155:7771 tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
US 1.1.1.1:53 appfreelancer-87696.web.app udp
US 199.36.158.100:443 appfreelancer-87696.web.app tcp
US 1.1.1.1:53 apis.google.com udp
GB 142.250.200.46:443 apis.google.com tcp
US 1.1.1.1:53 appfreelancer-87696.firebaseapp.com udp
US 199.36.158.100:443 appfreelancer-87696.firebaseapp.com tcp
US 1.1.1.1:53 appfreelancer-87696-default-rtdb.firebaseio.com udp
US 35.201.97.85:443 appfreelancer-87696-default-rtdb.firebaseio.com tcp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp
VN 157.10.203.155:7771 tcp
GB 172.217.16.238:443 tcp
GB 216.58.201.98:443 tcp
VN 157.10.203.155:7771 tcp

Files

/storage/emulated/0/Config/sys/apps/log/log-2024-11-05.txt

MD5 018b3d77f1d2e610b73da67b99b2e8ac
SHA1 61a86e311d7112cf80b019b3c7eae7e609147354
SHA256 aaed5282ca8510aa2917d7854cd3f3df6c8810729d7e9ea074ca1fff3d896805
SHA512 15dbc60b472d44ca00a64abf65339e25e3f68b62fc4c8a3b6286c648ac6ffcd9e454484a3e06bd013a04e91b5ab3e6b586a5fa8077e46570a4eda15553faa347

/storage/emulated/0/Config/sys/apps/log/log-2024-11-05.txt

MD5 ba30336bf53d54ed3c0ea69dd545de8c
SHA1 ce99c6724c75b93b7448e2d9fac16ca702a5711f
SHA256 2d6988fb5afdaafc4e33fa1f71d6f10c95ab5a49a8ec820add5b13eef05439af
SHA512 eea34ca526e03349e746d3687ea660b4748f0174fe2ffdb65161e232e08630b345e03329614852ce881a71362ba68575e9dd08fa361a416e5b2fb231e21a0a3e

/storage/emulated/0/Config/sys/apps/log/log-2024-11-05.txt

MD5 8d214ae704bc0c44da7c65015d5595d3
SHA1 8da188f6115cba250d2bbd26afb21dda18c48ed0
SHA256 0baf8be087d2905f6353a6cb77f5cc3b9844efeb93b83e27a7264a7a96090e56
SHA512 2d74077ef3f3ae3f4970d3af9e8d00d9770afeaf6ea64902626b423f3795887f007866a9b6859d7489c1a1b97d4ed85555164843fd9d48a8bf5aeb9f3c5a3fe0

/storage/emulated/0/Config/sys/apps/log/log-2024-11-05.txt

MD5 784b7a0452be214bc49d40266e1490c5
SHA1 0fd66c07e25c7bfd3183697fa080c5375bfb0ebf
SHA256 b2ade053f1423b8026e191933217cee950d5e534581879e9e2985e80688d49cd
SHA512 21dad8aa77ef868f6ff0230afcba3546d6874bc6654033e5eac2e1456834d0ee45140d8dc986a889081c76ecfd6054598ce63828986ce57ff0438911721f5e41

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-05 08:37

Reported

2024-11-05 08:39

Platform

android-x64-arm64-20240910-en

Max time kernel

149s

Max time network

151s

Command Line

rick.ima.prompt

Signatures

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

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener N/A N/A

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

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

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

rick.ima.prompt

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 www.youtube.com udp
GB 142.250.187.206:443 www.youtube.com tcp
GB 142.250.200.14:443 www.youtube.com udp
GB 142.250.200.14:443 www.youtube.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
GB 142.250.200.14:443 android.apis.google.com tcp
US 216.239.32.223:443 tcp
VN 157.10.203.155:7771 tcp
US 1.1.1.1:53 appfreelancer-87696.web.app udp
US 199.36.158.100:443 appfreelancer-87696.web.app tcp
US 1.1.1.1:53 apis.google.com udp
GB 142.250.200.14:443 apis.google.com tcp
US 1.1.1.1:53 appfreelancer-87696.firebaseapp.com udp
US 199.36.158.100:443 appfreelancer-87696.firebaseapp.com tcp
US 1.1.1.1:53 appfreelancer-87696-default-rtdb.firebaseio.com udp
US 35.201.97.85:443 appfreelancer-87696-default-rtdb.firebaseio.com tcp
GB 142.250.179.226:443 tcp
GB 142.250.179.226:443 tcp
GB 216.58.212.230:443 tcp
VN 157.10.203.155:7771 tcp
VN 157.10.203.155:7771 tcp
US 1.1.1.1:53 www.google.com udp
GB 216.58.204.68:443 www.google.com tcp
GB 172.217.16.238:443 www.youtube.com tcp
GB 142.250.187.225:443 tcp
US 216.239.32.223:443 tcp
GB 142.250.178.1:443 tcp
US 216.239.32.223:443 tcp

Files

/storage/emulated/0/Config/sys/apps/log/log-2024-11-05.txt

MD5 018b3d77f1d2e610b73da67b99b2e8ac
SHA1 61a86e311d7112cf80b019b3c7eae7e609147354
SHA256 aaed5282ca8510aa2917d7854cd3f3df6c8810729d7e9ea074ca1fff3d896805
SHA512 15dbc60b472d44ca00a64abf65339e25e3f68b62fc4c8a3b6286c648ac6ffcd9e454484a3e06bd013a04e91b5ab3e6b586a5fa8077e46570a4eda15553faa347

/storage/emulated/0/Config/sys/apps/log/log-2024-11-05.txt

MD5 ba30336bf53d54ed3c0ea69dd545de8c
SHA1 ce99c6724c75b93b7448e2d9fac16ca702a5711f
SHA256 2d6988fb5afdaafc4e33fa1f71d6f10c95ab5a49a8ec820add5b13eef05439af
SHA512 eea34ca526e03349e746d3687ea660b4748f0174fe2ffdb65161e232e08630b345e03329614852ce881a71362ba68575e9dd08fa361a416e5b2fb231e21a0a3e

/storage/emulated/0/Config/sys/apps/log/log-2024-11-05.txt

MD5 8d214ae704bc0c44da7c65015d5595d3
SHA1 8da188f6115cba250d2bbd26afb21dda18c48ed0
SHA256 0baf8be087d2905f6353a6cb77f5cc3b9844efeb93b83e27a7264a7a96090e56
SHA512 2d74077ef3f3ae3f4970d3af9e8d00d9770afeaf6ea64902626b423f3795887f007866a9b6859d7489c1a1b97d4ed85555164843fd9d48a8bf5aeb9f3c5a3fe0

/storage/emulated/0/Config/sys/apps/log/log-2024-11-05.txt

MD5 784b7a0452be214bc49d40266e1490c5
SHA1 0fd66c07e25c7bfd3183697fa080c5375bfb0ebf
SHA256 b2ade053f1423b8026e191933217cee950d5e534581879e9e2985e80688d49cd
SHA512 21dad8aa77ef868f6ff0230afcba3546d6874bc6654033e5eac2e1456834d0ee45140d8dc986a889081c76ecfd6054598ce63828986ce57ff0438911721f5e41