Malware Analysis Report

2024-10-19 12:59

Sample ID 240828-knjqzssama
Target 4FB5C7CAFC9EEA1117FE8FE205E92789FC68D1B91C36B20EBAA73E4DB32985FD.apk
SHA256 4fb5c7cafc9eea1117fe8fe205e92789fc68d1b91c36b20ebaa73e4db32985fd
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4fb5c7cafc9eea1117fe8fe205e92789fc68d1b91c36b20ebaa73e4db32985fd

Threat Level: Known bad

The file 4FB5C7CAFC9EEA1117FE8FE205E92789FC68D1B91C36B20EBAA73E4DB32985FD.apk was found to be: Known bad.

Malicious Activity Summary

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Octo payload

Octo

Loads dropped Dex/Jar

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

Checks Android system properties for emulator presence.

Makes use of the framework's Accessibility service

Obtains sensitive information copied to the device clipboard

Queries the phone number (MSISDN for GSM devices)

Reads information about phone network operator.

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

Declares services with permission to bind to the system

Attempts to obfuscate APK file format

Declares broadcast receivers with permission to handle system events

Acquires the wake lock

Queries the mobile country code (MCC)

Queries the unique device ID (IMEI, MEID, IMSI)

Makes use of the framework's foreground persistence service

Requests dangerous framework permissions

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

Uses Crypto APIs (Might try to encrypt user data)

Checks CPU information

Checks memory information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-28 08:44

Signatures

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 notification listener services to bind with the system. Allows apps to listen to and interact with notifications on the device. android.permission.BIND_NOTIFICATION_LISTENER_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
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 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 access any geographic locations persisted in the user's shared collection. android.permission.ACCESS_MEDIA_LOCATION N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION 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 an app to post notifications. android.permission.POST_NOTIFICATIONS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to read image or video files from external storage that a user has selected via the permission prompt photo picker. android.permission.READ_MEDIA_VISUAL_USER_SELECTED 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 read SMS messages. android.permission.READ_SMS N/A N/A
Required to be able to connect to paired Bluetooth devices. android.permission.BLUETOOTH_CONNECT N/A N/A
Allows an application to read audio files from external storage. android.permission.READ_MEDIA_AUDIO N/A N/A
Allows an application to monitor incoming MMS messages. android.permission.RECEIVE_MMS N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an application a broad access to external storage in scoped storage. android.permission.MANAGE_EXTERNAL_STORAGE N/A N/A
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to read image files from external storage. android.permission.READ_MEDIA_IMAGES N/A N/A
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS N/A N/A
Allows read access to the device's phone number(s). android.permission.READ_PHONE_NUMBERS N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows an application to read video files from external storage. android.permission.READ_MEDIA_VIDEO N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-28 08:44

Reported

2024-08-28 08:48

Platform

android-x64-20240624-en

Max time kernel

179s

Max time network

187s

Command Line

com.nfont_systemh

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.nfont_systemh/app_garment/qPJqtUQ.json N/A N/A
N/A /data/user/0/com.nfont_systemh/[email protected] 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.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

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

banker discovery

Queries the phone number (MSISDN for GSM devices)

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

Queries the mobile country code (MCC)

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

Reads information about phone network operator.

discovery

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

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal 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

com.nfont_systemh

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 29c1d6845727c32524390cc18b6d96aa.org udp
US 162.33.179.75:443 29c1d6845727c32524390cc18b6d96aa.org tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.178.8:443 ssl.google-analytics.com tcp
GB 142.250.179.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
US 162.33.179.75:443 29c1d6845727c32524390cc18b6d96aa.org tcp
GB 172.217.16.238:443 tcp
GB 216.58.204.66:443 tcp

Files

/data/data/com.nfont_systemh/app_garment/qPJqtUQ.json

MD5 a22183680825e3f04b465a0c293f055f
SHA1 400195016f9fad925afefa100e7c19674cd85702
SHA256 a6a25346dc15879e91c0a3830673f3a9240da33c78928622548f0d99a6825768
SHA512 323774e3489d9bfb7e408aff5a3967b722df7691ef9f72bfb554dcf557de536cb8c2f70c9b2530f42e09222df3ea76af598f389ad27c3a14a3edb227f1018575

/data/data/com.nfont_systemh/app_garment/qPJqtUQ.json

MD5 c6917432d3193e3b043adf90fd7acb3c
SHA1 1ba6e20ac7309f5928ab37359c454346f1d368a8
SHA256 f4cc74ec55972dc345a0904867d6ef2225425730a79d95f52e89c849e842b541
SHA512 f488577208c2adef4952ccde55e7b57934aee1c532acd13747551e821cd2cb01bc3d359b993e67444fc6066da8177ac6504b11c2f0de9592e06e5929d2fc8dfc

/data/user/0/com.nfont_systemh/app_garment/qPJqtUQ.json

MD5 52b33573432d2b9e9445900c22200387
SHA1 c1517d4a5e7aee7fd641022357379461c41a7812
SHA256 46b606fa3d845e07bca762eb0bfbded058969e363328eb66c74c8cb13fa549c7
SHA512 90f87fa5a9441e38a8fb923c1de5c43aed06dad3fd6b28504e0c8cb5ad1b35396af9b6a290ae942b854ba42a2fc3a3e45f4a780d21cd379752293fd4f668436c

/data/data/com.nfont_systemh/files/.s

MD5 77dc50489b9323274732d27dc8a4e803
SHA1 0e02a3595b62489d0739d771881da8604d117c65
SHA256 c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820
SHA512 0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

/data/user/0/com.nfont_systemh/[email protected]

MD5 884f38041733c92d6df19706799805b4
SHA1 689997037c5713dffbd684f244eaef68dfde575c
SHA256 1089ba1ae03eedce821ea12f3b87f73ca5f95664a09f31959de8aac40aea2857
SHA512 6682a2581b799e18a9e54ee49aefaf30ed4cbb9b181f2ff5a04a8fd4d415512b74d6fa57079e3fb75e72bed74d2831cc77a135a23c000b0edb5bfd2119493f16

/data/data/com.nfont_systemh/oat/x86_64/[email protected]

MD5 72738935a547796d822985b88a46c3f1
SHA1 c849dfe1abd5eed0c9770beeecbf464b31ca85b6
SHA256 10f4e42f122763b7bfe2f3a6b5856d91261326f406e165a542a59470280bd305
SHA512 63d3dd76c95349f3bdb27f21d762dd820755f90246df9e94fba8d8f54babd3b8d97e777e39a8e73a5194343d5e4ecad02cb9c6557e07584e0803df9b5d2acdfd

/data/data/com.nfont_systemh/.global.com.nfont_systemh

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

/data/data/com.nfont_systemh/.global.com.nfont_systemh

MD5 55ff2bcc8ac6ff4fb0fbc3d099fd3567
SHA1 1a4e9c750697effca93ea836d76b04d578cba322
SHA256 ddbd98fdb68954d165efca6659e7aa111b127d8b4e923875a6fe12c6118e22dc
SHA512 28a57e0e4057988de2bba08c4bca10582cf1bdd73a8884ce4a23ab05502393a5784db9987440ef4e636fdbd90988f10a9a7be998440cead47c2b08b3744f6396

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-28 08:44

Reported

2024-08-28 08:48

Platform

android-x64-arm64-20240624-en

Max time kernel

179s

Max time network

189s

Command Line

com.nfont_systemh

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.nfont_systemh/app_garment/qPJqtUQ.json N/A N/A
N/A /data/user/0/com.nfont_systemh/[email protected] 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.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

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

banker discovery

Queries the phone number (MSISDN for GSM devices)

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

Queries the mobile country code (MCC)

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

Reads information about phone network operator.

discovery

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

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal 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

com.nfont_systemh

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 142.250.187.206:443 android.apis.google.com tcp
US 1.1.1.1:53 f0940d92473c1d94033f44766ead421a.com udp
US 162.33.179.75:443 f0940d92473c1d94033f44766ead421a.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
GB 172.217.169.78:443 tcp
GB 216.58.201.98:443 tcp
US 162.33.179.75:443 f0940d92473c1d94033f44766ead421a.com tcp

Files

/data/data/com.nfont_systemh/app_garment/qPJqtUQ.json

MD5 a22183680825e3f04b465a0c293f055f
SHA1 400195016f9fad925afefa100e7c19674cd85702
SHA256 a6a25346dc15879e91c0a3830673f3a9240da33c78928622548f0d99a6825768
SHA512 323774e3489d9bfb7e408aff5a3967b722df7691ef9f72bfb554dcf557de536cb8c2f70c9b2530f42e09222df3ea76af598f389ad27c3a14a3edb227f1018575

/data/data/com.nfont_systemh/app_garment/qPJqtUQ.json

MD5 c6917432d3193e3b043adf90fd7acb3c
SHA1 1ba6e20ac7309f5928ab37359c454346f1d368a8
SHA256 f4cc74ec55972dc345a0904867d6ef2225425730a79d95f52e89c849e842b541
SHA512 f488577208c2adef4952ccde55e7b57934aee1c532acd13747551e821cd2cb01bc3d359b993e67444fc6066da8177ac6504b11c2f0de9592e06e5929d2fc8dfc

/data/user/0/com.nfont_systemh/app_garment/qPJqtUQ.json

MD5 52b33573432d2b9e9445900c22200387
SHA1 c1517d4a5e7aee7fd641022357379461c41a7812
SHA256 46b606fa3d845e07bca762eb0bfbded058969e363328eb66c74c8cb13fa549c7
SHA512 90f87fa5a9441e38a8fb923c1de5c43aed06dad3fd6b28504e0c8cb5ad1b35396af9b6a290ae942b854ba42a2fc3a3e45f4a780d21cd379752293fd4f668436c

/data/data/com.nfont_systemh/files/.s

MD5 77dc50489b9323274732d27dc8a4e803
SHA1 0e02a3595b62489d0739d771881da8604d117c65
SHA256 c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820
SHA512 0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

/data/user/0/com.nfont_systemh/[email protected]

MD5 884f38041733c92d6df19706799805b4
SHA1 689997037c5713dffbd684f244eaef68dfde575c
SHA256 1089ba1ae03eedce821ea12f3b87f73ca5f95664a09f31959de8aac40aea2857
SHA512 6682a2581b799e18a9e54ee49aefaf30ed4cbb9b181f2ff5a04a8fd4d415512b74d6fa57079e3fb75e72bed74d2831cc77a135a23c000b0edb5bfd2119493f16

/data/data/com.nfont_systemh/oat/x86_64/[email protected]

MD5 0ae4cf670dc4b9ad74e5c0ec7b375bbf
SHA1 e4bf6da0894a0bd059bf29809fb11d9788a295cb
SHA256 9f9ae4d9127c22ccb3cb9bfe1e9a836e68759ff904176c9ed2eff34ced4a77b9
SHA512 ae59796d2287447b1edfd3ef113a6328ccdda57312c248b37ce9b3d64d74fbe3dc8fdd951d207d92b58724b4bd5fb29430c76898dffd872b589a0606bbb9140b

/data/data/com.nfont_systemh/.global.com.nfont_systemh

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

/data/data/com.nfont_systemh/.global.com.nfont_systemh

MD5 55ff2bcc8ac6ff4fb0fbc3d099fd3567
SHA1 1a4e9c750697effca93ea836d76b04d578cba322
SHA256 ddbd98fdb68954d165efca6659e7aa111b127d8b4e923875a6fe12c6118e22dc
SHA512 28a57e0e4057988de2bba08c4bca10582cf1bdd73a8884ce4a23ab05502393a5784db9987440ef4e636fdbd90988f10a9a7be998440cead47c2b08b3744f6396

Analysis: behavioral3

Detonation Overview

Submitted

2024-08-28 08:44

Reported

2024-08-28 08:48

Platform

android-33-x64-arm64-20240624-en

Max time kernel

179s

Max time network

187s

Command Line

com.nfont_systemh

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.nfont_systemh/app_garment/qPJqtUQ.json N/A N/A
N/A /data/user/0/com.nfont_systemh/[email protected] 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.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

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

banker discovery

Queries the phone number (MSISDN for GSM devices)

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

Queries the mobile country code (MCC)

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

Reads information about phone network operator.

discovery

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

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal 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

com.nfont_systemh

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.228:443 udp
GB 142.250.187.228:443 tcp
GB 142.250.187.228:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.213.14:443 android.apis.google.com tcp
US 1.1.1.1:53 5106c5dbc9e0d004489af35abec41027.info udp
US 162.33.179.75:443 5106c5dbc9e0d004489af35abec41027.info tcp
US 1.1.1.1:53 rcs-acs-tmo-us.jibe.google.com udp
US 216.239.36.155:443 rcs-acs-tmo-us.jibe.google.com tcp
US 1.1.1.1:53 remoteprovisioning.googleapis.com udp
US 162.159.61.3:443 tcp
US 162.159.61.3:443 tcp
GB 142.250.180.3:443 tcp
US 162.159.61.3:443 udp
GB 142.250.180.3:443 udp
GB 142.250.187.228:443 tcp
GB 142.250.178.4:443 tcp
GB 142.250.178.4:443 tcp
GB 142.250.187.228:443 udp
GB 216.58.204.67:443 tcp

Files

/data/data/com.nfont_systemh/app_garment/qPJqtUQ.json

MD5 a22183680825e3f04b465a0c293f055f
SHA1 400195016f9fad925afefa100e7c19674cd85702
SHA256 a6a25346dc15879e91c0a3830673f3a9240da33c78928622548f0d99a6825768
SHA512 323774e3489d9bfb7e408aff5a3967b722df7691ef9f72bfb554dcf557de536cb8c2f70c9b2530f42e09222df3ea76af598f389ad27c3a14a3edb227f1018575

/data/data/com.nfont_systemh/app_garment/qPJqtUQ.json

MD5 c6917432d3193e3b043adf90fd7acb3c
SHA1 1ba6e20ac7309f5928ab37359c454346f1d368a8
SHA256 f4cc74ec55972dc345a0904867d6ef2225425730a79d95f52e89c849e842b541
SHA512 f488577208c2adef4952ccde55e7b57934aee1c532acd13747551e821cd2cb01bc3d359b993e67444fc6066da8177ac6504b11c2f0de9592e06e5929d2fc8dfc

/data/user/0/com.nfont_systemh/app_garment/qPJqtUQ.json

MD5 52b33573432d2b9e9445900c22200387
SHA1 c1517d4a5e7aee7fd641022357379461c41a7812
SHA256 46b606fa3d845e07bca762eb0bfbded058969e363328eb66c74c8cb13fa549c7
SHA512 90f87fa5a9441e38a8fb923c1de5c43aed06dad3fd6b28504e0c8cb5ad1b35396af9b6a290ae942b854ba42a2fc3a3e45f4a780d21cd379752293fd4f668436c

/data/data/com.nfont_systemh/files/.s

MD5 77dc50489b9323274732d27dc8a4e803
SHA1 0e02a3595b62489d0739d771881da8604d117c65
SHA256 c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820
SHA512 0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

/data/user/0/com.nfont_systemh/[email protected]

MD5 884f38041733c92d6df19706799805b4
SHA1 689997037c5713dffbd684f244eaef68dfde575c
SHA256 1089ba1ae03eedce821ea12f3b87f73ca5f95664a09f31959de8aac40aea2857
SHA512 6682a2581b799e18a9e54ee49aefaf30ed4cbb9b181f2ff5a04a8fd4d415512b74d6fa57079e3fb75e72bed74d2831cc77a135a23c000b0edb5bfd2119493f16

/data/data/com.nfont_systemh/oat/x86_64/[email protected]

MD5 f27c23dc1dba3527ea7b378110ef3b57
SHA1 5051ccf1fdc17c5fe98cd99dcb698c97e2d0ca48
SHA256 98b0d0618fa10b1cb83bc1e29c92cba34f06448a7003c7f44281bf1790edb89e
SHA512 f722b910fed0b5f589a0ed0dc8e525da66ba247993f8d2d1ba2a2cef4a4f756dd1e0a11d3839281ebeac7888c6219fb5882c7bf42b46f0f72be7688d130217a9

/data/data/com.nfont_systemh/.global.com.nfont_systemh

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

/data/data/com.nfont_systemh/.global.com.nfont_systemh

MD5 55ff2bcc8ac6ff4fb0fbc3d099fd3567
SHA1 1a4e9c750697effca93ea836d76b04d578cba322
SHA256 ddbd98fdb68954d165efca6659e7aa111b127d8b4e923875a6fe12c6118e22dc
SHA512 28a57e0e4057988de2bba08c4bca10582cf1bdd73a8884ce4a23ab05502393a5784db9987440ef4e636fdbd90988f10a9a7be998440cead47c2b08b3744f6396

Analysis: behavioral4

Detonation Overview

Submitted

2024-08-28 08:44

Reported

2024-08-28 08:48

Platform

android-x86-arm-20240624-en

Max time kernel

179s

Max time network

187s

Command Line

com.nfont_systemh

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

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

Checks Android system properties for emulator presence.

evasion
Description Indicator Process Target
Accessed system property key: ro.product.model N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.nfont_systemh/app_garment/qPJqtUQ.json N/A N/A
N/A /data/user/0/com.nfont_systemh/app_garment/qPJqtUQ.json N/A N/A
N/A Anonymous-DexFile@0xc9721000-0xc97a4420 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.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

Queries the phone number (MSISDN for GSM devices)

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

Queries the mobile country code (MCC)

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

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Reads information about phone network operator.

discovery

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

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal 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

com.nfont_systemh

/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.nfont_systemh/app_garment/qPJqtUQ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.nfont_systemh/app_garment/oat/x86/qPJqtUQ.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 5106c5dbc9e0d004489af35abec41027.info udp
US 162.33.179.75:443 5106c5dbc9e0d004489af35abec41027.info tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 216.58.204.74:443 semanticlocation-pa.googleapis.com tcp

Files

/data/data/com.nfont_systemh/app_garment/qPJqtUQ.json

MD5 a22183680825e3f04b465a0c293f055f
SHA1 400195016f9fad925afefa100e7c19674cd85702
SHA256 a6a25346dc15879e91c0a3830673f3a9240da33c78928622548f0d99a6825768
SHA512 323774e3489d9bfb7e408aff5a3967b722df7691ef9f72bfb554dcf557de536cb8c2f70c9b2530f42e09222df3ea76af598f389ad27c3a14a3edb227f1018575

/data/data/com.nfont_systemh/app_garment/qPJqtUQ.json

MD5 c6917432d3193e3b043adf90fd7acb3c
SHA1 1ba6e20ac7309f5928ab37359c454346f1d368a8
SHA256 f4cc74ec55972dc345a0904867d6ef2225425730a79d95f52e89c849e842b541
SHA512 f488577208c2adef4952ccde55e7b57934aee1c532acd13747551e821cd2cb01bc3d359b993e67444fc6066da8177ac6504b11c2f0de9592e06e5929d2fc8dfc

/data/user/0/com.nfont_systemh/app_garment/qPJqtUQ.json

MD5 52b33573432d2b9e9445900c22200387
SHA1 c1517d4a5e7aee7fd641022357379461c41a7812
SHA256 46b606fa3d845e07bca762eb0bfbded058969e363328eb66c74c8cb13fa549c7
SHA512 90f87fa5a9441e38a8fb923c1de5c43aed06dad3fd6b28504e0c8cb5ad1b35396af9b6a290ae942b854ba42a2fc3a3e45f4a780d21cd379752293fd4f668436c

/data/user/0/com.nfont_systemh/app_garment/qPJqtUQ.json

MD5 76972d818093de18d826d1c2b7729c1b
SHA1 4b5ab289b3d6da7630ba0a829fcfce658a4a4cc9
SHA256 73e33aec75f70fe020a80bc1fc3405340a57c967dadcfa40ae0499078076c25b
SHA512 cbda8bbd6603b93b2a793b8b053242cabcb5eaddbfdf08746fc09c14bb6b0c11851e96a01e249310d04cbc2c45438c8a36113c54184fb46d1e7a48e7bbba5b66

/data/data/com.nfont_systemh/files/.s

MD5 4e73947cabb5db3f92ca85004981b754
SHA1 6d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA256 6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512 be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Anonymous-DexFile@0xc9721000-0xc97a4420

MD5 884f38041733c92d6df19706799805b4
SHA1 689997037c5713dffbd684f244eaef68dfde575c
SHA256 1089ba1ae03eedce821ea12f3b87f73ca5f95664a09f31959de8aac40aea2857
SHA512 6682a2581b799e18a9e54ee49aefaf30ed4cbb9b181f2ff5a04a8fd4d415512b74d6fa57079e3fb75e72bed74d2831cc77a135a23c000b0edb5bfd2119493f16

/data/data/com.nfont_systemh/.global.com.nfont_systemh

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

/data/data/com.nfont_systemh/.global.com.nfont_systemh

MD5 55ff2bcc8ac6ff4fb0fbc3d099fd3567
SHA1 1a4e9c750697effca93ea836d76b04d578cba322
SHA256 ddbd98fdb68954d165efca6659e7aa111b127d8b4e923875a6fe12c6118e22dc
SHA512 28a57e0e4057988de2bba08c4bca10582cf1bdd73a8884ce4a23ab05502393a5784db9987440ef4e636fdbd90988f10a9a7be998440cead47c2b08b3744f6396