Malware Analysis Report

2024-12-01 03:02

Sample ID 241107-12tfcaskbp
Target 3475d087c22616f9e8c78c50e0c1591225f60a1212eb863679a761e0f38e7bea.bin
SHA256 3475d087c22616f9e8c78c50e0c1591225f60a1212eb863679a761e0f38e7bea
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 Overview

score
10/10

SHA256

3475d087c22616f9e8c78c50e0c1591225f60a1212eb863679a761e0f38e7bea

Threat Level: Known bad

The file 3475d087c22616f9e8c78c50e0c1591225f60a1212eb863679a761e0f38e7bea.bin was found to be: Known bad.

Malicious Activity Summary

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Octo payload

Octo family

Octo

Obtains sensitive information copied to the device clipboard

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

Queries the phone number (MSISDN for GSM devices)

Makes use of the framework's Accessibility service

Loads dropped Dex/Jar

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

Queries the mobile country code (MCC)

Reads information about phone network operator.

Makes use of the framework's foreground persistence service

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

Acquires the wake lock

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

Declares services with permission to bind to the system

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

Uses Crypto APIs (Might try to encrypt user data)

Checks memory information

Checks CPU information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 22:09

Signatures

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 application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to monitor incoming MMS messages. android.permission.RECEIVE_MMS 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 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 or write the system settings. android.permission.WRITE_SETTINGS 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 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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 22:09

Reported

2024-11-07 22:12

Platform

android-x86-arm-20240624-en

Max time kernel

139s

Max time network

133s

Command Line

com.gkunified0_navbar

Signatures

Octo

banker trojan infostealer rat octo

Octo family

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 Anonymous-DexFile@0xd3278000-0xd32fb984 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.gkunified0_navbar

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.202:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 42aeaa2f18fbd7aab361ff7442c19e5a.net udp
US 1.1.1.1:53 06b21ca877dddd439203893faccaaf39.de udp
US 1.1.1.1:53 4e54a9d05ac22b5ba510d8501d3cb73a.ua udp
US 1.1.1.1:53 0ba34225aa78d735a7976d154677b70e.au udp
US 1.1.1.1:53 c9e49415bb52b3e0db9fc320b95e63aa.ir udp
US 1.1.1.1:53 49d9872691e0b08dd3d0fbd44d10f8e3.com udp
US 1.1.1.1:53 7184c8b13ea56c14d2556438655a6709.org udp
US 1.1.1.1:53 ae7d7a32f3872ac8535e0c14291e30bf.in udp
US 1.1.1.1:53 62b07532ca4b58f66a942e1d2fccf28b.info udp
US 1.1.1.1:53 8e91f3acdf94168af13e3ba8808273b6.uk udp
US 1.1.1.1:53 d3c871c600ea72d49f3b240bf669e5b2.us udp
US 1.1.1.1:53 8161c8d8e3a28d0a28b8bbef06e11751.ca udp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp

Files

/data/data/com.gkunified0_navbar/files/.x

MD5 4e73947cabb5db3f92ca85004981b754
SHA1 6d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA256 6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512 be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Anonymous-DexFile@0xd3278000-0xd32fb984

MD5 8199ec81459137e153c8770d6d4cd47a
SHA1 cda3d9819852869716c9f735bfad130d2444ca98
SHA256 19f475f62cdd995e83f4e71ceb534e5efdb2f9aaae9af3180eabca6268b16f44
SHA512 80dd51e8f7381d0f017ee5760e1386bdd13c4c8e8c0db8002576801a7ceaafc494c575b044c55f8343bc5c54e971623ed3da687181702b7eb779e4bf608365be

/data/data/com.gkunified0_navbar/.global.com.gkunified0_navbar

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 22:09

Reported

2024-11-07 22:11

Platform

android-x64-arm64-20240910-en

Max time kernel

140s

Max time network

151s

Command Line

com.gkunified0_navbar

Signatures

Octo

banker trojan infostealer rat octo

Octo family

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.gkunified0_navbar/[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.gkunified0_navbar

Network

Country Destination Domain Proto
GB 142.250.200.46:443 tcp
GB 142.250.200.46:443 tcp
N/A 224.0.0.251:5353 udp
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 www.youtube.com udp
GB 172.217.16.238:443 www.youtube.com udp
GB 172.217.16.238:443 www.youtube.com tcp
GB 216.58.204.78:443 www.youtube.com tcp
US 1.1.1.1:53 06b21ca877dddd439203893faccaaf39.de udp
US 1.1.1.1:53 d3c871c600ea72d49f3b240bf669e5b2.us udp
US 1.1.1.1:53 8e91f3acdf94168af13e3ba8808273b6.uk udp
US 1.1.1.1:53 ae7d7a32f3872ac8535e0c14291e30bf.in udp
US 1.1.1.1:53 c9e49415bb52b3e0db9fc320b95e63aa.ir udp
US 1.1.1.1:53 42aeaa2f18fbd7aab361ff7442c19e5a.net udp
US 1.1.1.1:53 8161c8d8e3a28d0a28b8bbef06e11751.ca udp
US 1.1.1.1:53 4e54a9d05ac22b5ba510d8501d3cb73a.ua udp
US 1.1.1.1:53 0ba34225aa78d735a7976d154677b70e.au udp
US 1.1.1.1:53 62b07532ca4b58f66a942e1d2fccf28b.info udp
US 216.239.32.223:443 tcp
US 1.1.1.1:53 7184c8b13ea56c14d2556438655a6709.org udp
US 1.1.1.1:53 49d9872691e0b08dd3d0fbd44d10f8e3.com udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.16.232:443 ssl.google-analytics.com tcp
GB 172.217.16.230:443 tcp
GB 216.58.213.2:443 tcp
GB 142.250.187.193:443 tcp
US 216.239.32.223:443 tcp
GB 216.58.204.65:443 tcp
US 216.239.32.223:443 tcp

Files

/data/data/com.gkunified0_navbar/files/.x

MD5 77dc50489b9323274732d27dc8a4e803
SHA1 0e02a3595b62489d0739d771881da8604d117c65
SHA256 c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820
SHA512 0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

/data/user/0/com.gkunified0_navbar/[email protected]

MD5 8199ec81459137e153c8770d6d4cd47a
SHA1 cda3d9819852869716c9f735bfad130d2444ca98
SHA256 19f475f62cdd995e83f4e71ceb534e5efdb2f9aaae9af3180eabca6268b16f44
SHA512 80dd51e8f7381d0f017ee5760e1386bdd13c4c8e8c0db8002576801a7ceaafc494c575b044c55f8343bc5c54e971623ed3da687181702b7eb779e4bf608365be

/data/data/com.gkunified0_navbar/oat/x86_64/[email protected]

MD5 e08de32b86a1aa96c5c3c8aab22e16c5
SHA1 d5b6d565e1737425d97a703f3e055f1963cd7460
SHA256 89a575ab038afef1a123469eee19b729fbea97562b812c4748d421dedebd2055
SHA512 081ca8ce14a122c85f70b63b13c9cfb52fc274d39125eabf00f6fcd0364e2a2d5a8735dd0c3ae062ce21d447d27ae567830d4bfd59f3e6566a11ea7636a1209c

/data/data/com.gkunified0_navbar/.global.com.gkunified0_navbar

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c