Malware Analysis Report

2025-04-03 14:13

Sample ID 241104-12c4csxpfz
Target 718b70513fa53fe755718508ff2a45ebd4671edbd3e0f32dd61bba0886a74209.bin
SHA256 718b70513fa53fe755718508ff2a45ebd4671edbd3e0f32dd61bba0886a74209
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

718b70513fa53fe755718508ff2a45ebd4671edbd3e0f32dd61bba0886a74209

Threat Level: Known bad

The file 718b70513fa53fe755718508ff2a45ebd4671edbd3e0f32dd61bba0886a74209.bin was found to be: Known bad.

Malicious Activity Summary

octo banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan

Octo family

Octo

Octo payload

Removes its main activity from the application launcher

Loads dropped Dex/Jar

Makes use of the framework's Accessibility service

Queries the phone number (MSISDN for GSM devices)

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 foreground persistence service

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

Declares broadcast receivers with permission to handle system events

Performs UI accessibility actions on behalf of the user

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

Requests modifying system settings.

Reads information about phone network operator.

Declares services with permission to bind to the system

Acquires the wake lock

Queries the mobile country code (MCC)

Requests accessing notifications (often used to intercept notifications before users become aware).

Requests dangerous framework permissions

Uses Crypto APIs (Might try to encrypt user data)

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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 22:08

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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
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 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 applications to use exact alarm APIs. android.permission.SCHEDULE_EXACT_ALARM 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

2024-11-04 22:08

Reported

2024-11-04 22:10

Platform

android-x86-arm-20240910-en

Max time kernel

149s

Max time network

150s

Command Line

com.helproom8

Signatures

Octo

banker trojan infostealer rat octo

Octo family

octo

Octo payload

Description Indicator Process Target
N/A N/A 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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.helproom8/cache/iqgbaniaguhqbc N/A N/A
N/A /data/user/0/com.helproom8/cache/iqgbaniaguhqbc 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

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 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 accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS 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

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS 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

Processes

com.helproom8

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 4bb1332453233981d0595033c23.com udp
US 1.1.1.1:53 6bb1390306788b33981d0595033c23.com udp
US 1.1.1.1:53 4bb139030b74564533981d0595033c23.com udp
US 1.1.1.1:53 43313903074567453981d0595033c23.com udp
MD 213.159.75.106:443 4bb139030b74564533981d0595033c23.com tcp
US 1.1.1.1:53 4bb13903074567453981d0595033c23.com udp
US 1.1.1.1:53 4b6432453233981d0595033c23.com udp
MD 213.159.75.106:443 4bb139030b74564533981d0595033c23.com tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 142.250.187.206:443 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
MD 213.159.75.106:443 4bb139030b74564533981d0595033c23.com tcp
MD 213.159.75.106:443 4bb139030b74564533981d0595033c23.com tcp
GB 216.58.212.234:443 tcp
GB 142.250.187.226:443 tcp

Files

/data/data/com.helproom8/cache/iqgbaniaguhqbc

MD5 37debb9c700e64b62761d77056b18cc9
SHA1 55c56146b4269a2bc1c103fb468851b30d3c706b
SHA256 4032c3e358eea8b5a1975b37bae8970b5d2cccce401595392a1008c117289425
SHA512 fc48ff68df9ee110ab505f5945a0bada729f4b4daf03796d01345cd893787b0e76579cb270eecd64e859d0d24d32d38343756d737d359dcd37ddece1e7734c9d

/data/data/com.helproom8/cache/oat/iqgbaniaguhqbc.cur.prof

MD5 5303b65ef9ba0045aa1bbb7b6faabc7d
SHA1 48a02b26a74be966b6e3d4cb32c02c3d5e6a2ad7
SHA256 1f9319556e967dc76caaeb8df9a99db9ecb44cf016cefef9d2835ab82e169a14
SHA512 2a9ed8565c75e25f07d75174af0999633c4aeb1d2576b0cef9720d5cdad767d26a75869ef0e7ac25da5afd59c060b4c74724bf6cb568b8a6cfebf7c0dc832160

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 22:08

Reported

2024-11-04 22:11

Platform

android-x64-arm64-20240624-en

Max time kernel

149s

Max time network

147s

Command Line

com.helproom8

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.helproom8/cache/iqgbaniaguhqbc N/A N/A
N/A /data/user/0/com.helproom8/cache/iqgbaniaguhqbc 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

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 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 accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS 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

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS 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

Processes

com.helproom8

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.179.238:443 tcp
GB 142.250.179.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
US 1.1.1.1:53 4bb13903074567453981d0595033c23.com udp
US 1.1.1.1:53 4bb1332453233981d0595033c23.com udp
US 1.1.1.1:53 4b6432453233981d0595033c23.com udp
US 1.1.1.1:53 6bb1390306788b33981d0595033c23.com udp
US 1.1.1.1:53 3bb139030bc7238b33981d0595033c23.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.213.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 43313903074567453981d0595033c23.com udp
US 1.1.1.1:53 4bb139030b74564533981d0595033c23.com udp
MD 213.159.75.106:443 4bb139030b74564533981d0595033c23.com tcp
MD 213.159.75.106:443 4bb139030b74564533981d0595033c23.com tcp
GB 142.250.187.196:443 tcp
GB 142.250.187.196:443 tcp
MD 213.159.75.106:443 4bb139030b74564533981d0595033c23.com tcp
MD 213.159.75.106:443 4bb139030b74564533981d0595033c23.com tcp

Files

/data/data/com.helproom8/cache/iqgbaniaguhqbc

MD5 37debb9c700e64b62761d77056b18cc9
SHA1 55c56146b4269a2bc1c103fb468851b30d3c706b
SHA256 4032c3e358eea8b5a1975b37bae8970b5d2cccce401595392a1008c117289425
SHA512 fc48ff68df9ee110ab505f5945a0bada729f4b4daf03796d01345cd893787b0e76579cb270eecd64e859d0d24d32d38343756d737d359dcd37ddece1e7734c9d

/data/data/com.helproom8/cache/oat/iqgbaniaguhqbc.cur.prof

MD5 07f53157acf3c67ffd41f1b6dd7ae15d
SHA1 8fbe66fe9179cd1007fe33ce14b37e2a0336fb26
SHA256 80928f908f8627da18bb515192198546361388bb82d3792dec061a848032af4a
SHA512 255389e17f823f4f4e21b3721d1a0d5614160a82ff81d1317552b48ecf7547180b5af30b00840b37d2e2570508a6217b590ca8389d21775b83c935c3e758ca3b