Malware Analysis Report

2025-04-03 14:10

Sample ID 241104-1y3vls1kak
Target 0a4f6e993d782b7eb1dbcbfab023bf6c7bd7d1f95735b2f2b7e39ed1295358da.bin
SHA256 0a4f6e993d782b7eb1dbcbfab023bf6c7bd7d1f95735b2f2b7e39ed1295358da
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

0a4f6e993d782b7eb1dbcbfab023bf6c7bd7d1f95735b2f2b7e39ed1295358da

Threat Level: Known bad

The file 0a4f6e993d782b7eb1dbcbfab023bf6c7bd7d1f95735b2f2b7e39ed1295358da.bin was found to be: Known bad.

Malicious Activity Summary

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

Octo payload

Octo family

Octo

Removes its main activity from the application launcher

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)

Queries the phone number (MSISDN for GSM devices)

Makes use of the framework's Accessibility service

Queries the mobile country code (MCC)

Declares services with permission to bind to the system

Reads information about phone network operator.

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

Requests modifying system settings.

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

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 dangerous framework permissions

Makes use of the framework's foreground persistence service

Acquires the wake lock

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 22:04

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 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 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 22:04

Reported

2024-11-04 22:07

Platform

android-x86-arm-20240624-en

Max time kernel

145s

Max time network

138s

Command Line

com.onno4

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.onno4/cache/gcofdyqqwcfv N/A N/A
N/A /data/user/0/com.onno4/cache/gcofdyqqwcfv 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.onno4

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.42:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 4bb13903074567453981d0595033c23.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 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
GB 142.250.178.10:443 semanticlocation-pa.googleapis.com tcp
GB 142.250.179.234:443 semanticlocation-pa.googleapis.com tcp
MD 213.159.75.106:443 4bb139030b74564533981d0595033c23.com tcp
MD 213.159.75.106:443 4bb139030b74564533981d0595033c23.com tcp

Files

/data/data/com.onno4/cache/gcofdyqqwcfv

MD5 f116a1d7a45ebfe779d2b7f5c837675b
SHA1 1070991be64850b68a28e275b5b2bc1cba1ed884
SHA256 f30b46c6a2ffecb09f7cc12ed039511ff372d30311036c65e36d38a87091ea0f
SHA512 ae649c1be3438858f35645b82b014c1aac66deec9c3d9256679e73a7f961ebad14431478634f253ccf433f8ad757f1057881d88fb8caa2ef037b1f55fbf80adb

/data/data/com.onno4/cache/oat/gcofdyqqwcfv.cur.prof

MD5 034b6b291e2bc481498a40261ef03605
SHA1 0869ba68f9bc9cd8da4e0d80ff6ee650141189af
SHA256 ff2340f549501b1cb2ea0a14c27011998d3d699dcec8fb4f93a2b2938d81f439
SHA512 848b78ac09e08c0cc715c0ce193a894b35b4b99d8ba35cd942a9a88cdf05d243715b9666b24a57b69c6f572631f678e72ddea3932cbda1dd0e80a5a22fab9ab0

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 22:04

Reported

2024-11-04 22:07

Platform

android-x64-20240910-en

Max time kernel

149s

Max time network

155s

Command Line

com.onno4

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.onno4/cache/gcofdyqqwcfv N/A N/A
N/A /data/user/0/com.onno4/cache/gcofdyqqwcfv 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

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.onno4

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.212.234:443 tcp
GB 216.58.212.206:443 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 7bb13903074567453981d0595033c23.com udp
US 1.1.1.1:53 9bb1332453233981d0595033c23.com udp
US 1.1.1.1:53 4bb13903074567453981d0595033c23.com udp
NL 172.86.75.87:443 9bb1332453233981d0595033c23.com tcp
US 1.1.1.1:53 4bb1332453233981d0595033c23.com udp
US 1.1.1.1:53 5bb1332453233981d0595033c23.com udp
MD 213.159.75.106:443 5bb1332453233981d0595033c23.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.16.232:443 ssl.google-analytics.com tcp
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
GB 142.250.200.2:443 tcp
MD 213.159.75.106:443 5bb1332453233981d0595033c23.com tcp
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
MD 213.159.75.106:443 4bb139030b74564533981d0595033c23.com tcp

Files

/data/data/com.onno4/cache/gcofdyqqwcfv

MD5 f116a1d7a45ebfe779d2b7f5c837675b
SHA1 1070991be64850b68a28e275b5b2bc1cba1ed884
SHA256 f30b46c6a2ffecb09f7cc12ed039511ff372d30311036c65e36d38a87091ea0f
SHA512 ae649c1be3438858f35645b82b014c1aac66deec9c3d9256679e73a7f961ebad14431478634f253ccf433f8ad757f1057881d88fb8caa2ef037b1f55fbf80adb

/data/data/com.onno4/cache/oat/gcofdyqqwcfv.cur.prof

MD5 3850d2dc06b2a4a378ea62a34f0fd1e5
SHA1 5738285bac89bb2e8abd08cc30ed3d033322f595
SHA256 5bc3861a78213fc2bc66e24f7e9a15d30ba7f9d418e42c518dc0187bfe9c2a03
SHA512 2060bb18f6511fbc318cc3dc6887c2324bcee51dba41893fa60290cf2f23767febcc37d98110251ff2dc0838f7bb41f4136550e14787d7e67fb0709673584c96