Malware Analysis Report

2024-07-28 11:40

Sample ID 240618-2f5rxsyakb
Target 3fff86c145570902a57194c4b0eb2d2231aff0d3108bb49b5f56ea80fdb9cc91.bin
SHA256 3fff86c145570902a57194c4b0eb2d2231aff0d3108bb49b5f56ea80fdb9cc91
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan stealth
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3fff86c145570902a57194c4b0eb2d2231aff0d3108bb49b5f56ea80fdb9cc91

Threat Level: Known bad

The file 3fff86c145570902a57194c4b0eb2d2231aff0d3108bb49b5f56ea80fdb9cc91.bin was found to be: Known bad.

Malicious Activity Summary

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

Octo

Octo payload

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

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

Declares services with permission to bind to the system

Requests modifying system settings.

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

Performs UI accessibility actions on behalf of the user

Acquires the wake lock

Queries the mobile country code (MCC)

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

Requests dangerous framework permissions

Makes use of the framework's foreground persistence service

Reads information about phone network operator.

Declares broadcast receivers with permission to handle system events

Uses Crypto APIs (Might try to encrypt user data)

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

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-18 22:32

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 application to read from external storage. android.permission.READ_EXTERNAL_STORAGE 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 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: behavioral2

Detonation Overview

Submitted

2024-06-18 22:32

Reported

2024-06-18 22:35

Platform

android-33-x64-arm64-20240611.1-en

Max time kernel

179s

Max time network

132s

Command Line

com.mileonly8

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.mileonly8/cache/ucordlnw 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.mileonly8

Network

Country Destination Domain Proto
GB 172.217.169.36:443 udp
GB 172.217.169.36:443 udp
BE 173.194.76.188:5228 tcp
GB 172.217.16.228:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 cruelveblack32.com udp
US 1.1.1.1:53 gurcistancruell33.com udp
US 1.1.1.1:53 cruelgurcistandaaaa42.com udp
US 1.1.1.1:53 lalagkcvagurcuuuu.com udp
US 1.1.1.1:53 biricruelidurdursunn.com udp
US 1.1.1.1:53 biricruelidurdursunloo.com udp
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 remoteprovisioning.googleapis.com udp
US 162.159.61.3:443 tcp
US 162.159.61.3:443 tcp
US 162.159.61.3:443 udp
US 34.104.35.123:80 tcp
GB 172.217.169.36:443 udp
GB 142.250.179.228:443 udp
GB 172.217.169.36:443 tcp
GB 172.217.169.36:443 tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
GB 216.58.212.195:443 tcp
GB 142.250.200.46:443 tcp
GB 142.250.187.206:443 android.apis.google.com tcp

Files

/data/data/com.mileonly8/cache/ucordlnw

MD5 08cfea6fe96c9b3e99da17f659397157
SHA1 8abfe8a4c8b000f89fc0c58685f9d6c8bb691657
SHA256 b2b2020c37f37fdff2cb43a80a036e40e3669b7384540a697074610885df2965
SHA512 3ee5a0d845469aac17a769c38cc9bc2eaded30c9498f06f361e430dd61750d036d144441c72d7638f27f33afae11f32e2e93c9300bafe3c9a2e08a702d0d1fe8

/data/data/com.mileonly8/cache/oat/ucordlnw.cur.prof

MD5 ec1f115ff6e0797786ce1fd5f3e44a2c
SHA1 4a224153f3c444a264796b327fd64f5c5224e347
SHA256 a2be7c4687452dd6232fd2ddab39fd7ef6330367a6a917fbbf641d489c171a2b
SHA512 84e608b839d970d85864ab2df846c7545454122c19627532a9998b7b57c1721db0a2cdafc6defb337a6a181c9e127ba74e1411c53b45d007c528924e289cf341

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-18 22:32

Reported

2024-06-18 22:35

Platform

android-x86-arm-20240611.1-en

Max time kernel

178s

Max time network

164s

Command Line

com.mileonly8

Signatures

Octo

banker trojan infostealer rat 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.mileonly8/cache/ucordlnw N/A N/A
N/A /data/user/0/com.mileonly8/cache/ucordlnw 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.mileonly8

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 biricruelidurdursunloo.com udp
US 1.1.1.1:53 gurcistancruell33.com udp
US 1.1.1.1:53 cruelgurcistandaaaa42.com udp
US 1.1.1.1:53 lalagkcvagurcuuuu.com udp
US 1.1.1.1:53 biricruelidurdursunn.com udp
US 1.1.1.1:53 cruelveblack32.com udp
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 172.217.169.74:443 semanticlocation-pa.googleapis.com tcp
GB 216.58.212.202:443 tcp

Files

/data/data/com.mileonly8/cache/ucordlnw

MD5 08cfea6fe96c9b3e99da17f659397157
SHA1 8abfe8a4c8b000f89fc0c58685f9d6c8bb691657
SHA256 b2b2020c37f37fdff2cb43a80a036e40e3669b7384540a697074610885df2965
SHA512 3ee5a0d845469aac17a769c38cc9bc2eaded30c9498f06f361e430dd61750d036d144441c72d7638f27f33afae11f32e2e93c9300bafe3c9a2e08a702d0d1fe8

/data/data/com.mileonly8/cache/oat/ucordlnw.cur.prof

MD5 bffed1700bbe6588aab32f1308abb285
SHA1 463bb7efae443fdd9cc559df85d4e27670fc049c
SHA256 9118fe2865da8f8024d158a372fe1de8c75ad39bc535e8dfa6b268ea66b217f4
SHA512 36a5bad7faa8094daebdaf14a2d7bef973012727fa7d518dbb9d95e81cdb911a47d8bdf0c6dcc4cecf0d3a2b1b41473b1a30bf6d1c9b812e1a53ac172da99c46