Malware Analysis Report

2024-10-19 12:58

Sample ID 240825-1w181ayhqp
Target d46853b228b04d08f144c26a10f63442df88b19d86f4543131ab8fa8622be010.bin
SHA256 d46853b228b04d08f144c26a10f63442df88b19d86f4543131ab8fa8622be010
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

d46853b228b04d08f144c26a10f63442df88b19d86f4543131ab8fa8622be010

Threat Level: Known bad

The file d46853b228b04d08f144c26a10f63442df88b19d86f4543131ab8fa8622be010.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

Removes its main activity from the application launcher

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

Acquires the wake lock

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

Makes use of the framework's foreground persistence service

Declares broadcast receivers with permission to handle system events

Performs UI accessibility actions on behalf of the user

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

Reads information about phone network operator.

Declares services with permission to bind to the system

Requests dangerous framework permissions

Queries the mobile country code (MCC)

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

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

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-25 22:00

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 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 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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-25 22:00

Reported

2024-08-25 22:03

Platform

android-x86-arm-20240624-en

Max time kernel

172s

Max time network

140s

Command Line

com.leftspecialcybx

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.leftspecialcybx/cache/fkctvucbxw N/A N/A
N/A /data/user/0/com.leftspecialcybx/cache/fkctvucbxw 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

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

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

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.leftspecialcybx

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.10:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 aiposcmplsoi3467.com udp
US 1.1.1.1:53 aiposcmplso2.com udp
US 1.1.1.1:53 www.ip-api.com udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 aiposcmplso1.com udp
US 1.1.1.1:53 aiposcmplsoi343.com udp
US 1.1.1.1:53 aiposcmplso42343.com udp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
GB 142.250.200.14:443 android.apis.google.com tcp

Files

/data/data/com.leftspecialcybx/cache/fkctvucbxw

MD5 c6448532c346f73207fd965802009092
SHA1 6cac27c4486980c0fc726de2c0e83b0f3425ae9e
SHA256 be425503911f29c77abda2fc8ce19d0969f232ed482672e1fdaa5bc712717e9a
SHA512 75c8cdc4381c792661157bef30aea58bf757ee22613e29d9e23246c0b81007d9de393936bd3eae9a275637051aebbf3a6b0b31b1c81037fbaa9efb658f08be14

/data/data/com.leftspecialcybx/cache/oat/fkctvucbxw.cur.prof

MD5 b73d63bfe2b9dcf30755dd098e339e9f
SHA1 378a94df6ef28e51eef02b72a9a33fbf2393bb3a
SHA256 f75eb5a7ba27b4cb24578c76388ebc04cc4c60e1b194b22263c1fd96a2a22001
SHA512 cbcc550ccfe3528df1574234347f0512b0bae34979af53393f98e6e515c9251475db1dc7e27c024d2c5fd90d1169784d44b2941fdd864763ec233c53c6c1d208

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-25 22:00

Reported

2024-08-25 22:03

Platform

android-33-x64-arm64-20240624-en

Max time kernel

177s

Max time network

170s

Command Line

com.leftspecialcybx

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.leftspecialcybx/cache/fkctvucbxw 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

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 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

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.leftspecialcybx

Network

Country Destination Domain Proto
GB 142.250.200.36:443 udp
N/A 224.0.0.251:5353 udp
GB 142.250.200.36:443 udp
GB 142.250.200.36:443 udp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
GB 172.217.169.10:443 udp
GB 172.217.169.10:443 tcp
GB 172.217.169.10:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
US 1.1.1.1:53 aiposcmplso1.com udp
US 1.1.1.1:53 aiposcmplso42343.com udp
US 1.1.1.1:53 www.ip-api.com udp
US 1.1.1.1:53 aiposcmplso2.com udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 aiposcmplsoi3467.com udp
US 1.1.1.1:53 aiposcmplsoi343.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 216.58.201.99:443 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
GB 142.250.187.202:443 remoteprovisioning.googleapis.com tcp
GB 142.250.200.36:443 tcp
GB 216.58.204.68:443 tcp
GB 216.58.204.68:443 tcp
GB 142.250.200.36:443 tcp
US 172.64.41.3:443 tcp
US 172.64.41.3:443 tcp
US 172.64.41.3:443 tcp
US 1.1.1.1:53 update.googleapis.com udp
GB 142.250.180.3:443 update.googleapis.com tcp
US 172.64.41.3:443 tcp
US 34.104.35.123:80 tcp
US 172.64.41.3:443 udp
GB 142.250.187.227:443 udp
US 172.64.41.3:443 tcp
GB 142.250.200.36:443 udp

Files

/data/user/0/com.leftspecialcybx/cache/fkctvucbxw

MD5 c6448532c346f73207fd965802009092
SHA1 6cac27c4486980c0fc726de2c0e83b0f3425ae9e
SHA256 be425503911f29c77abda2fc8ce19d0969f232ed482672e1fdaa5bc712717e9a
SHA512 75c8cdc4381c792661157bef30aea58bf757ee22613e29d9e23246c0b81007d9de393936bd3eae9a275637051aebbf3a6b0b31b1c81037fbaa9efb658f08be14

/data/user/0/com.leftspecialcybx/cache/oat/fkctvucbxw.cur.prof

MD5 874f4d46bb141c4e48238f26e0f6ef92
SHA1 8da31524751f1e0bb480901b190b4b3022c66680
SHA256 560b2851d58f86e199d4d5b5b5ca379a5960d99a4ca050588e99b8618abac56b
SHA512 a24a9371798eddb77af43e5f127cbb83339c49d836a5bb2a07586d8bd3be07721b206a014be7c7ba782c717ce428153adc892ee143b3e45dac465e6747e82745