Malware Analysis Report

2024-10-19 12:58

Sample ID 240823-1xerds1fqm
Target 372f9c754dfe365fb03b187ee9ccffbc96249c3b7afbd4ac29b8684674dee4c6.bin
SHA256 372f9c754dfe365fb03b187ee9ccffbc96249c3b7afbd4ac29b8684674dee4c6
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

372f9c754dfe365fb03b187ee9ccffbc96249c3b7afbd4ac29b8684674dee4c6

Threat Level: Known bad

The file 372f9c754dfe365fb03b187ee9ccffbc96249c3b7afbd4ac29b8684674dee4c6.bin was found to be: Known bad.

Malicious Activity Summary

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

Octo

Octo payload

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)

Loads dropped Dex/Jar

Makes use of the framework's Accessibility service

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

Performs UI accessibility actions on behalf of the user

Reads information about phone network operator.

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

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

Declares services with permission to bind to the system

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

Acquires the wake lock

Makes use of the framework's foreground persistence service

Requests modifying system settings.

Queries the mobile country code (MCC)

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

2024-08-23 22:01

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 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: behavioral1

Detonation Overview

Submitted

2024-08-23 22:01

Reported

2024-08-23 22:09

Platform

android-x86-arm-20240624-en

Max time kernel

33s

Max time network

186s

Command Line

com.wantcertain7

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.wantcertain7/cache/lotdsisuwpvcwt N/A N/A
N/A /data/user/0/com.wantcertain7/cache/lotdsisuwpvcwt 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

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.wantcertain7

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 selamcanm6142.com udp
US 1.1.1.1:53 parlementsigara651.com udp
US 1.1.1.1:53 hasbelgar56142.com udp
US 1.1.1.1:53 nabertglalfa.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
US 1.1.1.1:53 belkemigi6525.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 216.58.212.234:443 semanticlocation-pa.googleapis.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
US 1.1.1.1:53 kemikadam252.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp

Files

/data/data/com.wantcertain7/cache/lotdsisuwpvcwt

MD5 d400a3c0005bc7f5bce315c26d925a2c
SHA1 af128ebf1812b6cf72bc3f725e29c8ee35f9af69
SHA256 5377b15f811d40a3e2fbb8579dd76441136d4ae807402d0b9821892b75cbd8e3
SHA512 8f51a379e7c56c0234c88f993d68582e9fa43494882f772c81324cb820454eab2b262a4b9087b7b1e1bb0f80442a24ec2b991fcd2a7a07fbe8a138c49c45a566

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-23 22:01

Reported

2024-08-23 22:09

Platform

android-x64-arm64-20240624-en

Max time kernel

176s

Max time network

188s

Command Line

com.wantcertain7

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.wantcertain7/cache/lotdsisuwpvcwt N/A N/A
N/A /data/user/0/com.wantcertain7/cache/lotdsisuwpvcwt 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.wantcertain7

Network

Country Destination Domain Proto
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
N/A 224.0.0.251:5353 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 ssl.google-analytics.com udp
GB 142.250.180.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 kemikadam252.com udp
US 1.1.1.1:53 parlementsigara651.com udp
US 1.1.1.1:53 belkemigi6525.com udp
US 1.1.1.1:53 nabertglalfa.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
US 1.1.1.1:53 selamcanm6142.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
US 1.1.1.1:53 hasbelgar56142.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
US 1.1.1.1:53 www.google.com udp
GB 172.217.16.228:443 www.google.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
GB 172.217.16.228:443 www.google.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp

Files

/data/data/com.wantcertain7/cache/lotdsisuwpvcwt

MD5 d400a3c0005bc7f5bce315c26d925a2c
SHA1 af128ebf1812b6cf72bc3f725e29c8ee35f9af69
SHA256 5377b15f811d40a3e2fbb8579dd76441136d4ae807402d0b9821892b75cbd8e3
SHA512 8f51a379e7c56c0234c88f993d68582e9fa43494882f772c81324cb820454eab2b262a4b9087b7b1e1bb0f80442a24ec2b991fcd2a7a07fbe8a138c49c45a566

/data/data/com.wantcertain7/cache/oat/lotdsisuwpvcwt.cur.prof

MD5 60c0b2e06b4804cf6f285589526db4f1
SHA1 6e3434dfd19ed1de28626812ed87b158f7fb7bb0
SHA256 84804aa3cf04251a18495aace846fa63c671a074204cc2d0765437c152c43881
SHA512 21825fbf7db786f25ecb4224870ae99d44258ea4ea6098c189838153d20b8c39259afa329911b74f27fce8ec8e5028ad708db7512c5177f84cf6308559024b3a