Malware Analysis Report

2024-10-19 12:59

Sample ID 240823-1wxktayhqa
Target 4def89fcc999b758caadf3d124db3ffade7cd14bcfb9d0ccec678fae4603ad8c.bin
SHA256 4def89fcc999b758caadf3d124db3ffade7cd14bcfb9d0ccec678fae4603ad8c
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

4def89fcc999b758caadf3d124db3ffade7cd14bcfb9d0ccec678fae4603ad8c

Threat Level: Known bad

The file 4def89fcc999b758caadf3d124db3ffade7cd14bcfb9d0ccec678fae4603ad8c.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)

Makes use of the framework's Accessibility service

Loads dropped Dex/Jar

Queries the phone number (MSISDN for GSM devices)

Makes use of the framework's foreground persistence service

Queries the mobile country code (MCC)

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

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

Acquires the wake lock

Requests modifying system settings.

Reads information about phone network operator.

Performs UI accessibility actions on behalf of the user

Declares services with permission to bind to the system

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

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

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 22:00

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 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 22:00

Reported

2024-08-23 22:06

Platform

android-x86-arm-20240624-en

Max time kernel

178s

Max time network

182s

Command Line

com.recordlive7

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.recordlive7/cache/crntk N/A N/A
N/A /data/user/0/com.recordlive7/cache/crntk 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.recordlive7

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.213.10:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.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
US 1.1.1.1:53 selamcanm6142.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.180.14:443 android.apis.google.com tcp
US 1.1.1.1:53 hasbelgar56142.com udp
US 1.1.1.1:53 parlementsigara651.com udp
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
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp

Files

/data/data/com.recordlive7/cache/crntk

MD5 79fda524f2769b13fb552dd3e5e370d0
SHA1 c2024e991a8c92209c8a5bd1fea0b6a2e91a47bd
SHA256 a6cab067bcef33ffc97de950f2a203e12c102f75f94fe895f2ed13062fd96f4a
SHA512 6f03095cdfd914f2f126513cb63a6e37785b8ff77fcb7093b7bc1afedc987a4f2631e83fd03042aa2265e89377af4cd7b3879deae78e009a09fb251f876d93b6

/data/data/com.recordlive7/cache/oat/crntk.cur.prof

MD5 069570c085e3c429feedb74111993199
SHA1 b6fc9074893773c05bd9f88feba5b13a763361db
SHA256 1cb7143eb65d4abcfdf75ec9d99140484a8b2eba7444e8ac482c9a8605ce8854
SHA512 265221b7f253c47004f17ba027105aa566852c61f5ab8f80b95576124ce5851ed65aac70597cbd49f2b4dc2b624b34e8ae74e29ca36aaaa192de2220f8eeaa74

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-23 22:00

Reported

2024-08-23 22:06

Platform

android-x64-arm64-20240624-en

Max time kernel

176s

Max time network

190s

Command Line

com.recordlive7

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.recordlive7/cache/crntk N/A N/A
N/A /data/user/0/com.recordlive7/cache/crntk 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
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.recordlive7

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.16.238:443 tcp
GB 172.217.16.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.178.14:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
US 1.1.1.1:53 belkemigi6525.com udp
US 1.1.1.1:53 selamcanm6142.com udp
US 1.1.1.1:53 kemikadam252.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 142.250.187.196:443 tcp
GB 142.250.187.196:443 tcp
US 1.1.1.1:53 parlementsigara651.com udp
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
RU 193.143.1.25:443 nabertglalfa.com tcp
US 1.1.1.1:53 www.google.com udp
US 1.1.1.1:53 www.google.com udp
GB 172.217.169.68:443 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 172.217.169.68:443 www.google.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp

Files

/data/data/com.recordlive7/cache/crntk

MD5 79fda524f2769b13fb552dd3e5e370d0
SHA1 c2024e991a8c92209c8a5bd1fea0b6a2e91a47bd
SHA256 a6cab067bcef33ffc97de950f2a203e12c102f75f94fe895f2ed13062fd96f4a
SHA512 6f03095cdfd914f2f126513cb63a6e37785b8ff77fcb7093b7bc1afedc987a4f2631e83fd03042aa2265e89377af4cd7b3879deae78e009a09fb251f876d93b6

/data/data/com.recordlive7/cache/oat/crntk.cur.prof

MD5 faf3262ed2c5f378acc6a445fd2064f5
SHA1 a822fc347e9d3289e4a316ba8948f69834bb8eaa
SHA256 5986535694b2b9b01f97175e07f454df88aad17cf357cafef1bfc23ad5c7fa9f
SHA512 d87e0c6093c05a09fc2b8665b74d9e7cf6814541c810790b4ab419671b4222844d82b9d960537321113af1d0e486751fa3d6f5f2caa9a9edcab27d14c802de7d