Malware Analysis Report

2024-12-07 17:11

Sample ID 241112-1xjeksvrbk
Target 1317f0d7b1d2876d2646be82a45a5d00d144486cb6f2724a29853897f828c278.bin
SHA256 1317f0d7b1d2876d2646be82a45a5d00d144486cb6f2724a29853897f828c278
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

1317f0d7b1d2876d2646be82a45a5d00d144486cb6f2724a29853897f828c278

Threat Level: Known bad

The file 1317f0d7b1d2876d2646be82a45a5d00d144486cb6f2724a29853897f828c278.bin was found to be: Known bad.

Malicious Activity Summary

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

Octo family

Octo

Octo payload

Removes its main activity from the application launcher

Makes use of the framework's Accessibility service

Queries the phone number (MSISDN for GSM devices)

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Loads dropped Dex/Jar

Acquires the wake lock

Requests dangerous framework permissions

Queries the mobile country code (MCC)

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

Reads information about phone network operator.

Requests modifying system settings.

Declares broadcast receivers with permission to handle system events

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

Makes use of the framework's foreground persistence service

Declares services with permission to bind to the system

Performs UI accessibility actions on behalf of the user

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

2024-11-12 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 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

2024-11-12 22:01

Reported

2024-11-12 22:04

Platform

android-x86-arm-20240624-en

Max time kernel

144s

Max time network

146s

Command Line

com.toldidea5

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.toldidea5/cache/jblfjwwfakpul N/A N/A
N/A /data/user/0/com.toldidea5/cache/jblfjwwfakpul 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.toldidea5

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 4b6413903074567453981d0595033c23.com udp
MD 213.159.75.106:443 4b6413903074567453981d0595033c23.com tcp
US 1.1.1.1:53 64b6413903074567453981d0595033c23.com udp
US 1.1.1.1:53 34b6413903074567453981d0595033c23.com udp
US 1.1.1.1:53 7bb13903074567453981d0595033c23.com udp
BG 87.121.86.147:443 7bb13903074567453981d0595033c23.com tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
GB 142.250.187.234:443 semanticlocation-pa.googleapis.com tcp
GB 142.250.178.10:443 semanticlocation-pa.googleapis.com tcp
MD 213.159.75.106:443 4b6413903074567453981d0595033c23.com tcp
MD 213.159.75.106:443 4b6413903074567453981d0595033c23.com tcp
MD 213.159.75.106:443 4b6413903074567453981d0595033c23.com tcp
MD 213.159.75.106:443 4b6413903074567453981d0595033c23.com tcp

Files

/data/data/com.toldidea5/cache/jblfjwwfakpul

MD5 094ac45c8a0b3c474a285baa72f889cc
SHA1 30bac9638ea338c4b5228bf01f400d4fa603687c
SHA256 c8bd26167da0de6d622f50f3f05b92cef77750e2caef165a35ac3d2f13a577a1
SHA512 32ff8754aad4372caed5cd4e5709faa0bbd5bc78f41c563df9ddd9be380e0d1fdcf5ca7439a70a3ad2c0e3c8798ea6ee9890c1627299a4b25990a5fc4cfebfd1

/data/data/com.toldidea5/cache/oat/jblfjwwfakpul.cur.prof

MD5 3d5812542c06ee2c48c79332b9053a83
SHA1 57874d5635e5a66004917fbc6418ecd1a911b6d9
SHA256 a30fde7c00db65addc901291bf4b722d5a8eb59a5eac169e410d3ff57bb982a2
SHA512 03927e466c1cd853a1ac9a05d71cffed155dbed35030d8e203cc3ca1f70561b4edd97639c488c5abc79e6e3c6c681f2ef73ec1cf97d4479d1db80cccad36a8e2

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 22:01

Reported

2024-11-12 22:04

Platform

android-33-x64-arm64-20240910-en

Max time kernel

149s

Max time network

152s

Command Line

com.toldidea5

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.toldidea5/cache/jblfjwwfakpul 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

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.toldidea5

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 94b64139033074567453981d0595033c23.com udp
US 1.1.1.1:53 64b6413903074567453981d0595033c23.com udp
US 1.1.1.1:53 4b6413903074567453981d0595033c23.com udp
US 1.1.1.1:53 94b64139030754567453981d0595033c23.com udp
US 1.1.1.1:53 34b6413903074567453981d0595033c23.com udp
MD 213.159.75.106:443 4b6413903074567453981d0595033c23.com tcp
US 1.1.1.1:53 894b6413903074567453981d0595033c23.com udp
MD 213.159.75.106:443 4b6413903074567453981d0595033c23.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com 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 142.250.180.10:443 remoteprovisioning.googleapis.com tcp
GB 142.250.200.46:443 android.apis.google.com udp
MD 213.159.75.106:443 4b6413903074567453981d0595033c23.com tcp
MD 213.159.75.106:443 4b6413903074567453981d0595033c23.com tcp
GB 216.58.212.228:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.178.4:443 www.google.com udp
US 1.1.1.1:53 www.google.com udp
GB 216.58.212.196:443 www.google.com tcp
GB 216.58.213.6:80 tcp
GB 216.58.212.193:443 tcp
GB 172.217.169.65:443 tcp
GB 172.217.169.65:443 tcp
GB 142.250.187.238:443 tcp
GB 172.217.169.65:443 tcp
GB 172.217.169.65:443 tcp
GB 142.250.200.35:443 tcp
US 216.239.34.36:443 tcp

Files

/data/data/com.toldidea5/cache/jblfjwwfakpul

MD5 094ac45c8a0b3c474a285baa72f889cc
SHA1 30bac9638ea338c4b5228bf01f400d4fa603687c
SHA256 c8bd26167da0de6d622f50f3f05b92cef77750e2caef165a35ac3d2f13a577a1
SHA512 32ff8754aad4372caed5cd4e5709faa0bbd5bc78f41c563df9ddd9be380e0d1fdcf5ca7439a70a3ad2c0e3c8798ea6ee9890c1627299a4b25990a5fc4cfebfd1

/data/data/com.toldidea5/cache/oat/jblfjwwfakpul.cur.prof

MD5 4aa5c70cfa6cd806372399883b18b893
SHA1 dfc36edba886f69a90568ca5c21058a34dcacea8
SHA256 52c972a652352e0d1272921d0a97d0a831a23009cba17c82c40eb5d6a73aef8c
SHA512 bbec42539e0f514eaa1aecabf0c2e4b9f5d50128ad678a47d4806cd4fa8cc45d303bf0ed54459b726643a66bac8c1fd61f985dd30fcf27e740aa78463dc7aee9