Malware Analysis Report

2024-09-09 13:45

Sample ID 240509-1xasfacb35
Target 23a78510f80cbf49012fb6093b484e7651cc13f20efc08f2e8a7ec84a75793a0.bin
SHA256 23a78510f80cbf49012fb6093b484e7651cc13f20efc08f2e8a7ec84a75793a0
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 Matrix

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

23a78510f80cbf49012fb6093b484e7651cc13f20efc08f2e8a7ec84a75793a0

Threat Level: Known bad

The file 23a78510f80cbf49012fb6093b484e7651cc13f20efc08f2e8a7ec84a75793a0.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

Makes use of the framework's Accessibility service

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

Requests modifying system settings.

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

Prevents application removal

Removes its main activity from the application launcher

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

Makes use of the framework's foreground persistence service

Loads dropped Dex/Jar

Queries the mobile country code (MCC)

Queries the phone number (MSISDN for GSM devices)

Reads information about phone network operator.

Acquires the wake lock

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

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

Declares services with permission to bind to the system

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

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-09 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 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

2024-05-09 22:01

Reported

2024-05-09 22:11

Platform

android-x86-arm-20240506-en

Max time kernel

146s

Max time network

139s

Command Line

com.portnightu

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

Description Indicator Process Target
N/A N/A 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

Prevents application removal

evasion
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction 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

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

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 modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.portnightu/cache/rpgkkjmnowtrjdp N/A N/A
N/A /data/user/0/com.portnightu/cache/rpgkkjmnowtrjdp 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

Queries the phone number (MSISDN for GSM devices)

discovery

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

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

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

discovery

Reads information about phone network operator.

discovery

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.portnightu

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 2moneyeuroland.net udp
US 1.1.1.1:53 moneyeuroland7.com udp
US 1.1.1.1:53 2moneyeuroland.com udp
US 1.1.1.1:53 moneyeuroland.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 moneyeurolandcamp.net udp
US 1.1.1.1:53 moneyeuroland.net udp
TR 45.88.91.229:443 moneyeuroland.net tcp
US 1.1.1.1:53 3moneyeuroland.com udp
TR 45.88.91.229:443 moneyeuroland.net tcp
GB 172.217.16.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.180.14:443 android.apis.google.com tcp
TR 45.88.91.229:443 moneyeuroland.net tcp
TR 45.88.91.229:443 moneyeuroland.net tcp

Files

/data/data/com.portnightu/cache/rpgkkjmnowtrjdp

MD5 c4d91af24e4a3b926cca12b765db6425
SHA1 9ddbe60f004738c7e755e8863a5fe7dcfa57b82a
SHA256 408495c42c16e577ab01ea4fceb8881004ba5b0481a78e083a137055d3298d02
SHA512 43ce24fe234aeb6c9a794bf33d64b3fd113cd470a2ea2203e63604b4930961df3a3467cedc0229c2e40bc322d1575f42c0f1c96a2f72ed7ca1e6c18bbb0d4c0a

/data/data/com.portnightu/cache/oat/rpgkkjmnowtrjdp.cur.prof

MD5 e323b847b48b39afe3fd1228dc31e2fd
SHA1 c54c474aaeddb00201a8f56f9b22d917c7a48d73
SHA256 4b9864f0cb2c07eb6b4d836857294e3f1629225582690349548815a8b31be560
SHA512 68cd6b17782b0acf714e9f73c77a847291fd24e4652d2115329207c54d98ee5c64f10a3ee042e59924543107a2e3d4f6b1f87098c4ede201db7cc7ea9193a3d9

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 22:01

Reported

2024-05-09 22:11

Platform

android-x64-arm64-20240506-en

Max time kernel

152s

Max time network

156s

Command Line

com.portnightu

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

Description Indicator Process Target
N/A N/A 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

Prevents application removal

evasion
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction 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

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 modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.portnightu/cache/rpgkkjmnowtrjdp N/A N/A
N/A /data/user/0/com.portnightu/cache/rpgkkjmnowtrjdp 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

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

Reads information about phone network operator.

discovery

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.portnightu

Network

Country Destination Domain Proto
GB 172.217.16.238:443 tcp
GB 172.217.16.238:443 tcp
GB 172.217.16.238:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.40:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 2moneyeuroland.com udp
US 1.1.1.1:53 moneyeuroland.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 moneyeurolandcamp.net udp
US 1.1.1.1:53 moneyeuroland.net udp
TR 45.88.91.229:443 moneyeuroland.net tcp
US 1.1.1.1:53 2moneyeuroland.net udp
US 1.1.1.1:53 moneyeuroland7.com udp
TR 45.88.91.229:443 moneyeuroland.net tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.2:443 tcp
GB 216.58.213.14:443 tcp
TR 45.88.91.229:443 moneyeuroland.net tcp
TR 45.88.91.229:443 moneyeuroland.net tcp

Files

/data/user/0/com.portnightu/cache/rpgkkjmnowtrjdp

MD5 c4d91af24e4a3b926cca12b765db6425
SHA1 9ddbe60f004738c7e755e8863a5fe7dcfa57b82a
SHA256 408495c42c16e577ab01ea4fceb8881004ba5b0481a78e083a137055d3298d02
SHA512 43ce24fe234aeb6c9a794bf33d64b3fd113cd470a2ea2203e63604b4930961df3a3467cedc0229c2e40bc322d1575f42c0f1c96a2f72ed7ca1e6c18bbb0d4c0a

/data/user/0/com.portnightu/cache/oat/rpgkkjmnowtrjdp.cur.prof

MD5 74ca4a089472daf69ee80b927e822594
SHA1 60b9e17e25f5c4f8bab36b176b85da1265d03c16
SHA256 dfd4e4af76159874cf7b19432baebefce0d3df3e2504ad73ba045ace9b04dca6
SHA512 663fdcce96abcd20ba71ca95c9b39e05d93244eda011c9a03714f1ca5ff0fce36cd4806f3bb166066b54210bbaae32d1c3f88a338954a10e7f2bbe4893117cc0