Malware Analysis Report

2024-09-09 13:46

Sample ID 240509-1wqghaca83
Target c4debd7a3c4d1f619095e41d6b4dfdcd93549e6bfc783b43da579d66f3def182.bin
SHA256 c4debd7a3c4d1f619095e41d6b4dfdcd93549e6bfc783b43da579d66f3def182
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan stealth
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c4debd7a3c4d1f619095e41d6b4dfdcd93549e6bfc783b43da579d66f3def182

Threat Level: Known bad

The file c4debd7a3c4d1f619095e41d6b4dfdcd93549e6bfc783b43da579d66f3def182.bin was found to be: Known bad.

Malicious Activity Summary

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

Octo

Octo payload

Prevents application removal

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

Removes its main activity from the application launcher

Makes use of the framework's Accessibility service

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)

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

Loads dropped Dex/Jar

Makes use of the framework's foreground persistence service

Queries the mobile country code (MCC)

Queries the phone number (MSISDN for GSM devices)

Declares services with permission to bind to the system

Reads information about phone network operator.

Acquires the wake lock

Requests dangerous framework permissions

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

Declares broadcast receivers with permission to handle system events

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

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-09 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 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: behavioral2

Detonation Overview

Submitted

2024-05-09 22:00

Reported

2024-05-09 22:03

Platform

android-x64-arm64-20240506-en

Max time kernel

152s

Max time network

151s

Command Line

com.windfish66

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.windfish66/cache/nuxocspjui N/A N/A
N/A /data/user/0/com.windfish66/cache/nuxocspjui 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.windfish66

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 www.ip-api.com udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.212.232:443 ssl.google-analytics.com tcp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 moneyeuroland.com udp
US 1.1.1.1:53 2moneyeuroland.net udp
US 1.1.1.1:53 2moneyeuroland.com udp
US 1.1.1.1:53 3moneyeuroland.com udp
US 1.1.1.1:53 moneyeuroland.net udp
TR 45.88.91.229:443 moneyeuroland.net tcp
TR 45.88.91.229:443 moneyeuroland.net tcp
GB 172.217.169.14:443 tcp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp
GB 142.250.187.226:443 tcp
GB 172.217.169.70:443 tcp
GB 142.250.200.34:443 tcp
TR 45.88.91.229:443 moneyeuroland.net tcp
TR 45.88.91.229:443 moneyeuroland.net tcp

Files

/data/user/0/com.windfish66/cache/nuxocspjui

MD5 97c973f4025b530fd7fd704256481506
SHA1 e87f3bf623b300a7c89a930b0bd3202a494dd0bc
SHA256 ddd27cf70b52bc0b1c04f092aae5d515a496be00a074c224084a55de44683483
SHA512 616105547064b5ec68341fd0cafc9ca18f69a4e95c602049bff14d4a8a8f4d45d0eb983d2c7979e91d8c014b7fab535bf5babccad9e9428c909dfb2dd24ddbed

/data/user/0/com.windfish66/cache/oat/nuxocspjui.cur.prof

MD5 1bdecb6bfe496b48b70739a5ed109ab1
SHA1 97fbedab0805ba0218139c4dbe5f9688a4f54c70
SHA256 f009e5cd43aee0279a7cc15b2abc3f81e612e4b4020deb6372cf996fc7a8e6c0
SHA512 053c577ee2f38677d44585ccd3db014a9392db05d72035f952f08e52773f026b2b5d6259f57e832f5b352c80dc23fa922e71686317488270a3eb01e6d87e0be2

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 22:00

Reported

2024-05-09 22:02

Platform

android-x86-arm-20240506-en

Max time kernel

51s

Max time network

142s

Command Line

com.windfish66

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.windfish66/cache/nuxocspjui N/A N/A
N/A /data/user/0/com.windfish66/cache/nuxocspjui 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

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.windfish66

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 moneyeuroland7.com udp
US 1.1.1.1:53 moneyeuroland.com udp
US 1.1.1.1:53 www.ip-api.com udp
US 1.1.1.1:53 2moneyeuroland.net 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 3moneyeuroland.com udp
US 1.1.1.1:53 2moneyeuroland.com udp
US 1.1.1.1:53 moneyeuroland.net udp
TR 45.88.91.229:443 moneyeuroland.net tcp
TR 45.88.91.229:443 moneyeuroland.net tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 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.windfish66/cache/nuxocspjui

MD5 97c973f4025b530fd7fd704256481506
SHA1 e87f3bf623b300a7c89a930b0bd3202a494dd0bc
SHA256 ddd27cf70b52bc0b1c04f092aae5d515a496be00a074c224084a55de44683483
SHA512 616105547064b5ec68341fd0cafc9ca18f69a4e95c602049bff14d4a8a8f4d45d0eb983d2c7979e91d8c014b7fab535bf5babccad9e9428c909dfb2dd24ddbed

/data/data/com.windfish66/cache/oat/nuxocspjui.cur.prof

MD5 00f792e8de0da01adb7a8220ac15587d
SHA1 ccb6ee7817076f3e7e43c47aee44cc4b540aba92
SHA256 d6ff54270c762d4e570c9911b56d9d2f804c713618d57625e3b5efbebda2ffc3
SHA512 8e0ad302d3deea39c2039f6fa16906af3e897651eaee0e058738f8ea0729b777227a5656ff8cb12b21b9ba1ab5163c6a0ed7a0af62322011164aa4cdb69f2e69