Malware Analysis Report

2024-09-09 13:48

Sample ID 240624-1wsxmaxcjp
Target 61cf6fcf001c00522bfb216d5c2066b007bce5ea06fee0d169011a8a03d085ed.bin
SHA256 61cf6fcf001c00522bfb216d5c2066b007bce5ea06fee0d169011a8a03d085ed
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

61cf6fcf001c00522bfb216d5c2066b007bce5ea06fee0d169011a8a03d085ed

Threat Level: Known bad

The file 61cf6fcf001c00522bfb216d5c2066b007bce5ea06fee0d169011a8a03d085ed.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

Removes its main activity from the application launcher

Makes use of the framework's Accessibility service

Queries the phone number (MSISDN for GSM devices)

Loads dropped Dex/Jar

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

Performs UI accessibility actions on behalf of the user

Requests dangerous framework permissions

Acquires the wake lock

Requests modifying system settings.

Queries the mobile country code (MCC)

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

Makes use of the framework's foreground persistence service

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

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

Reads information about phone network operator.

Declares broadcast receivers with permission to handle system events

Declares services with permission to bind to the system

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

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-24 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 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

2024-06-24 22:00

Reported

2024-06-24 22:05

Platform

android-x86-arm-20240624-en

Max time kernel

178s

Max time network

184s

Command Line

com.nightthinkx

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.nightthinkx/cache/oejwtoon N/A N/A
N/A /data/user/0/com.nightthinkx/cache/oejwtoon 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.nightthinkx

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 dertlikaygisiz04.com udp
US 1.1.1.1:53 mamudoiledostadogru.com udp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.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
US 1.1.1.1:53 mamudoilekeyfyap.com udp
US 1.1.1.1:53 sigaracokhojdur1.com udp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
US 1.1.1.1:53 kaygisizamamutlu04.com udp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp

Files

/data/data/com.nightthinkx/cache/oejwtoon

MD5 44024179801f72cdf3835a0f41fc21fe
SHA1 44dd25e72d5cd0d67cddafbaea104c0437bc8556
SHA256 334d236ccac6c4c4b8934ffbcd2eb9a450887fe6e7ca3cb3cf12dac987753c14
SHA512 5be83f3eac67137d3a0dfcfe8154d863d30884ddcaaba95553ea86b01e2626bd21984002010a2432398f04e5c14e5c04a182af1f829a8fb94f2b1c9c1f63e014

/data/data/com.nightthinkx/cache/oat/oejwtoon.cur.prof

MD5 b264d9831c0346fe400fcbef51438cbf
SHA1 0785f41cbf255910bbd23127371f3e955d6f380b
SHA256 37aa45ed173426752961a9b701811b0a9b0c479e0f122c3118bbe23c68347a0f
SHA512 acea4ac50c359891cbab795b63686e80a08e52c4032f1e18f95dac3d7faff1ed3f52ec13eb6de48628655acf6c00d31204adff70aa9065c0a5e89eef0a599004

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 22:00

Reported

2024-06-24 22:05

Platform

android-x64-arm64-20240624-en

Max time kernel

179s

Max time network

185s

Command Line

com.nightthinkx

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.nightthinkx/cache/oejwtoon N/A N/A
N/A /data/user/0/com.nightthinkx/cache/oejwtoon 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.nightthinkx

Network

Country Destination Domain Proto
GB 142.250.187.238:443 tcp
GB 142.250.187.238:443 tcp
GB 142.250.187.238:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 mamudoiledostadogru.com udp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.212.200:443 ssl.google-analytics.com tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
US 1.1.1.1:53 mamudoilekeyfyap.com udp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
US 1.1.1.1:53 kaygisizamamutlu04.com udp
US 1.1.1.1:53 sigaracokhojdur1.com udp
US 1.1.1.1:53 dertlikaygisiz04.com udp
GB 172.217.169.42:443 tcp
GB 142.250.187.227:443 tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.179.228:443 www.google.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
GB 142.250.179.228:443 www.google.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp

Files

/data/data/com.nightthinkx/cache/oejwtoon

MD5 44024179801f72cdf3835a0f41fc21fe
SHA1 44dd25e72d5cd0d67cddafbaea104c0437bc8556
SHA256 334d236ccac6c4c4b8934ffbcd2eb9a450887fe6e7ca3cb3cf12dac987753c14
SHA512 5be83f3eac67137d3a0dfcfe8154d863d30884ddcaaba95553ea86b01e2626bd21984002010a2432398f04e5c14e5c04a182af1f829a8fb94f2b1c9c1f63e014

/data/data/com.nightthinkx/cache/oat/oejwtoon.cur.prof

MD5 f9a86cbd63891117dbc19f592a698a9f
SHA1 2ab6d019f5a80717ee1feae4135d1aefd85a9622
SHA256 ba8a94e93ae880c48ae1ff348d05e12992c5f803f2c61b6b40e7cb5adf928c6d
SHA512 5902782aca6c528d219e2b8e86070a5c13f3021747ff84f1a6385114ae7e28af0993d4e63151b3300e6a104e78d1c5bc722c64c952f24dad1dcab3f84a003892