Malware Analysis Report

2024-09-09 13:50

Sample ID 240707-1wv2zsyfpr
Target 08108c842177fe3d03cae7e55a486ecb62789460f5ef61ceae168719d39ce380.bin
SHA256 08108c842177fe3d03cae7e55a486ecb62789460f5ef61ceae168719d39ce380
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

08108c842177fe3d03cae7e55a486ecb62789460f5ef61ceae168719d39ce380

Threat Level: Known bad

The file 08108c842177fe3d03cae7e55a486ecb62789460f5ef61ceae168719d39ce380.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

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

Queries the phone number (MSISDN for GSM devices)

Makes use of the framework's Accessibility service

Loads dropped Dex/Jar

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

Acquires the wake lock

Makes use of the framework's foreground persistence service

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

Declares services with permission to bind to the system

Performs UI accessibility actions on behalf of the user

Reads information about phone network operator.

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

Queries the mobile country code (MCC)

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

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

2024-07-07 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 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

2024-07-07 22:00

Reported

2024-07-07 22:03

Platform

android-x86-arm-20240624-en

Max time kernel

35s

Max time network

151s

Command Line

com.callyoungfj

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.callyoungfj/cache/rzhsuxsnxw N/A N/A
N/A /data/user/0/com.callyoungfj/cache/rzhsuxsnxw 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

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

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.callyoungfj

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 gameernoktassii4.com udp
US 1.1.1.1:53 www.ip-api.com udp
US 1.1.1.1:53 gameernoktasikici5.com udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 gameernoktasii2.com udp
US 1.1.1.1:53 gameernoktaassii8.com udp
US 1.1.1.1:53 gameernoktasiik3.com udp
US 1.1.1.1:53 gameernoktasi.com udp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp

Files

/data/data/com.callyoungfj/cache/rzhsuxsnxw

MD5 21a146560a8c549e4d717201116fdf9c
SHA1 9916260962f36573e40bb8795e3705ef46a3bbf4
SHA256 fab95b1b33547d809a909a80c6925c22ceab71978167eac287a29769b4fa793b
SHA512 82286defe6d5bee01aaa6591d5a7344097ee828cd37f2082ee464fd7ac5a373fad2af1ce19f47d1f047f3194d85f712e2d4c4c7661ce0389862f194f8a2081c4

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-07 22:00

Reported

2024-07-07 22:03

Platform

android-x64-arm64-20240624-en

Max time kernel

179s

Max time network

152s

Command Line

com.callyoungfj

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.callyoungfj/cache/rzhsuxsnxw N/A N/A
N/A /data/user/0/com.callyoungfj/cache/rzhsuxsnxw 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

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.callyoungfj

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.206:443 tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
US 1.1.1.1:53 gameernoktassii4.com udp
US 1.1.1.1:53 gameernoktasii2.com udp
US 1.1.1.1:53 www.ip-api.com udp
US 1.1.1.1:53 gameernoktaassii8.com udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 gameernoktasi.com udp
US 1.1.1.1:53 gameernoktasiik3.com udp
US 1.1.1.1:53 gameernoktasikici5.com udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.212.200:443 ssl.google-analytics.com tcp
GB 142.250.187.228:443 tcp
GB 142.250.187.228:443 tcp

Files

/data/user/0/com.callyoungfj/cache/rzhsuxsnxw

MD5 21a146560a8c549e4d717201116fdf9c
SHA1 9916260962f36573e40bb8795e3705ef46a3bbf4
SHA256 fab95b1b33547d809a909a80c6925c22ceab71978167eac287a29769b4fa793b
SHA512 82286defe6d5bee01aaa6591d5a7344097ee828cd37f2082ee464fd7ac5a373fad2af1ce19f47d1f047f3194d85f712e2d4c4c7661ce0389862f194f8a2081c4

/data/user/0/com.callyoungfj/cache/oat/rzhsuxsnxw.cur.prof

MD5 e3d0df0a9d87117623ee8f271e4d72f7
SHA1 104f1fc3a1f1f4cddb5c112546b5821fb75098e7
SHA256 f79d6213d1cceb0bea8debb6b2ba04aa9783f9c294ecde520759a5900d42f2fc
SHA512 03546e2244983beff00c1cbed4b307e06989f05a8166d8bf34d263d7dcc417daba6493ef006cfd8b4675081c8f51f92fbb039c741e9618da4fb337997cef91aa