Malware Analysis Report

2024-12-01 02:55

Sample ID 241108-pz4yhs1ray
Target c7466d261f3acf4b9f5e80e98671931c8549668471dcf1d8d00ba8bf6f6c803b
SHA256 c7466d261f3acf4b9f5e80e98671931c8549668471dcf1d8d00ba8bf6f6c803b
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat 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 Overview

score
10/10

SHA256

c7466d261f3acf4b9f5e80e98671931c8549668471dcf1d8d00ba8bf6f6c803b

Threat Level: Known bad

The file c7466d261f3acf4b9f5e80e98671931c8549668471dcf1d8d00ba8bf6f6c803b was found to be: Known bad.

Malicious Activity Summary

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Octo payload

Octo

Octo family

Makes use of the framework's Accessibility service

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)

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

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

Queries the mobile country code (MCC)

Declares services with permission to bind to the system

Reads information about phone network operator.

Declares broadcast receivers with permission to handle system events

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

Uses Crypto APIs (Might try to encrypt user data)

Checks memory information

Checks CPU information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-08 12:46

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 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 receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to monitor incoming MMS messages. android.permission.RECEIVE_MMS N/A N/A
Allows read access to the device's phone number(s). android.permission.READ_PHONE_NUMBERS 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 an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW N/A N/A
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS 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

2024-11-08 12:46

Reported

2024-11-08 12:47

Platform

android-x86-arm-20240910-en

Max time kernel

17s

Max time network

29s

Command Line

com.iresources9unified

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 Anonymous-DexFile@0xc7c78000-0xc7cfb85c 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.findAccessibilityNodeInfosByViewId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId 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

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 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

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

com.iresources9unified

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 86f7020358afaf71baeee5782b6264e4.xyz udp
US 1.1.1.1:53 86f7020358afaf71baeee5782b6264e4.xyz udp
US 1.1.1.1:53 ec1b331eb251831285914d1360d5c1f4.website udp
US 1.1.1.1:53 ec1b331eb251831285914d1360d5c1f4.website udp
US 1.1.1.1:53 768630650b9e7ef93205adce9b4d6b57.top udp
US 1.1.1.1:53 768630650b9e7ef93205adce9b4d6b57.top udp
US 1.1.1.1:53 b553c6f054a63b7da7791a8a27fb422d.space udp
US 1.1.1.1:53 b553c6f054a63b7da7791a8a27fb422d.space udp
GB 142.250.200.46:443 tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.10:443 tcp
GB 216.58.212.202:443 tcp
US 1.1.1.1:53 768630650b9e7ef93205adce9b4d6b57.top udp
US 1.1.1.1:53 768630650b9e7ef93205adce9b4d6b57.top udp
US 1.1.1.1:53 86f7020358afaf71baeee5782b6264e4.xyz udp
US 1.1.1.1:53 86f7020358afaf71baeee5782b6264e4.xyz udp
US 1.1.1.1:53 b553c6f054a63b7da7791a8a27fb422d.space udp
US 1.1.1.1:53 b553c6f054a63b7da7791a8a27fb422d.space udp
US 1.1.1.1:53 ec1b331eb251831285914d1360d5c1f4.website udp
US 1.1.1.1:53 ec1b331eb251831285914d1360d5c1f4.website udp

Files

/data/data/com.iresources9unified/files/.i

MD5 4e73947cabb5db3f92ca85004981b754
SHA1 6d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA256 6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512 be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Anonymous-DexFile@0xc7c78000-0xc7cfb85c

MD5 e51d4a09f352a0d17e4f325a5e22ff36
SHA1 562a5f9c16f14c546e9290609fb99192e9fd1bcc
SHA256 497b11e4a241c8ad6d157540d1167f59dd3143aee5c05846b3b65db62998b773
SHA512 65a9f56970eaa64543ed632888bb04e5193419f89e302fd16a5e2ded40600d897646c451933ace04419d3c1e962f2eff493c40080c2e1c02d0812b449336a860

/data/data/com.iresources9unified/.global.com.iresources9unified

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c