Malware Analysis Report

2024-12-01 03:09

Sample ID 241111-lrj2laxejq
Target 406e4ffe79735229e9841a8345eaf49b2520063a15584d2e5a21db71e080799d
SHA256 406e4ffe79735229e9841a8345eaf49b2520063a15584d2e5a21db71e080799d
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

406e4ffe79735229e9841a8345eaf49b2520063a15584d2e5a21db71e080799d

Threat Level: Known bad

The file 406e4ffe79735229e9841a8345eaf49b2520063a15584d2e5a21db71e080799d was found to be: Known bad.

Malicious Activity Summary

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Octo

Octo payload

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)

Loads dropped Dex/Jar

Queries the phone number (MSISDN for GSM devices)

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

Attempts to obfuscate APK file format

Declares services with permission to bind to the system

Requests dangerous framework permissions

Acquires the wake lock

Reads information about phone network operator.

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

Declares broadcast receivers with permission to handle system events

Queries the mobile country code (MCC)

Makes use of the framework's foreground persistence service

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

Uses Crypto APIs (Might try to encrypt user data)

Checks CPU information

Checks memory information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 09:45

Signatures

Attempts to obfuscate APK file format

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 access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Allows an application to read audio files from external storage. android.permission.READ_MEDIA_AUDIO N/A N/A
Required to be able to access the camera device. android.permission.CAMERA 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 read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to read audio files from external storage. android.permission.READ_MEDIA_AUDIO N/A N/A
Allows an application to read image or video files from external storage that a user has selected via the permission prompt photo picker. android.permission.READ_MEDIA_VISUAL_USER_SELECTED N/A N/A
Required to be able to access the camera device. android.permission.CAMERA 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
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to recognize physical activity. android.permission.ACTIVITY_RECOGNITION N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS 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 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 read video files from external storage. android.permission.READ_MEDIA_VIDEO N/A N/A
Allows an application to read video files from external storage. android.permission.READ_MEDIA_VIDEO N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows an application to monitor incoming MMS messages. android.permission.RECEIVE_MMS N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Allows an application to read image files from external storage. android.permission.READ_MEDIA_IMAGES N/A N/A
Allows read access to the device's phone number(s). android.permission.READ_PHONE_NUMBERS N/A N/A
Required to be able to connect to paired Bluetooth devices. android.permission.BLUETOOTH_CONNECT N/A N/A
Required to be able to connect to paired Bluetooth devices. android.permission.BLUETOOTH_CONNECT 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 application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read image files from external storage. android.permission.READ_MEDIA_IMAGES N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS 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 an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 09:45

Reported

2024-11-11 09:50

Platform

android-x86-arm-20240910-en

Max time kernel

25s

Max time network

27s

Command Line

com.klmsphotos_camera3

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 /data/user/0/com.klmsphotos_camera3/app_ripple/hQ.json N/A N/A
N/A /data/user/0/com.klmsphotos_camera3/app_ripple/hQ.json N/A N/A
N/A Anonymous-DexFile@0xd417c000-0xd41ff7a8 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

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.klmsphotos_camera3

/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.klmsphotos_camera3/app_ripple/hQ.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.klmsphotos_camera3/app_ripple/oat/x86/hQ.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.202:443 tcp
GB 142.250.178.14:443 tcp
GB 172.217.16.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.169.74:443 tcp
US 1.1.1.1:53 fcca4f3a58d43ca7ce4b776262c5431f.in udp
US 1.1.1.1:53 fcca4f3a58d43ca7ce4b776262c5431f.in udp
US 1.1.1.1:53 4b95b4097568f5be20da805ccf713b04.de udp
US 1.1.1.1:53 4b95b4097568f5be20da805ccf713b04.de udp
US 1.1.1.1:53 ce43ca6e886d3def8856f4d6e4ea7c19.us udp
US 1.1.1.1:53 ce43ca6e886d3def8856f4d6e4ea7c19.us udp
US 1.1.1.1:53 f8445fa705ac53107901baa743cd6949.org udp
US 1.1.1.1:53 f8445fa705ac53107901baa743cd6949.org udp
US 1.1.1.1:53 e481a7d64aaf9bf59a763d92373b6a28.ir udp
US 1.1.1.1:53 e481a7d64aaf9bf59a763d92373b6a28.ir udp
US 1.1.1.1:53 01ee30883918be364d49d3459f40ef9d.info udp
US 1.1.1.1:53 01ee30883918be364d49d3459f40ef9d.info udp
US 1.1.1.1:53 1616818dade62e0029d12dea2f4c1e7d.net udp
US 1.1.1.1:53 1616818dade62e0029d12dea2f4c1e7d.net udp
US 1.1.1.1:53 8e859ebfdae8ca713e9a6f02aa7a80eb.com udp
US 1.1.1.1:53 8e859ebfdae8ca713e9a6f02aa7a80eb.com udp
US 1.1.1.1:53 af15806aa65d6da8e7ff687390093a77.ca udp
US 1.1.1.1:53 af15806aa65d6da8e7ff687390093a77.ca udp
US 1.1.1.1:53 aef785b4e19514f49b4f72be932e7345.ie udp
US 1.1.1.1:53 aef785b4e19514f49b4f72be932e7345.ie udp
US 1.1.1.1:53 e92141e0f4259f17c583bc611d70825e.uk udp
US 1.1.1.1:53 e92141e0f4259f17c583bc611d70825e.uk udp
US 1.1.1.1:53 51bd3b9909b5c042b50816927a6989d0.au udp
US 1.1.1.1:53 51bd3b9909b5c042b50816927a6989d0.au udp
US 1.1.1.1:53 04989200fb3beac221b30c7a5b5407ac.ua udp
US 1.1.1.1:53 04989200fb3beac221b30c7a5b5407ac.ua udp
US 1.1.1.1:53 51bd3b9909b5c042b50816927a6989d0.au udp
US 1.1.1.1:53 51bd3b9909b5c042b50816927a6989d0.au udp
US 1.1.1.1:53 fcca4f3a58d43ca7ce4b776262c5431f.in udp
US 1.1.1.1:53 fcca4f3a58d43ca7ce4b776262c5431f.in udp
US 1.1.1.1:53 8e859ebfdae8ca713e9a6f02aa7a80eb.com udp
US 1.1.1.1:53 8e859ebfdae8ca713e9a6f02aa7a80eb.com udp
US 1.1.1.1:53 e481a7d64aaf9bf59a763d92373b6a28.ir udp
US 1.1.1.1:53 e481a7d64aaf9bf59a763d92373b6a28.ir udp
US 1.1.1.1:53 e92141e0f4259f17c583bc611d70825e.uk udp
US 1.1.1.1:53 e92141e0f4259f17c583bc611d70825e.uk udp
US 1.1.1.1:53 04989200fb3beac221b30c7a5b5407ac.ua udp
US 1.1.1.1:53 04989200fb3beac221b30c7a5b5407ac.ua udp
US 1.1.1.1:53 ce43ca6e886d3def8856f4d6e4ea7c19.us udp
US 1.1.1.1:53 ce43ca6e886d3def8856f4d6e4ea7c19.us udp
US 1.1.1.1:53 1616818dade62e0029d12dea2f4c1e7d.net udp
US 1.1.1.1:53 1616818dade62e0029d12dea2f4c1e7d.net udp
US 1.1.1.1:53 01ee30883918be364d49d3459f40ef9d.info udp
US 1.1.1.1:53 01ee30883918be364d49d3459f40ef9d.info udp
US 1.1.1.1:53 af15806aa65d6da8e7ff687390093a77.ca udp
US 1.1.1.1:53 af15806aa65d6da8e7ff687390093a77.ca udp
US 1.1.1.1:53 f8445fa705ac53107901baa743cd6949.org udp
US 1.1.1.1:53 f8445fa705ac53107901baa743cd6949.org udp
US 1.1.1.1:53 4b95b4097568f5be20da805ccf713b04.de udp
US 1.1.1.1:53 4b95b4097568f5be20da805ccf713b04.de udp
US 1.1.1.1:53 aef785b4e19514f49b4f72be932e7345.ie udp
US 1.1.1.1:53 aef785b4e19514f49b4f72be932e7345.ie udp

Files

/data/data/com.klmsphotos_camera3/app_ripple/hQ.json

MD5 2b9c67d02a0a3bb5db3db66ac927b11e
SHA1 45c3a986ee0ab3e60aec79cdfd3f7d4c95b4f803
SHA256 fe26fda43144630b831fcaedeb68163b595288f83e7d61a098520a6577800fba
SHA512 aec398ce670613a2c35fdbd648193086c618b514c0809d1be18a0bbb65f65c5d91d0af1128108d85ee702bed2ea5339fa317c1fe71fc735ff7c34b56c3809027

/data/data/com.klmsphotos_camera3/app_ripple/hQ.json

MD5 f8d76b716a48860a4f8da4580fa85657
SHA1 9764a947f3cbd693f1b516a136e1c7408b39191c
SHA256 9ba2ab34e30237323cbe606a827d5477645e437504142d3f2b74d51a00b76558
SHA512 816ba9a66ca0192d914a8f56624b405360862a3edc391c7eb33991dd663163e6d0378b5eecc473a1aac3feb85c7517dd575f2c6f82e74be6bfb3f9e81e34ebd9

/data/user/0/com.klmsphotos_camera3/app_ripple/hQ.json

MD5 7bd7a45c197a71dafd1beefd708990ea
SHA1 018f68662d449f20aa5320bafe24ffdd8c501345
SHA256 6ece35808813e9bcee7aae087ff56b8bf38fec65624071220d99587cf13af554
SHA512 49bf39a3d51bc924eca1e72f5dc1d5676ef0419ac3dc797d2a3f9cd5a98466c63e702f8c6e6987330fc57e958b314a8e48d7685329d17fa69f91e96760a0960d

/data/user/0/com.klmsphotos_camera3/app_ripple/hQ.json

MD5 506ea6b987fcba5582db199ad1fae851
SHA1 634791fd75595c6297caaf7908316ee7deb65f11
SHA256 c5db2a2bdf689af9739fea6973281a6e72a54f72a01dc730f91a662ac2ae6e41
SHA512 a2152f96f1e1a75f321fe9fd13f4efb456484db8a0e731ee219812d24e2b61bf56511217601bc77313e743a82388debf32b76d5443af890fd7a733a1f0d8df95

/data/data/com.klmsphotos_camera3/files/.d

MD5 4e73947cabb5db3f92ca85004981b754
SHA1 6d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA256 6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512 be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Anonymous-DexFile@0xd417c000-0xd41ff7a8

MD5 ca1ae85dbdb3633ed6ec2bc07d4e9e69
SHA1 8444e64c25a94dc823e4100c28c4524091bff35c
SHA256 a47f082b8d0d55fe9f4c9a5bd1dd2a55aed7b8b7b866404ea837b3a683c3d67b
SHA512 a71e93706b9423ee151781fba2a6ac693ec5ac2f7c5d42f3b2f2673ec346e3b89f4320a468e16423276ea8439444f1f8f5b99e8a73ef8a7a5ccdb085a6856f60

/data/data/com.klmsphotos_camera3/.global.com.klmsphotos_camera3

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c