Malware Analysis Report

2024-12-01 03:10

Sample ID 241111-lspcpsxell
Target 3a61853e2de7bf657cbd080b4a83e1e0e7c77f02c5a7a4762fe96510592e69de
SHA256 3a61853e2de7bf657cbd080b4a83e1e0e7c77f02c5a7a4762fe96510592e69de
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

3a61853e2de7bf657cbd080b4a83e1e0e7c77f02c5a7a4762fe96510592e69de

Threat Level: Known bad

The file 3a61853e2de7bf657cbd080b4a83e1e0e7c77f02c5a7a4762fe96510592e69de was found to be: Known bad.

Malicious Activity Summary

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Octo payload

Octo family

Octo

Queries the phone number (MSISDN for GSM devices)

Makes use of the framework's Accessibility service

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)

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

Makes use of the framework's foreground persistence service

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

Requests dangerous framework permissions

Declares services with permission to bind to the system

Declares broadcast receivers with permission to handle system events

Acquires the wake lock

Attempts to obfuscate APK file format

Queries the mobile country code (MCC)

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 09:47

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 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
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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE 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 read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS 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 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 an application to write the user's calendar data. android.permission.WRITE_CALENDAR N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to record audio. android.permission.RECORD_AUDIO 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 monitor incoming MMS messages. android.permission.RECEIVE_MMS N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION 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 image files from external storage. android.permission.READ_MEDIA_IMAGES N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS N/A N/A
Allows an application to recognize physical activity. android.permission.ACTIVITY_RECOGNITION N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Required to be able to connect to paired Bluetooth devices. android.permission.BLUETOOTH_CONNECT 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 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
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
Required to be able to access the camera device. android.permission.CAMERA 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 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 the user's calendar data. android.permission.READ_CALENDAR N/A N/A
Required to be able to discover and pair nearby Bluetooth devices. android.permission.BLUETOOTH_SCAN N/A N/A
Required to be able to connect to paired Bluetooth devices. android.permission.BLUETOOTH_CONNECT N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Required to be able to advertise to nearby Bluetooth devices. android.permission.BLUETOOTH_ADVERTISE N/A N/A
Allows an application to read video files from external storage. android.permission.READ_MEDIA_VIDEO N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 09:47

Reported

2024-11-11 09:51

Platform

android-x86-arm-20240910-en

Max time kernel

19s

Max time network

40s

Command Line

com.dknarrow0_phone

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.dknarrow0_phone/app_reopen/Pums.json N/A N/A
N/A /data/user/0/com.dknarrow0_phone/app_reopen/Pums.json N/A N/A
N/A Anonymous-DexFile@0xc9789000-0xc980c6c8 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

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.dknarrow0_phone

/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.dknarrow0_phone/app_reopen/Pums.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.dknarrow0_phone/app_reopen/oat/x86/Pums.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 93abfdd9e8844091c9010958bea3299b.ca udp
US 1.1.1.1:53 93abfdd9e8844091c9010958bea3299b.ca udp
US 1.1.1.1:53 befe02342eac28bc7672d9f889addd9b.us udp
US 1.1.1.1:53 befe02342eac28bc7672d9f889addd9b.us udp
US 1.1.1.1:53 ebaffcf6cbe03dbd39a4261554b20734.net udp
US 1.1.1.1:53 ebaffcf6cbe03dbd39a4261554b20734.net udp
US 1.1.1.1:53 ec37a44f97f4c7bb1778daaa54b65552.ir udp
US 1.1.1.1:53 ec37a44f97f4c7bb1778daaa54b65552.ir udp
US 1.1.1.1:53 8fd0eb3fdc31885459aabdcbee39fcf9.com udp
US 1.1.1.1:53 8fd0eb3fdc31885459aabdcbee39fcf9.com udp
US 1.1.1.1:53 a491f17de882848a225aea60518e4127.au udp
US 1.1.1.1:53 a491f17de882848a225aea60518e4127.au udp
US 1.1.1.1:53 585bccb21a1725eeaeaf0786c4615858.in udp
US 1.1.1.1:53 585bccb21a1725eeaeaf0786c4615858.in udp
US 1.1.1.1:53 d294a1301d803935512a33c115870aea.org udp
US 1.1.1.1:53 d294a1301d803935512a33c115870aea.org udp
US 1.1.1.1:53 023c3f23f16cffa36441cc37b27ba4c4.info udp
US 1.1.1.1:53 023c3f23f16cffa36441cc37b27ba4c4.info udp
US 1.1.1.1:53 7907f2f87e71eea7f802929d844533cc.ua udp
US 1.1.1.1:53 7907f2f87e71eea7f802929d844533cc.ua udp
US 1.1.1.1:53 78956144468fc50a285b9a57a05861a4.uk udp
US 1.1.1.1:53 78956144468fc50a285b9a57a05861a4.uk udp
US 1.1.1.1:53 7ddc04d554ba0b6ac2bb51f993c56ac3.de udp
US 1.1.1.1:53 7ddc04d554ba0b6ac2bb51f993c56ac3.de udp
GB 216.58.204.74:443 tcp
GB 142.250.200.46:443 tcp
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 142.250.187.202:443 tcp
US 1.1.1.1:53 ebaffcf6cbe03dbd39a4261554b20734.net udp
US 1.1.1.1:53 ebaffcf6cbe03dbd39a4261554b20734.net udp
US 1.1.1.1:53 a491f17de882848a225aea60518e4127.au udp
US 1.1.1.1:53 a491f17de882848a225aea60518e4127.au udp
US 1.1.1.1:53 7ddc04d554ba0b6ac2bb51f993c56ac3.de udp
US 1.1.1.1:53 7ddc04d554ba0b6ac2bb51f993c56ac3.de udp
US 1.1.1.1:53 befe02342eac28bc7672d9f889addd9b.us udp
US 1.1.1.1:53 befe02342eac28bc7672d9f889addd9b.us udp
US 1.1.1.1:53 ec37a44f97f4c7bb1778daaa54b65552.ir udp
US 1.1.1.1:53 ec37a44f97f4c7bb1778daaa54b65552.ir udp
US 1.1.1.1:53 8fd0eb3fdc31885459aabdcbee39fcf9.com udp
US 1.1.1.1:53 8fd0eb3fdc31885459aabdcbee39fcf9.com udp
US 1.1.1.1:53 585bccb21a1725eeaeaf0786c4615858.in udp
US 1.1.1.1:53 585bccb21a1725eeaeaf0786c4615858.in udp
US 1.1.1.1:53 d294a1301d803935512a33c115870aea.org udp
US 1.1.1.1:53 d294a1301d803935512a33c115870aea.org udp
US 1.1.1.1:53 93abfdd9e8844091c9010958bea3299b.ca udp
US 1.1.1.1:53 93abfdd9e8844091c9010958bea3299b.ca udp
US 1.1.1.1:53 7907f2f87e71eea7f802929d844533cc.ua udp
US 1.1.1.1:53 7907f2f87e71eea7f802929d844533cc.ua udp
US 1.1.1.1:53 78956144468fc50a285b9a57a05861a4.uk udp
US 1.1.1.1:53 78956144468fc50a285b9a57a05861a4.uk udp
US 1.1.1.1:53 023c3f23f16cffa36441cc37b27ba4c4.info udp
US 1.1.1.1:53 023c3f23f16cffa36441cc37b27ba4c4.info udp
GB 142.250.187.206:443 tcp
GB 172.217.16.234:443 tcp
GB 142.250.180.2:443 tcp

Files

/data/data/com.dknarrow0_phone/app_reopen/Pums.json

MD5 3d4283348d8f991ea8d9cbb8819a4517
SHA1 511a614c5e09973ed13a47bb827d59ce99dcb5e3
SHA256 3f931b2e6e9f4000a6b103680632a59c211080be512dc905b014a314086571bb
SHA512 a82cca87015a5035ee29d64aaaa62ff307e2d173542d64726db349bd6bf5708accf7d555b49d2e4b0e229ede83b2f7e3410dcdefeb346a76a979b4904059f13e

/data/data/com.dknarrow0_phone/app_reopen/Pums.json

MD5 46baecc25a9322d367237f2ef33c239a
SHA1 bae3280ad18654130c0e2ad784a5f65965a3e3ff
SHA256 e012a53ddeaec13e19b6923ae6521401427266ad5caa5a35c49c7cea2cbc801e
SHA512 4141d2714ed62c4aa6847a9db0fac1467f216bfea32106935d786e96789e5bf315c98a414a9476b03c08ce8f112c37818c93a4b25b53c2bb30b39bdc0b17077e

/data/user/0/com.dknarrow0_phone/app_reopen/Pums.json

MD5 edbd92587630b7a8ba7e63aed9093a50
SHA1 932ff5531ff07eb4fe4622c153b455bcd81bc1c7
SHA256 7d3ecac281d2c8d24fa27e67fc71a8fdf3ef14c8e214d86a04c760a8ede02b5b
SHA512 ee1ab295fae467fda3bc2fc208722f03eceb5d5e89d4a68d5e4a11f7212040528c6d5869edf0eb60ca534ebcd5b8e2836ca99114c6f0d3dd193506069ed60a82

/data/user/0/com.dknarrow0_phone/app_reopen/Pums.json

MD5 8ad412a26a25145a1714ba254f283a6e
SHA1 12a2adeafd769b9a16d9ec83151597752b31c048
SHA256 f3d6eea469c333b3fc86dafb9f55a55fb24354908bffec1555a195e09052c624
SHA512 11f59f5162c896287dc5d92a6b434faff6eb6b19834c275dc08e1b099d70e995dea2e64436d86ce9e01d02cf47956a25765a5e5dea839d9acca81317c3057fc0

/data/data/com.dknarrow0_phone/files/.s

MD5 4e73947cabb5db3f92ca85004981b754
SHA1 6d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA256 6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512 be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Anonymous-DexFile@0xc9789000-0xc980c6c8

MD5 dee06b66f3962ab32d9a6f6018d17cf0
SHA1 7ac50b04e27f72db697b223c693479fd50759272
SHA256 7d5044eb816d4b4e11f456496023dd1f2f27cca344b5fc45e46830b818316e3e
SHA512 29de86d297350e9e27bfbc6ca52303bdf410b71a4c8ebaee5067dc8a98ce12dc9799243bd1f6fa2282be5777a61544e12c6092497a25c4a92ec807eb47ff3fb2

/data/data/com.dknarrow0_phone/.global.com.dknarrow0_phone

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c