Malware Analysis Report

2024-12-01 03:08

Sample ID 241111-lsvvgsxeln
Target 1f415d5ba44b10e2fb444d53bb92cda912db4d5c7946cf14ae0e2445c868ac96
SHA256 1f415d5ba44b10e2fb444d53bb92cda912db4d5c7946cf14ae0e2445c868ac96
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

1f415d5ba44b10e2fb444d53bb92cda912db4d5c7946cf14ae0e2445c868ac96

Threat Level: Known bad

The file 1f415d5ba44b10e2fb444d53bb92cda912db4d5c7946cf14ae0e2445c868ac96 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

Loads dropped Dex/Jar

Makes use of the framework's Accessibility service

Queries the phone number (MSISDN for GSM devices)

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

Checks Android system properties for emulator presence.

Declares broadcast receivers with permission to handle system events

Queries the mobile country code (MCC)

Attempts to obfuscate APK file format

Requests dangerous framework permissions

Declares services with permission to bind to the system

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

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

Makes use of the framework's foreground persistence service

Acquires the wake lock

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 09:48

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 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 application to read image files from external storage. android.permission.READ_MEDIA_IMAGES N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION 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 app to post notifications. android.permission.POST_NOTIFICATIONS 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 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 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 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 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
Required to be able to connect to paired Bluetooth devices. android.permission.BLUETOOTH_CONNECT 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 application to read the user's contacts data. android.permission.READ_CONTACTS 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 video files from external storage. android.permission.READ_MEDIA_VIDEO N/A N/A
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS 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 receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Required to be able to access the camera device. android.permission.CAMERA 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 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 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 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 application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to record audio. android.permission.RECORD_AUDIO 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 an application to read video files from external storage. android.permission.READ_MEDIA_VIDEO 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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 09:48

Reported

2024-11-11 09:51

Platform

android-x86-arm-20240624-en

Max time kernel

21s

Max time network

36s

Command Line

com.vservices7_emulation

Signatures

Octo

banker trojan infostealer rat octo

Octo family

octo

Octo payload

Description Indicator Process Target
N/A N/A N/A N/A

Checks Android system properties for emulator presence.

evasion
Description Indicator Process Target
Accessed system property key: ro.product.model N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.vservices7_emulation/app_critic/xfR.json N/A N/A
N/A /data/user/0/com.vservices7_emulation/app_critic/xfR.json N/A N/A
N/A Anonymous-DexFile@0xcb894000-0xcb9178d0 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.vservices7_emulation

/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.vservices7_emulation/app_critic/xfR.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.vservices7_emulation/app_critic/oat/x86/xfR.odex --compiler-filter=quicken --class-loader-context=&

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 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.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 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 78956144468fc50a285b9a57a05861a4.uk udp
US 1.1.1.1:53 78956144468fc50a285b9a57a05861a4.uk 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 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 ebaffcf6cbe03dbd39a4261554b20734.net udp
US 1.1.1.1:53 ebaffcf6cbe03dbd39a4261554b20734.net 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 ec37a44f97f4c7bb1778daaa54b65552.ir udp
US 1.1.1.1:53 ec37a44f97f4c7bb1778daaa54b65552.ir 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 befe02342eac28bc7672d9f889addd9b.us udp
US 1.1.1.1:53 befe02342eac28bc7672d9f889addd9b.us udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
US 1.1.1.1:53 android.apis.google.com 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 d294a1301d803935512a33c115870aea.org udp
US 1.1.1.1:53 d294a1301d803935512a33c115870aea.org 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 a491f17de882848a225aea60518e4127.au udp
US 1.1.1.1:53 a491f17de882848a225aea60518e4127.au 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 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 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 93abfdd9e8844091c9010958bea3299b.ca udp
US 1.1.1.1:53 93abfdd9e8844091c9010958bea3299b.ca 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 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp

Files

/data/data/com.vservices7_emulation/app_critic/xfR.json

MD5 91fbf53b4c4980e7ac16553d2d6de2cc
SHA1 de416d35d0769260787c420a2ec859f39f855a2f
SHA256 1974901f22dfe2481be1ed5f738a7cf1c146b8813da9d33c2f82911af3ccc6d3
SHA512 cfcc28f3d0cfaa761513d092e17fe8315e9c5e43f3263771b8c8f4ef061159640cfbc86be1228bc3f41454ab15fedaf92d0f48dab3758ee34e604b77772882eb

/data/data/com.vservices7_emulation/app_critic/xfR.json

MD5 cd4f38461396a0d2d5f239fd3106dc0f
SHA1 a97506fd51558bed56591c76237ece3f9e717640
SHA256 824634619b20bb0a1a96789b721c707fb6b91c92e0b0915e272cbb3a70c664e7
SHA512 c49419baeb5e309c8daa860dcad79560e564a4e0b23db7a76eba67fdad852e61ada2f3332e259d1622f17fb19dcc675c89b16443519d0b7e143bc4bffa08c88b

/data/user/0/com.vservices7_emulation/app_critic/xfR.json

MD5 a715005cf758a2d89db3ba89ffcc1810
SHA1 2b3f1925ea42a19be818321eb9f302e5379c76b6
SHA256 84d10cbe5946f7b2c0f5b9ab1828b52080a511b6ebb4be26884e07c55f9f5d1b
SHA512 71931931ded9a9d90000e722f30b0392577019aa3d4010a42c1c21ff30a8a34031fc996e8428d022ea3edca413a2fe6957c01ab7bfa2eecc674005a85e36142c

/data/user/0/com.vservices7_emulation/app_critic/xfR.json

MD5 c4aa6f9abbfc839aef07c1c5d239a69f
SHA1 c7dece3df277d4e3e937b70a12ed7b75288ffe24
SHA256 1bf6f2b67f9819a58badab582ccdc8d929371e082ae081cc3dc8792dc64f4098
SHA512 21827a8ff013e31b43c1f40a7ac1ec637955e203fcb7ba369e41e3e36825407c958832e7e8ce86774e090305699a20979054cc55365acf1a6f1fffef7b6c5020

/data/data/com.vservices7_emulation/files/.h

MD5 4e73947cabb5db3f92ca85004981b754
SHA1 6d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA256 6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512 be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Anonymous-DexFile@0xcb894000-0xcb9178d0

MD5 90ffb2d6b3a7cbfa9119bec63ea88752
SHA1 2b4c6aed969b78d104e4a6c37e87e333a980a264
SHA256 65bfcb4009eff7d0247a6e3cfca277adb1b8db02131e7218805f5f4b7686c478
SHA512 c412d5d6e64147110d0d71b3d85b3753dd35c8028b017f09a08298368dbcd4513d93156889e58f5111b00980e1ebb940f403c23e772a14cf0a4943db3ee5b862

/data/data/com.vservices7_emulation/.global.com.vservices7_emulation

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c