Malware Analysis Report

2024-12-01 03:10

Sample ID 241111-lsqkrsxgqh
Target 8e4e0fb4d22703ce133ea5320d9c06c556ed0bcbcadc842e168fb229809c5e02
SHA256 8e4e0fb4d22703ce133ea5320d9c06c556ed0bcbcadc842e168fb229809c5e02
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

8e4e0fb4d22703ce133ea5320d9c06c556ed0bcbcadc842e168fb229809c5e02

Threat Level: Known bad

The file 8e4e0fb4d22703ce133ea5320d9c06c556ed0bcbcadc842e168fb229809c5e02 was found to be: Known bad.

Malicious Activity Summary

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Octo

Octo family

Octo payload

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

Makes use of the framework's Accessibility service

Queries the phone number (MSISDN for GSM devices)

Loads dropped Dex/Jar

Checks Android system properties for emulator presence.

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

Acquires the wake lock

Declares broadcast receivers with permission to handle system events

Attempts to obfuscate APK file format

Declares services with permission to bind to the system

Reads information about phone network operator.

Makes use of the framework's foreground persistence service

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

Requests dangerous framework permissions

Queries the mobile country code (MCC)

Uses Crypto APIs (Might try to encrypt user data)

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

Checks memory information

Checks CPU 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 an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE 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 approximate location. android.permission.ACCESS_COARSE_LOCATION 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 read access to the device's phone number(s). android.permission.READ_PHONE_NUMBERS 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 from external storage. android.permission.READ_EXTERNAL_STORAGE 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 record audio. android.permission.RECORD_AUDIO 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 application to send SMS messages. android.permission.SEND_SMS 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 audio files from external storage. android.permission.READ_MEDIA_AUDIO N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to monitor incoming MMS messages. android.permission.RECEIVE_MMS N/A N/A
Allows an application a broad access to external storage in scoped storage. android.permission.MANAGE_EXTERNAL_STORAGE 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 image files from external storage. android.permission.READ_MEDIA_IMAGES 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 app to post notifications. android.permission.POST_NOTIFICATIONS 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 or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows an application to access any geographic locations persisted in the user's shared collection. android.permission.ACCESS_MEDIA_LOCATION N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to access any geographic locations persisted in the user's shared collection. android.permission.ACCESS_MEDIA_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 an app to post notifications. android.permission.POST_NOTIFICATIONS 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 receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to record audio. android.permission.RECORD_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 app to access precise location. android.permission.ACCESS_FINE_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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 09:47

Reported

2024-11-11 09:51

Platform

android-x86-arm-20240624-en

Max time kernel

21s

Max time network

34s

Command Line

com.agentsafety_key6

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.agentsafety_key6/app_reunion/bfnXk.json N/A N/A
N/A /data/user/0/com.agentsafety_key6/app_reunion/bfnXk.json N/A N/A
N/A Anonymous-DexFile@0xd007c000-0xd00ff7e8 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.agentsafety_key6

/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.agentsafety_key6/app_reunion/bfnXk.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.agentsafety_key6/app_reunion/oat/x86/bfnXk.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.10:443 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 b2743b513ecee12f4b9a2e0d0ec9fa11.online udp
US 1.1.1.1:53 b2743b513ecee12f4b9a2e0d0ec9fa11.online udp
US 1.1.1.1:53 2ed2499d207b6748b81c78c22096e694.xyz udp
US 1.1.1.1:53 2ed2499d207b6748b81c78c22096e694.xyz udp
US 1.1.1.1:53 93d07f5b98921ba536c753b124a92849.site udp
US 1.1.1.1:53 93d07f5b98921ba536c753b124a92849.site udp
US 1.1.1.1:53 988820a12f7601ba629708a2caa90f2d.website udp
US 1.1.1.1:53 988820a12f7601ba629708a2caa90f2d.website udp
US 1.1.1.1:53 875c53e451cb194697645c3c0cd7df52.top udp
US 1.1.1.1:53 875c53e451cb194697645c3c0cd7df52.top udp
US 1.1.1.1:53 c01b4f33e117cfa3cce6def43a4df25a.space udp
US 1.1.1.1:53 c01b4f33e117cfa3cce6def43a4df25a.space 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 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
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 c01b4f33e117cfa3cce6def43a4df25a.space udp
US 1.1.1.1:53 c01b4f33e117cfa3cce6def43a4df25a.space udp
US 1.1.1.1:53 b2743b513ecee12f4b9a2e0d0ec9fa11.online udp
US 1.1.1.1:53 b2743b513ecee12f4b9a2e0d0ec9fa11.online udp
US 1.1.1.1:53 988820a12f7601ba629708a2caa90f2d.website udp
US 1.1.1.1:53 988820a12f7601ba629708a2caa90f2d.website udp
US 1.1.1.1:53 2ed2499d207b6748b81c78c22096e694.xyz udp
US 1.1.1.1:53 2ed2499d207b6748b81c78c22096e694.xyz udp
US 1.1.1.1:53 93d07f5b98921ba536c753b124a92849.site udp
US 1.1.1.1:53 93d07f5b98921ba536c753b124a92849.site udp
US 1.1.1.1:53 875c53e451cb194697645c3c0cd7df52.top udp
US 1.1.1.1:53 875c53e451cb194697645c3c0cd7df52.top 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.agentsafety_key6/app_reunion/bfnXk.json

MD5 51ed724eb6f28c8ec4ca44a2e92c9c16
SHA1 4e14dae6c21c70acb2741aff8b04ab0668c15ad5
SHA256 034243106680ae5190e3284af41bf13f2c7d018c9586c38e3eba3468f61e0c72
SHA512 aeb22b793da8afa9d0a75c7a12b8fd6a25aded091638527318e2802089eadeec9789056b68e201a538a484710364bbcda94d6c61bb8a713e74e0b1aecf9e0043

/data/data/com.agentsafety_key6/app_reunion/bfnXk.json

MD5 8d2ec6b7c8940f8a35b1d2300da3da50
SHA1 9e49adc8f0ded88764a033bf772706115b8dd052
SHA256 5bfb36f0af2082afe8fc7566f45c7a72ba5f271a4a02beb93b82bbfc0b7b79f0
SHA512 2c863c9e22ade6d5485a4dccc6880b3946c3578d481193bb0728f0e7958cbb8d15b55ea99851704cdcf55c36311817520722355d7a0c3ab8eab87fd1f7d1b827

/data/user/0/com.agentsafety_key6/app_reunion/bfnXk.json

MD5 644f9c64c0a3f7b374ba240bd05da288
SHA1 1001c621c9ccbb28a7001a73a1d4bfd4cec6f6f8
SHA256 0a26fe833ced12d789137fd74e5156397f4d952e785eea63b39e3b66419ee097
SHA512 53f4b50ea4cb9a8121b4217bb1cb596f6222965aae6999623d30f904820fbf33f111fe4137441ae7e982c5eabe3c1bf1b78d17039ab71ae9f88002e2b3c1371d

/data/user/0/com.agentsafety_key6/app_reunion/bfnXk.json

MD5 74da8e49b5dd0fcc79158b811911c771
SHA1 1622131f140c04be23889d46735b377d58a6defd
SHA256 c10e37e7833ad3f45321ff9584f3a1396d8a15e7ff37209fe33b0f76ed4eabe1
SHA512 f1fd06cb498c3d5b040790ab55549cbd93f44395c2f50f8cd6a392b106748d961734635310be8b6c6c41966cf3eafe95ed32e3a6eb501fa19eacd7bea50c08e4

/data/data/com.agentsafety_key6/files/.g

MD5 4e73947cabb5db3f92ca85004981b754
SHA1 6d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA256 6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512 be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Anonymous-DexFile@0xd007c000-0xd00ff7e8

MD5 3796570ff95dca5caf3446205686db9e
SHA1 76470716529c6c2b35e77d5561a3707f8574d7d5
SHA256 bb7da16d229dbb2965311f00105c7eefad62f635f3aa5dfafd8a0d1236233b83
SHA512 4dc89dc01b61303d1ba799abddd1bbedbbb2433b89804e38e48b1a8e3ff6381362eee7cc41424a38738b5b2407ed39d34a23086d6fad1d25aaabaf1769b7dae3

/data/data/com.agentsafety_key6/.global.com.agentsafety_key6

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c