Malware Analysis Report

2024-12-01 03:10

Sample ID 241111-lr5cjaxekn
Target 80ec9af43ed5b477e2358f6505a6bd833029c7e774e845626f5298318fd999c4
SHA256 80ec9af43ed5b477e2358f6505a6bd833029c7e774e845626f5298318fd999c4
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

80ec9af43ed5b477e2358f6505a6bd833029c7e774e845626f5298318fd999c4

Threat Level: Known bad

The file 80ec9af43ed5b477e2358f6505a6bd833029c7e774e845626f5298318fd999c4 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

Loads dropped Dex/Jar

Queries the phone number (MSISDN for GSM devices)

Checks Android system properties for emulator presence.

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

Reads information about phone network operator.

Acquires the wake lock

Attempts to obfuscate APK file format

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

Requests dangerous framework permissions

Makes use of the framework's foreground persistence service

Queries the mobile country code (MCC)

Declares broadcast receivers with permission to handle system events

Declares services with permission to bind to the system

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

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 09:46

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 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

2024-11-11 09:46

Reported

2024-11-11 09:51

Platform

android-x86-arm-20240624-en

Max time kernel

22s

Max time network

38s

Command Line

com.szbutton_priv06

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.szbutton_priv06/app_dex/classes.dex N/A N/A
N/A /data/user/0/com.szbutton_priv06/app_dex/classes.dex N/A N/A
N/A /data/user/0/com.szbutton_priv06/app_dex/classes.dex N/A N/A
N/A Anonymous-DexFile@0xd5078000-0xd50fb6a4 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.szbutton_priv06

/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.szbutton_priv06/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.szbutton_priv06/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.213.10:443 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 5e69732a7579cd99d21ec2e1075ce534.net udp
US 1.1.1.1:53 5e69732a7579cd99d21ec2e1075ce534.net udp
US 1.1.1.1:53 5b9abbc9b56259997ee2c989ce06606b.in udp
US 1.1.1.1:53 5b9abbc9b56259997ee2c989ce06606b.in udp
US 1.1.1.1:53 48a14234f5540d53b1f29387770389b2.com udp
US 1.1.1.1:53 48a14234f5540d53b1f29387770389b2.com udp
US 1.1.1.1:53 0be0716c02795bb53d4050bf7f5d115d.uk udp
US 1.1.1.1:53 0be0716c02795bb53d4050bf7f5d115d.uk udp
US 1.1.1.1:53 139d12d81cd9ce0637e98fc72046a159.ua udp
US 1.1.1.1:53 139d12d81cd9ce0637e98fc72046a159.ua udp
US 1.1.1.1:53 0dbe7ee6ce434b7abed2c3fbe1026cdd.au udp
US 1.1.1.1:53 0dbe7ee6ce434b7abed2c3fbe1026cdd.au udp
US 1.1.1.1:53 ec04ae4c45ca961586c0f85abe80ae7b.us udp
US 1.1.1.1:53 ec04ae4c45ca961586c0f85abe80ae7b.us udp
US 1.1.1.1:53 259047bb3ac43b37740ba7621e609dec.de udp
US 1.1.1.1:53 259047bb3ac43b37740ba7621e609dec.de udp
US 1.1.1.1:53 37cd6167f1c3abeaa30221cc66ee8b77.ir udp
US 1.1.1.1:53 37cd6167f1c3abeaa30221cc66ee8b77.ir udp
US 1.1.1.1:53 65c77efce8aaca1b0d84dee0f5637046.ca udp
US 1.1.1.1:53 65c77efce8aaca1b0d84dee0f5637046.ca udp
US 1.1.1.1:53 efdf7fcccc30b4f4a514e2242e694b2e.org udp
US 1.1.1.1:53 efdf7fcccc30b4f4a514e2242e694b2e.org udp
US 1.1.1.1:53 6c3b202e2639281ac2ab6a04f7e25523.info udp
US 1.1.1.1:53 6c3b202e2639281ac2ab6a04f7e25523.info 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 48a14234f5540d53b1f29387770389b2.com udp
US 1.1.1.1:53 48a14234f5540d53b1f29387770389b2.com udp
US 1.1.1.1:53 37cd6167f1c3abeaa30221cc66ee8b77.ir udp
US 1.1.1.1:53 37cd6167f1c3abeaa30221cc66ee8b77.ir udp
US 1.1.1.1:53 0dbe7ee6ce434b7abed2c3fbe1026cdd.au udp
US 1.1.1.1:53 0dbe7ee6ce434b7abed2c3fbe1026cdd.au udp
US 1.1.1.1:53 139d12d81cd9ce0637e98fc72046a159.ua udp
US 1.1.1.1:53 139d12d81cd9ce0637e98fc72046a159.ua udp
US 1.1.1.1:53 259047bb3ac43b37740ba7621e609dec.de udp
US 1.1.1.1:53 259047bb3ac43b37740ba7621e609dec.de udp
US 1.1.1.1:53 efdf7fcccc30b4f4a514e2242e694b2e.org udp
US 1.1.1.1:53 efdf7fcccc30b4f4a514e2242e694b2e.org udp
US 1.1.1.1:53 65c77efce8aaca1b0d84dee0f5637046.ca udp
US 1.1.1.1:53 65c77efce8aaca1b0d84dee0f5637046.ca udp
US 1.1.1.1:53 5b9abbc9b56259997ee2c989ce06606b.in udp
US 1.1.1.1:53 5b9abbc9b56259997ee2c989ce06606b.in udp
US 1.1.1.1:53 ec04ae4c45ca961586c0f85abe80ae7b.us udp
US 1.1.1.1:53 ec04ae4c45ca961586c0f85abe80ae7b.us udp
US 1.1.1.1:53 5e69732a7579cd99d21ec2e1075ce534.net udp
US 1.1.1.1:53 5e69732a7579cd99d21ec2e1075ce534.net udp
US 1.1.1.1:53 6c3b202e2639281ac2ab6a04f7e25523.info udp
US 1.1.1.1:53 6c3b202e2639281ac2ab6a04f7e25523.info udp
US 1.1.1.1:53 0be0716c02795bb53d4050bf7f5d115d.uk udp
US 1.1.1.1:53 0be0716c02795bb53d4050bf7f5d115d.uk udp
GB 216.58.213.10:443 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

Files

/data/data/com.szbutton_priv06/cache/classes.zip

MD5 90b832ea386f74a9d1513ea88d5baac9
SHA1 9ec7428c0fc6bae3d8de51dc79081719a366971f
SHA256 5c77dcbcf59015a03740c69db1ee4392ae6e5e293fc83e2d0e835f99f48010e8
SHA512 4ad7b75ac1cf9087aa0d123b5e4a782947cbd054495b0bf4d698440ea15dd91778d6ff5abae3d99f7a88f6e3f7b46391b78ee98a0780f75dbae10bcdbf3c00f7

/data/data/com.szbutton_priv06/cache/classes.dex

MD5 6b2e310abad6d871a381c2069ce3e1e9
SHA1 cee9c2b908516cb3fa507833a9fc48da431efd83
SHA256 79665feddeecc551226de1badc3e7cec32d1a3b056925f79b1317a324e38a380
SHA512 97f7f499999772f413d7f9a8fed13e06a8b55c988747c16d240c6ec12eb8a8e741cf0d14ab7e96c2e09f858e2d3c56dbcc0bfc27573c75b2e82af8f846a83d70

/data/data/com.szbutton_priv06/app_dex/classes.dex

MD5 e1f4cfad9b25398511257411c8ec4558
SHA1 f07962d6455d2f7c651be2af7bf20ffe9f3b3058
SHA256 2e7d5440514974ea8a820c0ab489f9c55d69d7dc9374c51aab0d86ca80eb66f0
SHA512 6e7c7b1462e6727e4fcd97713c7257172e48c13da2aac343e8549dcc7d916f1a7d077c08f1b8addfff29bcb0817d4c1ad5dc7e916fb6bae23da2d3940ea06c83

/data/user/0/com.szbutton_priv06/app_dex/classes.dex

MD5 8431a8d0ef4eb4bc6c62036db3391dc2
SHA1 83680e1b6ebf20236e95a5bd819b5cb615c76336
SHA256 dd4caec256b3d8a04aa2549cdc1d63f2cb0fdce4d38b5a20999e0b6038ebaa97
SHA512 305b0e2764ee0e53cf01371091e19be6ddf9fdb84a8f7b40577e87164535d8d2b64afd15e46d741a73c8462f742bdda078a83e98b06815fb660e6fdf3434e322

/data/data/com.szbutton_priv06/files/.s

MD5 4e73947cabb5db3f92ca85004981b754
SHA1 6d9667fdb0280ed2dcb782b4683e422a51bdc601
SHA256 6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c
SHA512 be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

Anonymous-DexFile@0xd5078000-0xd50fb6a4

MD5 ad51622fe281aaf647b2bafecc4cf185
SHA1 3860f9321099a8fc6d5a48a2c0a84df5e149644e
SHA256 fccacb27235354d8b2fce02755445b25cc7605d36eef6b8a08e18fec532f24c0
SHA512 08e9d85bcd429dc11f80a9cb2da2b03a92cd254ebb500115f497daae8acd3885e7b629cbf72fb8bfeb51b99c9753904f5eb866de90407e8d0b2adfd362c18dc3

/data/data/com.szbutton_priv06/.global.com.szbutton_priv06

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c