Malware Analysis Report

2024-07-28 11:40

Sample ID 240623-225n2szhkj
Target 786c539a57b1e9e33ce06da7092ef6cba3d0779601506e7ad95287e9516f0a0f.bin
SHA256 786c539a57b1e9e33ce06da7092ef6cba3d0779601506e7ad95287e9516f0a0f
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

786c539a57b1e9e33ce06da7092ef6cba3d0779601506e7ad95287e9516f0a0f

Threat Level: Known bad

The file 786c539a57b1e9e33ce06da7092ef6cba3d0779601506e7ad95287e9516f0a0f.bin was found to be: Known bad.

Malicious Activity Summary

octo banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan

Octo payload

Octo

Removes its main activity from the application launcher

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)

Declares services with permission to bind to the system

Declares broadcast receivers with permission to handle system events

Requests modifying system settings.

Requests accessing notifications (often used to intercept notifications before users become aware).

Requests dangerous framework permissions

Reads information about phone network operator.

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

Makes use of the framework's foreground persistence service

Queries the mobile country code (MCC)

Acquires the wake lock

Performs UI accessibility actions on behalf of the user

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

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

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-23 23:05

Signatures

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 from external storage. android.permission.READ_EXTERNAL_STORAGE 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 receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
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 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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-23 23:05

Reported

2024-06-23 23:08

Platform

android-x86-arm-20240611.1-en

Max time kernel

178s

Max time network

185s

Command Line

com.wondersaw0

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

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

Removes its main activity from the application launcher

stealth trojan evasion
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.wondersaw0/cache/gocuxrhn N/A N/A
N/A /data/user/0/com.wondersaw0/cache/gocuxrhn 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

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction 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 accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

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

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS 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

Processes

com.wondersaw0

Network

Country Destination Domain Proto
GB 142.250.180.14:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 dertlikaygisiz04.com udp
US 1.1.1.1:53 kaygisizamamutlu04.com udp
US 1.1.1.1:53 sigaracokhojdur1.com udp
US 1.1.1.1:53 mamudoilekeyfyap.com udp
US 1.1.1.1:53 mamudoiledostadogru.com udp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 142.250.178.10:443 semanticlocation-pa.googleapis.com tcp
GB 142.250.187.234:443 semanticlocation-pa.googleapis.com tcp
GB 172.217.16.234:443 semanticlocation-pa.googleapis.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp

Files

/data/data/com.wondersaw0/cache/gocuxrhn

MD5 c540f3a2a225f432fba1450f3f478dcd
SHA1 c4e114fce6f88cb7c2694ffb135fa12f789801a9
SHA256 fd3a3a18c8f3533ddcacd4e5c982a48b69eff999f513a39ef55ced444b467387
SHA512 e0ef9a4c9e659b645519eb50ebffc04ca0045288e65322a1be260f47218f220d6a50e697963e5caaa430ea5382ec8814f16edeb0ccbb40b37fc7d69237471ce0

/data/data/com.wondersaw0/cache/oat/gocuxrhn.cur.prof

MD5 0f978338fc24aa0fe79c754499ab70a2
SHA1 226296928184045a81144bfaff5fe07189d91a02
SHA256 18def25271dff3e3fb51967e0b990a1a1bdb5fbd62c2b0e0282e0385a04b6694
SHA512 9b52dc7151d850e2ad9972fb5f7028233b774e5221834c0cc5aebb071d0ad077552e7a174493d02f43000b595f683eb9c649817287375c149d0bb8a8e4c04ca0

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-23 23:05

Reported

2024-06-23 23:08

Platform

android-x64-arm64-20240611.1-en

Max time kernel

177s

Max time network

186s

Command Line

com.wondersaw0

Signatures

Octo

banker trojan infostealer rat 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.wondersaw0/cache/gocuxrhn N/A N/A
N/A /data/user/0/com.wondersaw0/cache/gocuxrhn 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

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction 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

Reads information about phone network operator.

discovery

Requests accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

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

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS 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

Processes

com.wondersaw0

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
US 1.1.1.1:53 mamudoiledostadogru.com udp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.180.8:443 ssl.google-analytics.com tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
US 1.1.1.1:53 sigaracokhojdur1.com udp
US 1.1.1.1:53 mamudoilekeyfyap.com udp
US 1.1.1.1:53 kaygisizamamutlu04.com udp
US 1.1.1.1:53 dertlikaygisiz04.com udp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.200.36:443 www.google.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
GB 142.250.200.36:443 www.google.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp
RU 193.143.1.9:443 mamudoiledostadogru.com tcp

Files

/data/data/com.wondersaw0/cache/gocuxrhn

MD5 c540f3a2a225f432fba1450f3f478dcd
SHA1 c4e114fce6f88cb7c2694ffb135fa12f789801a9
SHA256 fd3a3a18c8f3533ddcacd4e5c982a48b69eff999f513a39ef55ced444b467387
SHA512 e0ef9a4c9e659b645519eb50ebffc04ca0045288e65322a1be260f47218f220d6a50e697963e5caaa430ea5382ec8814f16edeb0ccbb40b37fc7d69237471ce0

/data/data/com.wondersaw0/cache/oat/gocuxrhn.cur.prof

MD5 ecfb6e4cf981db57f093fd2ac1621924
SHA1 ade6cf444323911e7a4ec5b115628695a5fa1aa0
SHA256 8bb07a7995c6485dd8be0cfc863879f84277072e636a5050172b4ca08769e8cf
SHA512 cd2242dedd1654048b86306c4b2548bcd8879a4b85c11df8990e5e01145853e4d6de9e703d45be7895861274a1ca83cf63a47701820b853031db61f8ac62f73b