Malware Analysis Report

2024-09-09 13:08

Sample ID 240624-wnwakavgqe
Target 824a245e819bac1a60fc7bf053db4b35003c71d5d930bf72c29582b0f1fcafa3.bin
SHA256 824a245e819bac1a60fc7bf053db4b35003c71d5d930bf72c29582b0f1fcafa3
Tags
xloader_apk banker collection discovery evasion impact infostealer persistence 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 Overview

score
10/10

SHA256

824a245e819bac1a60fc7bf053db4b35003c71d5d930bf72c29582b0f1fcafa3

Threat Level: Known bad

The file 824a245e819bac1a60fc7bf053db4b35003c71d5d930bf72c29582b0f1fcafa3.bin was found to be: Known bad.

Malicious Activity Summary

xloader_apk banker collection discovery evasion impact infostealer persistence stealth trojan

XLoader payload

XLoader, MoqHao

Checks if the Android device is rooted.

Removes its main activity from the application launcher

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)

Reads the content of the MMS message.

Requests dangerous framework permissions

Requests changing the default SMS application.

Acquires the wake lock

Makes use of the framework's foreground persistence service

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-24 18:04

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE 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 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 read the user's contacts data. android.permission.READ_CONTACTS 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

2024-06-24 18:04

Reported

2024-06-24 18:15

Platform

android-x64-arm64-20240624-en

Max time kernel

179s

Max time network

170s

Command Line

ruh.nbxylx.kt

Signatures

XLoader payload

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

XLoader, MoqHao

trojan infostealer banker xloader_apk

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /system/bin/su 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/ruh.nbxylx.kt/files/dex N/A N/A
N/A /data/user/0/ruh.nbxylx.kt/files/dex 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

Reads the content of the MMS message.

collection
Description Indicator Process Target
URI accessed for read content://mms/ N/A N/A

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

Requests changing the default SMS application.

collection impact
Description Indicator Process Target
Intent action android.provider.Telephony.ACTION_CHANGE_DEFAULT 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

ruh.nbxylx.kt

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.16.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
US 1.1.1.1:53 docs.google.com udp
GB 142.250.178.14:443 docs.google.com tcp
GB 142.250.178.14:443 docs.google.com tcp
KR 91.204.227.39:28844 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.213.8:443 ssl.google-analytics.com tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
GB 142.250.187.196:443 tcp
GB 142.250.187.196:443 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp

Files

/data/user/0/ruh.nbxylx.kt/files/dex

MD5 8bb09c2927ef88bda95970b61599f314
SHA1 391656ad53355854928f21a99e995f14e5c75ce7
SHA256 27ec66655a2a5e63f95ec2a4066bf7e64a79d7070923f42ba0cbffe53e2ba2dd
SHA512 94f59ce40f5b0a03c7bf0c4d199b47c4c7f85f98ae686f6994d74119f7c4b76d031d8607a879818d92c9097ce7603dbfef55d850186a21add9dee18f2bf90d68