Malware Analysis Report

2025-01-19 04:59

Sample ID 241221-1x5mta1nbn
Target 0b4673d96ff84ab75c22269f6e95f0e1019224376b70f518961fad4ec5c2febb.bin
SHA256 0b4673d96ff84ab75c22269f6e95f0e1019224376b70f518961fad4ec5c2febb
Tags
xloader_apk banker collection discovery evasion impact infostealer persistence stealth 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

0b4673d96ff84ab75c22269f6e95f0e1019224376b70f518961fad4ec5c2febb

Threat Level: Known bad

The file 0b4673d96ff84ab75c22269f6e95f0e1019224376b70f518961fad4ec5c2febb.bin was found to be: Known bad.

Malicious Activity Summary

xloader_apk banker collection discovery evasion impact infostealer persistence stealth trojan

XLoader, MoqHao

XLoader payload

Xloader_apk family

Checks if the Android device is rooted.

Removes its main activity from the application launcher

Queries account information for other applications stored on the device

Reads the content of the MMS message.

Loads dropped Dex/Jar

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)

Reads information about phone network operator.

Attempts to obfuscate APK file format

Requests dangerous framework permissions

Acquires the wake lock

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

Declares services with permission to bind to the system

Makes use of the framework's foreground persistence service

Uses Crypto APIs (Might try to encrypt user data)

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

Checks CPU information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-21 22:02

Signatures

Attempts to obfuscate APK file format

Declares services with permission to bind to the system

Description Indicator Process Target
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 application to read from external storage. android.permission.READ_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 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 the user's contacts data. android.permission.READ_CONTACTS 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 access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS 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 read access to the device's phone number(s). android.permission.READ_PHONE_NUMBERS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-21 22:02

Reported

2024-12-21 22:05

Platform

android-x86-arm-20240624-en

Max time kernel

149s

Max time network

154s

Command Line

kflmspf.rzbfqsmer.vesudd

Signatures

XLoader payload

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

XLoader, MoqHao

trojan infostealer banker xloader_apk

Xloader_apk family

xloader_apk

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /system/bin/su N/A N/A
N/A /system/xbin/su N/A N/A
N/A /sbin/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/kflmspf.rzbfqsmer.vesudd/app_picture/1.jpg N/A N/A
N/A /data/user/0/kflmspf.rzbfqsmer.vesudd/app_picture/1.jpg N/A N/A
N/A /data/user/0/kflmspf.rzbfqsmer.vesudd/files/b N/A N/A
N/A /data/user/0/kflmspf.rzbfqsmer.vesudd/files/b 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 account information for other applications stored on the device

collection
Description Indicator Process Target
Framework service call android.accounts.IAccountManager.getAccounts N/A N/A

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

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

Processes

kflmspf.rzbfqsmer.vesudd

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 m.vk.com udp
RU 87.240.132.67:443 m.vk.com tcp
KR 91.204.226.54:28899 tcp
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GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.169.46:443 android.apis.google.com tcp
KR 91.204.226.54:28899 tcp
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Files

/data/data/kflmspf.rzbfqsmer.vesudd/app_picture/1.jpg

MD5 9c3f96459493ea45d088a1d99f56d2a0
SHA1 5dff2be7ceb6820e7d3d70eaeeec534ed8007711
SHA256 f7602275f80d8fd1a58c9930ccf1875273712ce63303273334e782fd496118bf
SHA512 a56f56a499d640e4c3ccc424821cb320f96da8f25377f194bd69254f2b43475363d9a3dea3ee762495c4f40f312b63ac987580a3b928ff0a6d112a8a8398d9f0

/data/user/0/kflmspf.rzbfqsmer.vesudd/app_picture/1.jpg

MD5 39772b8148d9a5397bd9471360f65dce
SHA1 c37c6a5db0a71f53e400a771b52bf84ae97b5c28
SHA256 49a2b113ed8ec8d598e6a7548bd8218169abdd9dd9c2ff73952cc2e6bf41b660
SHA512 ca6862564b30b5a9a87aa4ea2385c28baa9bbcae726c9e80d3a66d0e3c3e345e5a8f73e9543f5f6f02209e2d6d0ea5e52c32852a8ecd37a0cad66ceeae1a8e63

/data/data/kflmspf.rzbfqsmer.vesudd/files/b

MD5 5705e5b58e9503402cf66c15fbc1d854
SHA1 ac943d94e87db55183a1cf24517c3d40361a2d03
SHA256 c8e371d5021bc1f77ea2062c2a568ada090e464099596476536816b4feb1f5e8
SHA512 46ed8f6f3a670ef3dbf0477353d3da5a19f3a188b51ee8cea492e3a6ffed77d14663eb1732bc084bdd78f4fea0a4190c39399a20aa2f6b6c92fc91bded97e70d

/storage/emulated/0/.msg_device_id.txt

MD5 22f9270df4b7dade838a66952d23544c
SHA1 919da37b1905c76da647c336d9fac02d91645e5c
SHA256 84825b883608a6f726eb208e91430d694a6a4e88f1e953fc9d44571532c3da10
SHA512 0dec8963aff1ab6991e5d9f85f87ad940b38a56a34265feaa492ddab7fb01bb1dce2869dd32ae7a035950e459f42450afdb2944ba4a59e10e339d4fc32fad66e