Malware Analysis Report

2025-01-19 04:59

Sample ID 241221-1x34zs1lav
Target dec4ba728c1047916d20cef4a875169e8990c517d80b6c26be74ef4b70d4c6e7.bin
SHA256 dec4ba728c1047916d20cef4a875169e8990c517d80b6c26be74ef4b70d4c6e7
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

dec4ba728c1047916d20cef4a875169e8990c517d80b6c26be74ef4b70d4c6e7

Threat Level: Known bad

The file dec4ba728c1047916d20cef4a875169e8990c517d80b6c26be74ef4b70d4c6e7.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

Reads the content of the MMS message.

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

Queries account information for other applications stored on the device

Queries the phone number (MSISDN for GSM devices)

Loads dropped Dex/Jar

Requests dangerous framework permissions

Reads information about phone network operator.

Declares services with permission to bind to the system

Acquires the wake lock

Makes use of the framework's foreground persistence service

Attempts to obfuscate APK file format

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

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

Uses Crypto APIs (Might try to encrypt user data)

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-20240910-en

Max time kernel

10s

Max time network

153s

Command Line

ycpfdvp.xovcsspso.cvtuec

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/ycpfdvp.xovcsspso.cvtuec/app_picture/1.jpg N/A N/A
N/A /data/user/0/ycpfdvp.xovcsspso.cvtuec/app_picture/1.jpg N/A N/A
N/A /data/user/0/ycpfdvp.xovcsspso.cvtuec/files/b N/A N/A
N/A /data/user/0/ycpfdvp.xovcsspso.cvtuec/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

ycpfdvp.xovcsspso.cvtuec

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 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
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
RU 87.240.132.67:443 m.vk.com tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
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KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
GB 142.250.200.46:443 tcp
GB 142.250.200.46:443 tcp
GB 142.250.200.46:443 tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.178.14:443 android.apis.google.com tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
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KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
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KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
GB 142.250.187.227:80 tcp
GB 142.250.179.228:443 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp

Files

/data/data/ycpfdvp.xovcsspso.cvtuec/app_picture/1.jpg

MD5 65f0c5f882468052215206e61cd7e742
SHA1 837036ef6c3c4d2c4a0ec2029ea8c3f9ad86fadc
SHA256 fb1a3106769b8b57c195d7c18c81c020f2baf67329fd9da45abb5a724cfa5870
SHA512 c1ccbf0d89552ec58719cc38ab6f150484a9040b8abc7e33a313adcb7e67ea7ab61b6c54495b5f75860869cb27a0d8c38c41b59ace84e73c8748c18cc0bf998c

/data/user/0/ycpfdvp.xovcsspso.cvtuec/app_picture/1.jpg

MD5 da48e4dd7e90b279d08fd6ffd2778a3a
SHA1 d58e558fe6574ab7aab36ae8cf575ea6ccc9a8bc
SHA256 21bf92f56653444b4208d4f377f273fdb5a874ddb792e8f1e5830c2d4de19d03
SHA512 cabdd2909bbf300c36db4452b2f9b431c650f7456695e49e83146fe0514564b6c032b0af71c7d90ba7391bdf807bd19559db430e8c92f09e26481eb7ee0571f3

/data/data/ycpfdvp.xovcsspso.cvtuec/files/b

MD5 5705e5b58e9503402cf66c15fbc1d854
SHA1 ac943d94e87db55183a1cf24517c3d40361a2d03
SHA256 c8e371d5021bc1f77ea2062c2a568ada090e464099596476536816b4feb1f5e8
SHA512 46ed8f6f3a670ef3dbf0477353d3da5a19f3a188b51ee8cea492e3a6ffed77d14663eb1732bc084bdd78f4fea0a4190c39399a20aa2f6b6c92fc91bded97e70d

/storage/emulated/0/.msg_device_id.txt

MD5 9448d7c8f5d08117b81146ec0f6aa865
SHA1 cc0af8a8173dbee23f4944778093ae1a9aa17ad4
SHA256 5214fc0e0543951585b4fae1a805c25732eadf828a36d2c2a9edf2bfe4a9bcf1
SHA512 8b11057357148f487a68abe705db878db55bf893fd96715ec2676686e4a95027a69e283c39369f126b0d34d68cb96caa79544676d10853ab6b270df3b6652f01