Malware Analysis Report

2024-11-13 17:37

Sample ID 241109-26d2wstkfw
Target 2b14bbffcc161f74a6631deffd5ecdf78a63bd88979e913b18ae4ff6f302c631.bin
SHA256 2b14bbffcc161f74a6631deffd5ecdf78a63bd88979e913b18ae4ff6f302c631
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

2b14bbffcc161f74a6631deffd5ecdf78a63bd88979e913b18ae4ff6f302c631

Threat Level: Known bad

The file 2b14bbffcc161f74a6631deffd5ecdf78a63bd88979e913b18ae4ff6f302c631.bin was found to be: Known bad.

Malicious Activity Summary

xloader_apk banker collection discovery evasion impact infostealer persistence stealth trojan

Xloader_apk family

XLoader payload

XLoader, MoqHao

Checks if the Android device is rooted.

Removes its main activity from the application launcher

Loads dropped Dex/Jar

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

Reads the content of the MMS message.

Queries account information for other applications stored on the device

Queries the phone number (MSISDN for GSM devices)

Declares services with permission to bind to the system

Attempts to obfuscate APK file format

Acquires the wake lock

Makes use of the framework's foreground persistence service

Reads information about phone network operator.

Requests dangerous framework permissions

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

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

2024-11-09 23:11

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

2024-11-09 23:11

Reported

2024-11-09 23:13

Platform

android-x86-arm-20240910-en

Max time kernel

10s

Max time network

152s

Command Line

esxzlbi.wnmakvvee.xfeffy

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/xbin/su N/A N/A
N/A /sbin/su N/A N/A
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/esxzlbi.wnmakvvee.xfeffy/app_picture/1.jpg N/A N/A
N/A /data/user/0/esxzlbi.wnmakvvee.xfeffy/app_picture/1.jpg N/A N/A
N/A /data/user/0/esxzlbi.wnmakvvee.xfeffy/files/b N/A N/A
N/A /data/user/0/esxzlbi.wnmakvvee.xfeffy/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

esxzlbi.wnmakvvee.xfeffy

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.178.14:443 tcp
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 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
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RU 87.240.132.67:443 m.vk.com tcp
KR 91.204.226.54:28899 tcp
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GB 142.250.200.2:443 tcp
KR 91.204.226.54:28899 tcp

Files

/data/data/esxzlbi.wnmakvvee.xfeffy/app_picture/1.jpg

MD5 8862f6fd5abcb9c740a9872479b5f4fb
SHA1 0c0176b754af8999bf4923ce8b39e0faa050558d
SHA256 6449a1dde48ff08667c6acab42dce8709044c55dbb9bcd83aa75fd8e37f05800
SHA512 3ef8245f3e07463ed33c257beb489a657d7ed651caf88c9913e3689bce79487bb7aa30ea74be59459f2e8294f21e30fb5c562f2882ad516860b92703e4e7b3aa

/data/user/0/esxzlbi.wnmakvvee.xfeffy/app_picture/1.jpg

MD5 e6c4239189601c56bb4ef348aacfdeff
SHA1 ee9d06429faea34df54b51eb94489e3961806d01
SHA256 dbbb99a7162af3fd77a799d40b25ad737b00afcad90e5aaa886c8d117ec8b4d0
SHA512 465907b1a2ede40b4adff6ba867833ffa972a345e9fe8dd5c8797ad172c9f5b0c82964e887869d579f052ee0d8702df9af8cd021143a97c707aa51944b8e2645

/data/data/esxzlbi.wnmakvvee.xfeffy/files/b

MD5 5705e5b58e9503402cf66c15fbc1d854
SHA1 ac943d94e87db55183a1cf24517c3d40361a2d03
SHA256 c8e371d5021bc1f77ea2062c2a568ada090e464099596476536816b4feb1f5e8
SHA512 46ed8f6f3a670ef3dbf0477353d3da5a19f3a188b51ee8cea492e3a6ffed77d14663eb1732bc084bdd78f4fea0a4190c39399a20aa2f6b6c92fc91bded97e70d

/storage/emulated/0/.msg_device_id.txt

MD5 ea2226d41d774aebca38191baecd7119
SHA1 d2a9a63c9f34df742da73c94dfc596a2452b3285
SHA256 aa60b24bb095ea57ba4a3452c12d142ddc4d53e8859ec2d23ded6d69f70f212d
SHA512 8eb06f66fed66d3a4d286eec8b002d4da4f76e2f0b43b88bb043608225ada858f3886a8ee0b84f60e0cc4d6a5ffea97daa9b29353049a8649949a11a7b5f25d7