Malware Analysis Report

2024-11-13 17:37

Sample ID 241109-1y1p9atcja
Target 2dbf40ee855df3f2dbdd9ac0da51dcd3c1224abd77bae4079f6c5551e280ea00.bin
SHA256 2dbf40ee855df3f2dbdd9ac0da51dcd3c1224abd77bae4079f6c5551e280ea00
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

2dbf40ee855df3f2dbdd9ac0da51dcd3c1224abd77bae4079f6c5551e280ea00

Threat Level: Known bad

The file 2dbf40ee855df3f2dbdd9ac0da51dcd3c1224abd77bae4079f6c5551e280ea00.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

Xloader_apk family

Removes its main activity from the application launcher

Checks if the Android device is rooted.

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)

Declares services with permission to bind to the system

Makes use of the framework's foreground persistence service

Requests dangerous framework permissions

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

Attempts to obfuscate APK file format

Acquires the wake lock

Reads information about phone network operator.

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 22:04

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 22:04

Reported

2024-11-09 22:06

Platform

android-x86-arm-20240624-en

Max time kernel

10s

Max time network

155s

Command Line

senftpk.nifrnfllz.bktxlt

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/senftpk.nifrnfllz.bktxlt/app_picture/1.jpg N/A N/A
N/A /data/user/0/senftpk.nifrnfllz.bktxlt/app_picture/1.jpg N/A N/A
N/A /data/user/0/senftpk.nifrnfllz.bktxlt/files/b N/A N/A
N/A /data/user/0/senftpk.nifrnfllz.bktxlt/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

senftpk.nifrnfllz.bktxlt

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.10:443 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
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
KR 91.204.226.54:28899 tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.169.14:443 android.apis.google.com tcp
KR 91.204.226.54:28899 tcp
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Files

/data/data/senftpk.nifrnfllz.bktxlt/app_picture/1.jpg

MD5 4e14c4c37e7e35428e87a5d403c876e4
SHA1 ca0270e53e5cbf792df1401137778208a393d53e
SHA256 22d6bffbb6c1b053c6f9ee9907b854c83f6f6e72764217d6ed38ecb7d7c94be0
SHA512 14a4039103b621c59549f51c4b7d1865784fead3d837ece7bb339d7c431be402f50c88d6756abfcf74bf7c1449122a15083d62ed46f0b1525a000b0ad967ed04

/data/user/0/senftpk.nifrnfllz.bktxlt/app_picture/1.jpg

MD5 a041c59c5bb7e4d4efe64904e60003fe
SHA1 21caa3b677dbea7eb5da111e8f7883a03ac82283
SHA256 2500328c517ed64939efd749e74a0f7b00524e11a73651270d53da8c0c0eb311
SHA512 2bfdb0d3a30f09d3510c309e5e3cd04bc9a8dc222c283a37d956bad66a8487f38f37ac9a403ba57c6b1b0b12ade73e670657652b3af321202ca82254922a8236

/data/data/senftpk.nifrnfllz.bktxlt/files/b

MD5 5705e5b58e9503402cf66c15fbc1d854
SHA1 ac943d94e87db55183a1cf24517c3d40361a2d03
SHA256 c8e371d5021bc1f77ea2062c2a568ada090e464099596476536816b4feb1f5e8
SHA512 46ed8f6f3a670ef3dbf0477353d3da5a19f3a188b51ee8cea492e3a6ffed77d14663eb1732bc084bdd78f4fea0a4190c39399a20aa2f6b6c92fc91bded97e70d

/storage/emulated/0/.msg_device_id.txt

MD5 45d9babf725afa68df1add5353687a0e
SHA1 8ada4e0a779308520d3687469b8c1566a49f2cd7
SHA256 e38394d3ae67fb3c61cbacc9c84c949b794db00d9ac856c7a31b3b5e61568e65
SHA512 c09e6c664911ffe54dfc8f3f846d2f0848d355c78cda154896d3364098b62086427127550c687d69275e458d6fac7763e310bfbbbde87bd6a54a1e7436f39673