Malware Analysis Report

2024-09-09 13:06

Sample ID 240620-akanssybrh
Target fcd3b5797a97a6081316265c753443e2c78d4fd346e98cfcb8aa2d284533d1bf.bin
SHA256 fcd3b5797a97a6081316265c753443e2c78d4fd346e98cfcb8aa2d284533d1bf
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

fcd3b5797a97a6081316265c753443e2c78d4fd346e98cfcb8aa2d284533d1bf

Threat Level: Known bad

The file fcd3b5797a97a6081316265c753443e2c78d4fd346e98cfcb8aa2d284533d1bf.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 account information for other applications stored on the device

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)

Loads dropped Dex/Jar

Queries the phone number (MSISDN for GSM devices)

Reads information about phone network operator.

Makes use of the framework's foreground persistence service

Acquires the wake lock

Requests dangerous framework permissions

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

Declares services with permission to bind to the system

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 Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-20 00:15

Signatures

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

2024-06-20 00:15

Reported

2024-06-20 00:18

Platform

android-x86-arm-20240611.1-en

Max time kernel

179s

Max time network

183s

Command Line

rwpbtxj.rknplrmxn.jrufnl

Signatures

XLoader payload

Description Indicator Process Target
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/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/rwpbtxj.rknplrmxn.jrufnl/app_picture/1.jpg N/A N/A
N/A /data/user/0/rwpbtxj.rknplrmxn.jrufnl/app_picture/1.jpg N/A N/A
N/A /data/user/0/rwpbtxj.rknplrmxn.jrufnl/files/b N/A N/A
N/A /data/user/0/rwpbtxj.rknplrmxn.jrufnl/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

rwpbtxj.rknplrmxn.jrufnl

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 m.vk.com udp
RU 87.240.132.72:443 m.vk.com tcp
KR 91.204.227.50:28899 tcp
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GB 216.58.212.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
KR 91.204.227.50:28899 tcp
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Files

/data/data/rwpbtxj.rknplrmxn.jrufnl/app_picture/1.jpg

MD5 a11a1c4d6a1f4d5f450b544b3992bca4
SHA1 947c6b6e3cfce26cc530867ad40f0dc305ea3909
SHA256 75d21eefdd75894bc60c576cd66e17abf9f85da99229f2a8356452d9da38ac76
SHA512 610f213aceb85de0970cb9befcf790f346f06e1d5e115446a4a754b8ce26e69a596c040a96cbca58b7f6657b93ee2ca0682e7755d505577d7904493b0cf42913

/data/data/rwpbtxj.rknplrmxn.jrufnl/files/b

MD5 4f4569db9ddb90b5f60c424621cf3a72
SHA1 63c79e63187921b33d30c66de3e791e3f51d746e
SHA256 18c14954e985db1a807189513a739c2ccb9ad37bba6cc9f8a61f0c42edffda4c
SHA512 cf1c150f19ccc58441ac38060fe80961bbc9ea575a69c4437bd04be7555b92a3422490a4358f720450492edf5780d3d76eed4e02493c184bb3f13a8ab5ec4929

/storage/emulated/0/.msg_device_id.txt

MD5 5533b272e06c06089c6b786bbcb47a6d
SHA1 e926c1bfd1af8dee23d412bac6aa252b0679d8f1
SHA256 4fef390a7a4fabe5c174ac8559b6c36d4c8673e06f9f5c18254ad535868ad601
SHA512 78a1f44e0b66164019018bc5de171dd9c921733045f2f7e99c98acbdfc2b35745c38d089fee9efc97a7bdb4ad32b7457980de62dc62699f54ed9280c3a7db212