Malware Analysis Report

2024-10-19 11:53

Sample ID 240910-1yvh8syfqg
Target 12f29c491b815fc70182e77301d83867efa0b53bda0fd9358e676d735e4147e2.bin
SHA256 12f29c491b815fc70182e77301d83867efa0b53bda0fd9358e676d735e4147e2
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

12f29c491b815fc70182e77301d83867efa0b53bda0fd9358e676d735e4147e2

Threat Level: Known bad

The file 12f29c491b815fc70182e77301d83867efa0b53bda0fd9358e676d735e4147e2.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

Checks if the Android device is rooted.

Removes its main activity from the application launcher

Queries the phone number (MSISDN for GSM devices)

Reads the content of the MMS message.

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)

Requests dangerous framework permissions

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

Acquires the wake lock

Makes use of the framework's foreground persistence service

Queries information about active data network

Requests changing the default SMS application.

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

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-10 22:03

Signatures

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 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 an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to monitor incoming MMS messages. android.permission.RECEIVE_MMS 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 application to read the user's contacts data. android.permission.READ_CONTACTS 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 initiate a phone call without going through the Dialer user interface for the user to confirm the call. android.permission.CALL_PHONE 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 application to collect component usage statistics. android.permission.PACKAGE_USAGE_STATS N/A N/A
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an application to see the number being dialed during an outgoing call with the option to redirect the call to a different number or abort the call altogether. android.permission.PROCESS_OUTGOING_CALLS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-10 22:03

Reported

2024-09-10 22:06

Platform

android-x86-arm-20240910-en

Max time kernel

149s

Max time network

149s

Command Line

com.rrmb.mfer

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/com.rrmb.mfer/files/dex N/A N/A
N/A /data/user/0/com.rrmb.mfer/files/dex 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 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

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Requests changing the default SMS application.

collection impact
Description Indicator Process Target
Intent action android.provider.Telephony.ACTION_CHANGE_DEFAULT N/A N/A

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

Processes

com.rrmb.mfer

ping -c 4 91.204.227.39

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 docs.google.com udp
GB 142.250.200.46:443 docs.google.com tcp
GB 142.250.200.46:443 docs.google.com tcp
KR 91.204.227.39:28844 tcp
GB 142.250.200.46:443 docs.google.com tcp
GB 142.250.200.46:443 docs.google.com tcp
GB 142.250.200.46:443 docs.google.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.169.14:443 android.apis.google.com tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
US 1.1.1.1:53 smtp-mail.outlook.com udp
NL 52.97.149.86:587 smtp-mail.outlook.com tcp
US 1.1.1.1:53 smtp-mail.outlook.com udp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
GB 142.250.179.228:80 tcp

Files

/data/data/com.rrmb.mfer/files/dex

MD5 b3aa28b0cf2269079fa51c1db9ad032b
SHA1 c85618082d725fd8dd4789ecf43ce274b743c9cb
SHA256 8933f198d336dc72d7e4c2012cf6ea5356bedf6a97a16c9b74fb2fac63ea02b0
SHA512 2c077f33169d2d77a3a64d70c2705e32f46c8addb9299459c97a6ad9d7647fc906c36d172acf5731b53cb461c7eb21c6adfbe10ace50e483e41f55e16f958339

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-10 22:03

Reported

2024-09-10 22:06

Platform

android-x64-20240624-en

Max time kernel

149s

Max time network

156s

Command Line

com.rrmb.mfer

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/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/com.rrmb.mfer/files/dex N/A N/A
N/A /data/user/0/com.rrmb.mfer/files/dex 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 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

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo 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

Processes

com.rrmb.mfer

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 docs.google.com udp
GB 142.250.200.14:443 docs.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.14:443 docs.google.com tcp
GB 172.217.169.40:443 ssl.google-analytics.com tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
GB 142.250.187.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
US 1.1.1.1:53 smtp-mail.outlook.com udp
NL 40.99.150.198:587 smtp-mail.outlook.com tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp

Files

/data/data/com.rrmb.mfer/files/dex

MD5 b3aa28b0cf2269079fa51c1db9ad032b
SHA1 c85618082d725fd8dd4789ecf43ce274b743c9cb
SHA256 8933f198d336dc72d7e4c2012cf6ea5356bedf6a97a16c9b74fb2fac63ea02b0
SHA512 2c077f33169d2d77a3a64d70c2705e32f46c8addb9299459c97a6ad9d7647fc906c36d172acf5731b53cb461c7eb21c6adfbe10ace50e483e41f55e16f958339

/data/data/com.rrmb.mfer/files/oat/dex.cur.prof

MD5 96d3fd4dbf9bedfdcb84872a4234f352
SHA1 cc9ba958ce37adb0b34258c1402244eddbee5d97
SHA256 a2a5479ce0aa34de1ea0722512891c8062482d04e39b9a1681a5e2217cb552ea
SHA512 1bca37a988daecec68af4e43ee8b12d0707e8cb4ddc7ebc71e74d3a99735e057a42fcdb81d22b5357d1baf23e416e7df8c36d62f90180d6044c316c5037da934

Analysis: behavioral3

Detonation Overview

Submitted

2024-09-10 22:03

Reported

2024-09-10 22:06

Platform

android-x64-arm64-20240910-en

Max time kernel

149s

Max time network

152s

Command Line

com.rrmb.mfer

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/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/com.rrmb.mfer/files/dex N/A N/A
N/A /data/user/0/com.rrmb.mfer/files/dex 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 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

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Requests changing the default SMS application.

collection impact
Description Indicator Process Target
Intent action android.provider.Telephony.ACTION_CHANGE_DEFAULT N/A N/A

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

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

Processes

com.rrmb.mfer

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 www.youtube.com udp
GB 216.58.212.206:443 www.youtube.com udp
GB 216.58.212.206:443 www.youtube.com tcp
US 1.1.1.1:53 docs.google.com udp
GB 142.250.178.14:443 docs.google.com tcp
GB 142.250.178.14:443 docs.google.com tcp
KR 91.204.227.39:28844 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.201.104:443 ssl.google-analytics.com tcp
KR 91.204.227.39:28844 tcp
GB 142.250.187.238:443 www.youtube.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
US 1.1.1.1:53 smtp-mail.outlook.com udp
NL 52.97.137.198:587 smtp-mail.outlook.com tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
GB 142.250.187.238:443 www.youtube.com tcp
GB 216.58.212.193:443 tcp
US 216.239.38.223:443 tcp
GB 142.250.187.225:443 tcp
US 216.239.38.223:443 tcp

Files

/data/user/0/com.rrmb.mfer/files/dex

MD5 b3aa28b0cf2269079fa51c1db9ad032b
SHA1 c85618082d725fd8dd4789ecf43ce274b743c9cb
SHA256 8933f198d336dc72d7e4c2012cf6ea5356bedf6a97a16c9b74fb2fac63ea02b0
SHA512 2c077f33169d2d77a3a64d70c2705e32f46c8addb9299459c97a6ad9d7647fc906c36d172acf5731b53cb461c7eb21c6adfbe10ace50e483e41f55e16f958339