Malware Analysis Report

2024-09-09 13:04

Sample ID 240624-wnzyravgrd
Target af2c4dbff5e9732efba2170c5981ee3626b96d483ef9ce93a0de0baa7f47be8b.bin
SHA256 af2c4dbff5e9732efba2170c5981ee3626b96d483ef9ce93a0de0baa7f47be8b
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: 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

af2c4dbff5e9732efba2170c5981ee3626b96d483ef9ce93a0de0baa7f47be8b

Threat Level: Known bad

The file af2c4dbff5e9732efba2170c5981ee3626b96d483ef9ce93a0de0baa7f47be8b.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

Removes its main activity from the application launcher

Checks if the Android device is rooted.

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)

Acquires the wake lock

Makes use of the framework's foreground persistence service

Requests dangerous framework permissions

Requests changing the default SMS application.

Uses Crypto APIs (Might try to encrypt user data)

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

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-24 18:04

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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 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 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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-24 18:04

Reported

2024-06-24 18:15

Platform

android-x86-arm-20240624-en

Max time kernel

179s

Max time network

156s

Command Line

ej.nugd.rtx

Signatures

XLoader payload

Description Indicator Process Target
N/A N/A N/A N/A
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/ej.nugd.rtx/files/dex N/A N/A
N/A /data/user/0/ej.nugd.rtx/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

Requests changing the default SMS application.

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

ej.nugd.rtx

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 docs.google.com udp
GB 216.58.204.78:443 docs.google.com tcp
GB 216.58.204.78:443 docs.google.com tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
KR 91.204.227.39:28844 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
KR 91.204.227.39:28844 tcp

Files

/data/data/ej.nugd.rtx/files/dex

MD5 dccd8cb67405ad4d9b53e36c040d53b9
SHA1 ddba058c9cf0ad4e594c4885e7bb71a7a4442856
SHA256 8c221b88e6755f04827bf176521a83a6e06ac054b3edca7aeb7c743a41fa01e6
SHA512 28a25885bb0bd38d28ba3118a25253b41e17211fc00af2df6ee55ed70b8ea08862afab0661fd9db3085403bbb224f2231850b695f09bd94044e45574c27114ab

/data/data/ej.nugd.rtx/files/oat/dex.cur.prof

MD5 f7f4c5d6d8b025228005e2da4a20b3a1
SHA1 7c8846f2969fcc005bf02badb5781fee5da84ac7
SHA256 beb9afb0af5a6812c598350ff71404eaecc46c2f2d677db78ec19ede278c348c
SHA512 50e885e7de2baaecc01fe17296b64eb92e304b42f9c67f55cab42f99b6474e6197b72eb9a1b64814f0cfe2eedb8820dbef8970e4a3fc8641fc716321ec0ee57d

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 18:04

Reported

2024-06-24 18:16

Platform

android-x64-20240624-en

Max time kernel

6s

Max time network

184s

Command Line

ej.nugd.rtx

Signatures

XLoader payload

Description Indicator Process Target
N/A N/A N/A N/A
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/ej.nugd.rtx/files/dex N/A N/A
N/A /data/user/0/ej.nugd.rtx/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

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

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

Processes

ej.nugd.rtx

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.179.232:443 ssl.google-analytics.com tcp
GB 142.250.200.34:443 tcp
GB 216.58.204.78:443 tcp
GB 216.58.212.227:443 tcp
GB 172.217.169.74:443 tcp
GB 216.58.212.227:443 tcp
GB 216.58.212.227:443 tcp
BE 108.177.15.188:5228 tcp
GB 172.217.169.74:443 tcp
US 216.239.34.223:443 tcp
GB 142.250.179.238:443 tcp
US 216.239.34.223:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 142.250.179.234:443 semanticlocation-pa.googleapis.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
US 1.1.1.1:53 docs.google.com udp
GB 142.250.179.238:443 docs.google.com tcp
GB 142.250.179.238:443 docs.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
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp

Files

/data/data/ej.nugd.rtx/files/dex

MD5 dccd8cb67405ad4d9b53e36c040d53b9
SHA1 ddba058c9cf0ad4e594c4885e7bb71a7a4442856
SHA256 8c221b88e6755f04827bf176521a83a6e06ac054b3edca7aeb7c743a41fa01e6
SHA512 28a25885bb0bd38d28ba3118a25253b41e17211fc00af2df6ee55ed70b8ea08862afab0661fd9db3085403bbb224f2231850b695f09bd94044e45574c27114ab

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-24 18:04

Reported

2024-06-24 18:16

Platform

android-x64-arm64-20240624-en

Max time kernel

179s

Max time network

183s

Command Line

ej.nugd.rtx

Signatures

XLoader payload

Description Indicator Process Target
N/A N/A N/A N/A
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/ej.nugd.rtx/files/dex N/A N/A
N/A /data/user/0/ej.nugd.rtx/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

Requests changing the default SMS application.

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

ej.nugd.rtx

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 docs.google.com udp
GB 142.250.178.14:443 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 172.217.16.232:443 ssl.google-analytics.com tcp
KR 91.204.227.39:28844 tcp
GB 142.250.187.206:443 tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.178.14:443 android.apis.google.com tcp
KR 91.204.227.39:28844 tcp
KR 91.204.227.39:28844 tcp
GB 142.250.187.228:443 tcp
GB 142.250.187.228:443 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

Files

/data/user/0/ej.nugd.rtx/files/dex

MD5 dccd8cb67405ad4d9b53e36c040d53b9
SHA1 ddba058c9cf0ad4e594c4885e7bb71a7a4442856
SHA256 8c221b88e6755f04827bf176521a83a6e06ac054b3edca7aeb7c743a41fa01e6
SHA512 28a25885bb0bd38d28ba3118a25253b41e17211fc00af2df6ee55ed70b8ea08862afab0661fd9db3085403bbb224f2231850b695f09bd94044e45574c27114ab