Malware Analysis Report

2024-09-09 13:11

Sample ID 240724-11wjbashma
Target 17f7b81514621c3193e4389d4b67d4ebbc6eaedc9667af91c8e1e759443d8bb0.bin
SHA256 17f7b81514621c3193e4389d4b67d4ebbc6eaedc9667af91c8e1e759443d8bb0
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

17f7b81514621c3193e4389d4b67d4ebbc6eaedc9667af91c8e1e759443d8bb0

Threat Level: Known bad

The file 17f7b81514621c3193e4389d4b67d4ebbc6eaedc9667af91c8e1e759443d8bb0.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

Removes its main activity from the application launcher

Checks if the Android device is rooted.

Reads the content of the MMS message.

Queries the phone number (MSISDN for GSM devices)

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

Acquires the wake lock

Requests changing the default SMS application.

Makes use of the framework's foreground persistence service

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

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-24 22:07

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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 access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS 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 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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-24 22:07

Reported

2024-07-24 22:35

Platform

android-x86-arm-20240624-en

Max time kernel

179s

Max time network

146s

Command Line

iisw.vlnam.ycnwl

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 /sbin/su N/A N/A
N/A /system/bin/su N/A N/A
N/A /system/xbin/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/iisw.vlnam.ycnwl/files/dex N/A N/A
N/A /data/user/0/iisw.vlnam.ycnwl/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

iisw.vlnam.ycnwl

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 216.58.204.78:443 docs.google.com 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
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/iisw.vlnam.ycnwl/files/dex

MD5 c5654523e4899cf11630fe902e74b494
SHA1 d51781ac831b0442d5aaa8fb801d664f0daeb1c4
SHA256 fd7e515d5732df7cc5632a8411671fdad79815c7df963ef68f728398c8c8db31
SHA512 19e1fdb04673dec606e0376b0ffb4e32bd12d37cf50d22815c114ccc2a76824b114835ef858e0fbc84d89dc6be1e1951be047e24521771c05d6ce43fac137bdb

/data/data/iisw.vlnam.ycnwl/files/oat/dex.cur.prof

MD5 b27222ab1611facd636ccf6c4ace8609
SHA1 3eddac0a3109251c29053132a12d4e354c1670fa
SHA256 7037a6083ce5e6d560741f82b2de844e662caa9b88d70c453846408a478fb980
SHA512 4f1d6f3b656946aeb3676bc2fb7fecedfd740700a73f94ea4dc13d8284224275ee1a0af244535fe13adf3e4b917be036238500ba22c2e6a101bc7c6fb6388fbf

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-24 22:07

Reported

2024-07-24 22:35

Platform

android-x64-20240624-en

Max time kernel

179s

Max time network

175s

Command Line

iisw.vlnam.ycnwl

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/iisw.vlnam.ycnwl/files/dex N/A N/A
N/A /data/user/0/iisw.vlnam.ycnwl/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

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

iisw.vlnam.ycnwl

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
US 1.1.1.1:53 docs.google.com udp
GB 216.58.201.110:443 docs.google.com tcp
GB 216.58.201.110:443 docs.google.com tcp
KR 91.204.227.39:28844 tcp
GB 142.250.179.238:443 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
KR 91.204.227.39:28844 tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 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
KR 91.204.227.39:28844 tcp

Files

/data/data/iisw.vlnam.ycnwl/files/dex

MD5 c5654523e4899cf11630fe902e74b494
SHA1 d51781ac831b0442d5aaa8fb801d664f0daeb1c4
SHA256 fd7e515d5732df7cc5632a8411671fdad79815c7df963ef68f728398c8c8db31
SHA512 19e1fdb04673dec606e0376b0ffb4e32bd12d37cf50d22815c114ccc2a76824b114835ef858e0fbc84d89dc6be1e1951be047e24521771c05d6ce43fac137bdb

/data/data/iisw.vlnam.ycnwl/files/oat/dex.cur.prof

MD5 f6e3e518bfe312b5e59425dc1a104cda
SHA1 8bf7576849a37998dcf1a167ffccd58b7380ee43
SHA256 063b3b4720b5fc700e06d6226ebc6159e8c9899e3fe15547729b9d8df40ae963
SHA512 b8f9020b2ef30a0b21563026bc91a3ce019c2602cd46c51dc81f3d09c7f532d5c6c0b56d5d7de7caf53a1a95316407d6c71717631e7d942ab67d7db7ee086540

Analysis: behavioral3

Detonation Overview

Submitted

2024-07-24 22:07

Reported

2024-07-24 22:35

Platform

android-x64-arm64-20240624-en

Max time kernel

179s

Max time network

146s

Command Line

iisw.vlnam.ycnwl

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/iisw.vlnam.ycnwl/files/dex N/A N/A
N/A /data/user/0/iisw.vlnam.ycnwl/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

iisw.vlnam.ycnwl

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
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 216.58.204.78:443 android.apis.google.com tcp
US 1.1.1.1:53 docs.google.com udp
GB 216.58.212.206:443 docs.google.com tcp
GB 216.58.212.206:443 docs.google.com tcp
KR 91.204.227.39:28844 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.180.8:443 ssl.google-analytics.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
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/iisw.vlnam.ycnwl/files/dex

MD5 c5654523e4899cf11630fe902e74b494
SHA1 d51781ac831b0442d5aaa8fb801d664f0daeb1c4
SHA256 fd7e515d5732df7cc5632a8411671fdad79815c7df963ef68f728398c8c8db31
SHA512 19e1fdb04673dec606e0376b0ffb4e32bd12d37cf50d22815c114ccc2a76824b114835ef858e0fbc84d89dc6be1e1951be047e24521771c05d6ce43fac137bdb