Malware Analysis Report

2024-11-13 17:36

Sample ID 241109-26c5lavajd
Target aac3cf0b4726fc464cc311d8b62e80673920e0bf483eef1687afbf2d3fa80ce3.bin
SHA256 aac3cf0b4726fc464cc311d8b62e80673920e0bf483eef1687afbf2d3fa80ce3
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

aac3cf0b4726fc464cc311d8b62e80673920e0bf483eef1687afbf2d3fa80ce3

Threat Level: Known bad

The file aac3cf0b4726fc464cc311d8b62e80673920e0bf483eef1687afbf2d3fa80ce3.bin was found to be: Known bad.

Malicious Activity Summary

xloader_apk banker collection discovery evasion impact infostealer persistence stealth trojan

XLoader payload

Xloader_apk family

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 account information for other applications stored on the device

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)

Attempts to obfuscate APK file format

Reads information about phone network operator.

Makes use of the framework's foreground persistence service

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

Declares services with permission to bind to the system

Acquires the wake lock

Requests dangerous framework permissions

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

Analysis: static1

Detonation Overview

Reported

2024-11-09 23:11

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 23:11

Reported

2024-11-09 23:14

Platform

android-x86-arm-20240624-en

Max time kernel

11s

Max time network

155s

Command Line

rejahsf.giwlgkvma.zydaqc

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/rejahsf.giwlgkvma.zydaqc/app_picture/1.jpg N/A N/A
N/A /data/user/0/rejahsf.giwlgkvma.zydaqc/app_picture/1.jpg N/A N/A
N/A /data/user/0/rejahsf.giwlgkvma.zydaqc/files/b N/A N/A
N/A /data/user/0/rejahsf.giwlgkvma.zydaqc/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

rejahsf.giwlgkvma.zydaqc

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.180.10:443 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 142.250.187.206:443 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/rejahsf.giwlgkvma.zydaqc/app_picture/1.jpg

MD5 4ba7eeaee18d55933638fdf430e320ae
SHA1 8875ad70c2c44064e2516dda89101573f3aa5386
SHA256 054299f47db71d68044ed1cbb2422a0474f8304b5d3d7a8881163e8d4d008b80
SHA512 b60d632fa35a3a8a566a295a328b2a07251eaea12bee27c481f096b59ec91a40e6d4f8974a11e174d15ae5f87033c0db8939c01ff3985f783bc09374bbb2ee8b

/data/user/0/rejahsf.giwlgkvma.zydaqc/app_picture/1.jpg

MD5 9bba186e7171cb8e679d694999570471
SHA1 5ce94fdbbbf79be6772dd9eb8d32042273c609d4
SHA256 cf70e279108ba1356a38400c909340c37d4d8b732ece866414c1947872b88044
SHA512 6131191cb7f898cbb170c6f7583307dc4a3fe26496ddb31887fde02c34eba950dc0c50d5a464dd69f380bc05fb9bdc5a6266fea9a21861ddbf02147aaca4d715

/data/data/rejahsf.giwlgkvma.zydaqc/files/b

MD5 5705e5b58e9503402cf66c15fbc1d854
SHA1 ac943d94e87db55183a1cf24517c3d40361a2d03
SHA256 c8e371d5021bc1f77ea2062c2a568ada090e464099596476536816b4feb1f5e8
SHA512 46ed8f6f3a670ef3dbf0477353d3da5a19f3a188b51ee8cea492e3a6ffed77d14663eb1732bc084bdd78f4fea0a4190c39399a20aa2f6b6c92fc91bded97e70d

/storage/emulated/0/.msg_device_id.txt

MD5 0b63f82f89068618d1026ba89399697e
SHA1 e40a4c5a7732b3bd7dda792b9dae683a64fa993b
SHA256 cc969360411ab85115055a7fae0baaca898516bbd9b56a33d776799694f1a8bc
SHA512 49b64392aa980f6cf4db2ab191bb34ed829f564217a11a0de38359551a0125965d2138c744be7eac7b376f15d84147fd311ad1dfdd116ac0256e8a3c72d8b6f5