Malware Analysis Report

2025-01-19 04:58

Sample ID 241204-1z13eazjdj
Target f1b81986775fefef385a7316a2b25a1c762ad5f8e7c2d84523d7e25f46a32c7b.bin
SHA256 f1b81986775fefef385a7316a2b25a1c762ad5f8e7c2d84523d7e25f46a32c7b
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

f1b81986775fefef385a7316a2b25a1c762ad5f8e7c2d84523d7e25f46a32c7b

Threat Level: Known bad

The file f1b81986775fefef385a7316a2b25a1c762ad5f8e7c2d84523d7e25f46a32c7b.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 the phone number (MSISDN for GSM devices)

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 account information for other applications stored on the device

Makes use of the framework's foreground persistence service

Reads information about phone network operator.

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

Requests dangerous framework permissions

Acquires the wake lock

Attempts to obfuscate APK file format

Declares services with permission to bind to the system

Uses Crypto APIs (Might try to encrypt user data)

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

Checks CPU information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-04 22:06

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 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

2024-12-04 22:06

Reported

2024-12-04 22:08

Platform

android-x86-arm-20240910-en

Max time kernel

148s

Max time network

151s

Command Line

exdvagg.racpaeshz.pzmatd.nkkcuawg

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/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/exdvagg.racpaeshz.pzmatd.nkkcuawg/app_picture/1.jpg N/A N/A
N/A /data/user/0/exdvagg.racpaeshz.pzmatd.nkkcuawg/app_picture/1.jpg N/A N/A
N/A /data/user/0/exdvagg.racpaeshz.pzmatd.nkkcuawg/app_picture/1.jpg N/A N/A
N/A /data/user/0/exdvagg.racpaeshz.pzmatd.nkkcuawg/files/b N/A N/A
N/A /data/user/0/exdvagg.racpaeshz.pzmatd.nkkcuawg/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

exdvagg.racpaeshz.pzmatd.nkkcuawg

/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/exdvagg.racpaeshz.pzmatd.nkkcuawg/app_picture/1.jpg --output-vdex-fd=46 --oat-fd=47 --oat-location=/data/user/0/exdvagg.racpaeshz.pzmatd.nkkcuawg/app_picture/oat/x86/1.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 m.vk.com udp
RU 87.240.129.133:443 m.vk.com tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
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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 172.217.16.238:443 android.apis.google.com tcp
KR 91.204.226.54:28899 tcp
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GB 172.217.169.42:443 tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
GB 142.250.187.226:443 tcp

Files

/data/data/exdvagg.racpaeshz.pzmatd.nkkcuawg/app_picture/1.jpg

MD5 7acd975fc9baa461ad897ac3826a427b
SHA1 9f14946c4f01fdf92fb6e706203f6afab5832b52
SHA256 b66623ba3376df348f2e7266a1e4abf3193876af445d89d7f08574d676ffd1e2
SHA512 f8cada3e1f00dfb0127513af7087426d06c1b3a4600b03ca744727e0560e2d5d6942e2b4450212dd3dec43e0288ddcc3dbbc621dc5d98859947c9b6c2fb7afd2

/data/user/0/exdvagg.racpaeshz.pzmatd.nkkcuawg/app_picture/1.jpg

MD5 02d1b8ed1ee7a3deb34e28b7bdc780a6
SHA1 45b681e06fa1505d86d10f24fd1bf0187f9557d1
SHA256 63472e9fb4cd963d2a29989f552e63bc323401bcde62cd93b3ea036238908d03
SHA512 1ea7e6da8a0853bc808ce95120d7497658b494a458e6f0f49a4e339f0cbb2325ceac75d7f4fccc1ff9162af90450cbbf7c43908a464d7ba6fe04d37b513d532f

/data/data/exdvagg.racpaeshz.pzmatd.nkkcuawg/files/b

MD5 3e04a3b314779ab7b515b04648084b64
SHA1 4b76a4fb951eb54b6c8593f50f4b7cc58b2997f1
SHA256 d24fc9979ea6d5e9a278ac59c422f3b189adbe5671a3be0f8e44c52a50af78b7
SHA512 cc87dbada39c5c2396c105d0a7dc9351ef70621261f5a892ecee526b4eac769e721f97ec1913f37dc092d46393c0f6a5d75dfb43fdcb6270236fa8a633ffe984

/storage/emulated/0/.msg_device_id.txt

MD5 f18d075802d418768b7dd38cc9f7d5c2
SHA1 3796afa7ce8b1604f46e07604517b1e1178e8084
SHA256 dea1a7a921da788c64e179b357249ef083e499c0a90a8a4572cf3e3a05be834a
SHA512 ce5ba8b61e7d2487e1f4e078f1d55985654026ccbbdf4b9f6b972bb14c77efd7e486d07f172658c3034ec4cd090cd3a72fc199d7d0680198ac9527a9a999bea8

/data/data/exdvagg.racpaeshz.pzmatd.nkkcuawg/files/oat/b.cur.prof

MD5 aa93cf83df7b371be98d28d2851e8930
SHA1 a6e67b7f2005401995b466d1445bd3e0aacc5c00
SHA256 d6b0d80ed97e8195259c9ad78762f0adf4cc89275fb8fba8fc677ac3a626f401
SHA512 c4fece82226352234c8ef674438a29da92c745c30923fcf7b0e5124a714f7738f18881c1348d1d957e8c31fe586b8ad6a9d86be696a2ca1565df92e81b8466c6