Malware Analysis Report

2025-01-19 04:59

Sample ID 241128-1zlbyssmcx
Target 9b73eea2a8d1548001b549e04b5d8ef187a67dc41c3f70869afb09b9a92a4976.bin
SHA256 9b73eea2a8d1548001b549e04b5d8ef187a67dc41c3f70869afb09b9a92a4976
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

9b73eea2a8d1548001b549e04b5d8ef187a67dc41c3f70869afb09b9a92a4976

Threat Level: Known bad

The file 9b73eea2a8d1548001b549e04b5d8ef187a67dc41c3f70869afb09b9a92a4976.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.

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

Reads the content of the MMS message.

Queries the phone number (MSISDN for GSM devices)

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

Makes use of the framework's foreground persistence service

Declares services with permission to bind to the system

Attempts to obfuscate APK file format

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

2024-11-28 22:05

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

2024-11-28 22:05

Reported

2024-11-28 22:07

Platform

android-x86-arm-20240624-en

Max time kernel

149s

Max time network

154s

Command Line

mfkhmbw.cuddngaii.cmfbog.vhekxxet

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/mfkhmbw.cuddngaii.cmfbog.vhekxxet/app_picture/1.jpg N/A N/A
N/A /data/user/0/mfkhmbw.cuddngaii.cmfbog.vhekxxet/app_picture/1.jpg N/A N/A
N/A /data/user/0/mfkhmbw.cuddngaii.cmfbog.vhekxxet/app_picture/1.jpg N/A N/A
N/A /data/user/0/mfkhmbw.cuddngaii.cmfbog.vhekxxet/files/b N/A N/A
N/A /data/user/0/mfkhmbw.cuddngaii.cmfbog.vhekxxet/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

mfkhmbw.cuddngaii.cmfbog.vhekxxet

/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/mfkhmbw.cuddngaii.cmfbog.vhekxxet/app_picture/1.jpg --output-vdex-fd=46 --oat-fd=47 --oat-location=/data/user/0/mfkhmbw.cuddngaii.cmfbog.vhekxxet/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 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
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
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GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.180.14:443 android.apis.google.com tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
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GB 216.58.201.106:443 semanticlocation-pa.googleapis.com tcp
KR 91.204.226.54:28899 tcp
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Files

/data/data/mfkhmbw.cuddngaii.cmfbog.vhekxxet/app_picture/1.jpg

MD5 d2b195d8083d43d5f83bfd01a62fb2b0
SHA1 4b1d0e36b3310a7d1c3fdedfcfe9fa89523bf559
SHA256 ec6350f19cacd79d00e4652ac016248db92c437cef61a796f5cf0a99bc9fbb0a
SHA512 535bc2f8beb1557421f490be77407ce6def60a56b31b5cbedd8ab1ee081c79c3dc84740e01947d3d8eeddec008743d6ac3616b8eef84584d78a0ef9a72bdefea

/data/user/0/mfkhmbw.cuddngaii.cmfbog.vhekxxet/app_picture/1.jpg

MD5 6ce1bce0c87891e06b633b20e0575d7d
SHA1 4fbc2d17a096bfb54d449e5f638cf8fb2c7ffb88
SHA256 2e6d99d7808a7590796ccbd57dee5a59a2eb45328487279fbcd3026f317817ff
SHA512 8864b0e0a79e3edff69d474bde93ab04ae1ffe95b7759d146150cbdf27f81241d43ae413c45769d9fbe06f92ace05722e3f7d65b752766e6d41615986a3f7bc4

/data/data/mfkhmbw.cuddngaii.cmfbog.vhekxxet/files/b

MD5 3e04a3b314779ab7b515b04648084b64
SHA1 4b76a4fb951eb54b6c8593f50f4b7cc58b2997f1
SHA256 d24fc9979ea6d5e9a278ac59c422f3b189adbe5671a3be0f8e44c52a50af78b7
SHA512 cc87dbada39c5c2396c105d0a7dc9351ef70621261f5a892ecee526b4eac769e721f97ec1913f37dc092d46393c0f6a5d75dfb43fdcb6270236fa8a633ffe984

/storage/emulated/0/.msg_device_id.txt

MD5 b835805d8a58d3dd49e6ad08ea3243d5
SHA1 36c91f9c68739e4b87e69c573430d316e8c5b5fb
SHA256 ba7c2df5dbd4f93fa7e5c6ad4966a78a0fb6935a29e6f47f290a6430c2bb930e
SHA512 fe5eb6ff36b789869b87ad3f3dd897c6c883b578a5ace1ca1e39ed86c49e639fd32d31cb85108da54c6257a271a6b302685ffb0128c51059a141ad0b5228ffee

/data/data/mfkhmbw.cuddngaii.cmfbog.vhekxxet/files/oat/b.cur.prof

MD5 898780ae455b3c908750c2a43405d152
SHA1 acbd107482dceb503e8ea610e14343d93bbed6c4
SHA256 b1c20475cb162c31de27f020a857a135e032aa02dae1cee04f4d3ab44a08b61c
SHA512 d3eb411b33074da998921243dc3807a1184ed41979fad673b596c179a13654f1cf88ca44aee32976f8e6659fac34795ce8655ef1adc98de6a9a0be86609d2f68