Malware Analysis Report

2025-01-19 04:59

Sample ID 241127-1zd8msymhr
Target 9f898f9c6c25f3703bdf9d79b9072e812f317da399a5a682acc3b52630eb8316.bin
SHA256 9f898f9c6c25f3703bdf9d79b9072e812f317da399a5a682acc3b52630eb8316
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

9f898f9c6c25f3703bdf9d79b9072e812f317da399a5a682acc3b52630eb8316

Threat Level: Known bad

The file 9f898f9c6c25f3703bdf9d79b9072e812f317da399a5a682acc3b52630eb8316.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

Checks if the Android device is rooted.

Removes its main activity from the application launcher

Reads the content of the MMS message.

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

Queries the phone number (MSISDN for GSM devices)

Makes use of the framework's foreground persistence service

Requests dangerous framework permissions

Attempts to obfuscate APK file format

Acquires the wake lock

Reads information about phone network operator.

Declares services with permission to bind to the system

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

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

2024-11-27 22:04

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

2024-11-27 22:04

Reported

2024-11-27 22:08

Platform

android-x86-arm-20240910-en

Max time kernel

149s

Max time network

154s

Command Line

cudcael.gwycgeneu.mzxidy.hadjarxy

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 /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/cudcael.gwycgeneu.mzxidy.hadjarxy/app_picture/1.jpg N/A N/A
N/A /data/user/0/cudcael.gwycgeneu.mzxidy.hadjarxy/app_picture/1.jpg N/A N/A
N/A /data/user/0/cudcael.gwycgeneu.mzxidy.hadjarxy/app_picture/1.jpg N/A N/A
N/A /data/user/0/cudcael.gwycgeneu.mzxidy.hadjarxy/files/b N/A N/A
N/A /data/user/0/cudcael.gwycgeneu.mzxidy.hadjarxy/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

cudcael.gwycgeneu.mzxidy.hadjarxy

/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/cudcael.gwycgeneu.mzxidy.hadjarxy/app_picture/1.jpg --output-vdex-fd=46 --oat-fd=47 --oat-location=/data/user/0/cudcael.gwycgeneu.mzxidy.hadjarxy/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 87.240.132.67:443 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
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KR 91.204.226.54:28899 tcp
GB 142.250.200.46:443 tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
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Files

/data/data/cudcael.gwycgeneu.mzxidy.hadjarxy/app_picture/1.jpg

MD5 2c8a677f1a59d495cd761284be2ba30b
SHA1 65e3848781c69cef49b9121ff3506a47dacd5e9f
SHA256 4218e7c83bf727c51c1a5de8a783abbbbf5e2b192370ca3dfbd7d1a2b410f3f1
SHA512 47700c9e249f8833adb448a05acddc48b66f58e9b814c5a6d25183ca5af054cce7a39f837de8b43fe00038a197aeb11815c3a1e8212e678b4852fad8b5fdde5c

/data/user/0/cudcael.gwycgeneu.mzxidy.hadjarxy/app_picture/1.jpg

MD5 9122dadb5f20cfb0577cf248135d9c7f
SHA1 6b3fd7e39600a282a2af8f24605e791abba5537d
SHA256 f19819c0253f909411b59f6bf731f2bf5bb2a36b06477c95294e8e7208c731e5
SHA512 d586039f68216ce5edf0ef7d3dd88aea40a5ba27d3e77f9888c81b7502ca684486e9fab9800505439e95cd1473b677e2dc37ca117bd8d9c749fb433b806faa08

/data/data/cudcael.gwycgeneu.mzxidy.hadjarxy/files/b

MD5 3e04a3b314779ab7b515b04648084b64
SHA1 4b76a4fb951eb54b6c8593f50f4b7cc58b2997f1
SHA256 d24fc9979ea6d5e9a278ac59c422f3b189adbe5671a3be0f8e44c52a50af78b7
SHA512 cc87dbada39c5c2396c105d0a7dc9351ef70621261f5a892ecee526b4eac769e721f97ec1913f37dc092d46393c0f6a5d75dfb43fdcb6270236fa8a633ffe984

/storage/emulated/0/.msg_device_id.txt

MD5 1424e494c6a0a48e1edef016949fd9cd
SHA1 70efbcc84d53c502c8838557161d270b1c0f64db
SHA256 8723ceb630c9880b2f90bfd27b0465217285c3844158de86688768e835e9be33
SHA512 8f1cd891a87e4c963bd8546615f3eb96ef35e011bfc834ae28537d35b69f8168d38cb9116e5bc1ec6b50a7e31b7ebe362510954aa6cad88ed45df6ee9f868276

/data/data/cudcael.gwycgeneu.mzxidy.hadjarxy/files/oat/b.cur.prof

MD5 aa93cf83df7b371be98d28d2851e8930
SHA1 a6e67b7f2005401995b466d1445bd3e0aacc5c00
SHA256 d6b0d80ed97e8195259c9ad78762f0adf4cc89275fb8fba8fc677ac3a626f401
SHA512 c4fece82226352234c8ef674438a29da92c745c30923fcf7b0e5124a714f7738f18881c1348d1d957e8c31fe586b8ad6a9d86be696a2ca1565df92e81b8466c6