Malware Analysis Report

2025-01-19 05:00

Sample ID 241125-1zzvcaymht
Target 1b9145bfc4d7345f83551d6199f2604b97be1fd2e2498f7f9992407740b741a5.bin
SHA256 1b9145bfc4d7345f83551d6199f2604b97be1fd2e2498f7f9992407740b741a5
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

1b9145bfc4d7345f83551d6199f2604b97be1fd2e2498f7f9992407740b741a5

Threat Level: Known bad

The file 1b9145bfc4d7345f83551d6199f2604b97be1fd2e2498f7f9992407740b741a5.bin was found to be: Known bad.

Malicious Activity Summary

xloader_apk banker collection discovery evasion impact infostealer persistence stealth trojan

Xloader_apk family

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)

Queries account information for other applications stored on the device

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

Declares services with permission to bind to the system

Requests dangerous framework permissions

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

Attempts to obfuscate APK file format

Makes use of the framework's foreground persistence service

Acquires the wake lock

Reads information about phone network operator.

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

2024-11-25 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

2024-11-25 22:05

Reported

2024-11-25 22:08

Platform

android-x86-arm-20240910-en

Max time kernel

149s

Max time network

155s

Command Line

wbtzhrw.bkytgfnqu.wvrlof.qigtzcst

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/wbtzhrw.bkytgfnqu.wvrlof.qigtzcst/app_picture/1.jpg N/A N/A
N/A /data/user/0/wbtzhrw.bkytgfnqu.wvrlof.qigtzcst/app_picture/1.jpg N/A N/A
N/A /data/user/0/wbtzhrw.bkytgfnqu.wvrlof.qigtzcst/app_picture/1.jpg N/A N/A
N/A /data/user/0/wbtzhrw.bkytgfnqu.wvrlof.qigtzcst/files/b N/A N/A
N/A /data/user/0/wbtzhrw.bkytgfnqu.wvrlof.qigtzcst/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

wbtzhrw.bkytgfnqu.wvrlof.qigtzcst

/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/wbtzhrw.bkytgfnqu.wvrlof.qigtzcst/app_picture/1.jpg --output-vdex-fd=46 --oat-fd=47 --oat-location=/data/user/0/wbtzhrw.bkytgfnqu.wvrlof.qigtzcst/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 93.186.225.194:443 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 216.58.201.110:443 tcp
GB 216.58.201.110:443 tcp
GB 216.58.201.110:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
KR 91.204.226.54:28899 tcp
KR 91.204.226.54:28899 tcp
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GB 142.250.187.196:443 tcp
KR 91.204.226.54:28899 tcp
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Files

/data/data/wbtzhrw.bkytgfnqu.wvrlof.qigtzcst/app_picture/1.jpg

MD5 849d31a793bea57462438fb56c3da42e
SHA1 b2f425e1fe5b02c01c5b53fafa38a26cbabe8760
SHA256 3ad1290663fd6a5a300db3b82fd1587317c87f95289ab853b2609a18e5f23fce
SHA512 4a3bcd76bd1f6e33e4664beef46b11351b49d544a65f56741aaa20bb8581a5e1e4404582748168ba50502a33eb8c5c009b44632b1ab7a9485fa67400a927a401

/data/user/0/wbtzhrw.bkytgfnqu.wvrlof.qigtzcst/app_picture/1.jpg

MD5 2ca699114e951ef8ac069741f74e39c5
SHA1 bc06e21562a048edef32387f04f7fff06058e776
SHA256 2f2d8f2505d035c7a48f2bc665afff1fb1e3554a8f2858f0d6c26f267ebe39f8
SHA512 6c4e00f874ddf81f499afd58a4737b0679f3cc6cd273ba535f256efa9c89722bbc12fa220d80fc2dfd87865af831c248a7e98bbc3d4e392793933ef392155d56

/data/data/wbtzhrw.bkytgfnqu.wvrlof.qigtzcst/files/b

MD5 3e04a3b314779ab7b515b04648084b64
SHA1 4b76a4fb951eb54b6c8593f50f4b7cc58b2997f1
SHA256 d24fc9979ea6d5e9a278ac59c422f3b189adbe5671a3be0f8e44c52a50af78b7
SHA512 cc87dbada39c5c2396c105d0a7dc9351ef70621261f5a892ecee526b4eac769e721f97ec1913f37dc092d46393c0f6a5d75dfb43fdcb6270236fa8a633ffe984

/storage/emulated/0/.msg_device_id.txt

MD5 3c57b13a54f41db21dcd453d2b4775e0
SHA1 61b3ca7982b359c3d5a26e57eb4c2158b8c47167
SHA256 06ad9dbbc1bf17f90252ec7c30b0bd5035d8dbbf1078392f00833ed016b16b7d
SHA512 c75f6de45e13c19794992176edc137d7ce6e5cf5a9b205777568afbbaf569e34539b32d372fc5e2e1e40560489d5a4059ffcd336c91ebb5ff2eb958edfc01b8c

/data/data/wbtzhrw.bkytgfnqu.wvrlof.qigtzcst/files/oat/b.cur.prof

MD5 aa93cf83df7b371be98d28d2851e8930
SHA1 a6e67b7f2005401995b466d1445bd3e0aacc5c00
SHA256 d6b0d80ed97e8195259c9ad78762f0adf4cc89275fb8fba8fc677ac3a626f401
SHA512 c4fece82226352234c8ef674438a29da92c745c30923fcf7b0e5124a714f7738f18881c1348d1d957e8c31fe586b8ad6a9d86be696a2ca1565df92e81b8466c6