Malware Analysis Report

2025-01-19 05:00

Sample ID 241220-1z2c6svnat
Target b7f68ad0a81afb087d53b392f5e1811adb7661e8ac013fc55fc4bcab25443414.bin
SHA256 b7f68ad0a81afb087d53b392f5e1811adb7661e8ac013fc55fc4bcab25443414
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

b7f68ad0a81afb087d53b392f5e1811adb7661e8ac013fc55fc4bcab25443414

Threat Level: Known bad

The file b7f68ad0a81afb087d53b392f5e1811adb7661e8ac013fc55fc4bcab25443414.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, MoqHao

XLoader payload

Removes its main activity from the application launcher

Checks if the Android device is rooted.

Queries the phone number (MSISDN for GSM devices)

Queries account information for other applications stored on the device

Loads dropped Dex/Jar

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)

Requests dangerous framework permissions

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

Declares services with permission to bind to the system

Makes use of the framework's foreground persistence service

Attempts to obfuscate APK file format

Acquires the wake lock

Reads information about phone network operator.

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

2024-12-20 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

2024-12-20 22:06

Reported

2024-12-20 22:08

Platform

android-x86-arm-20240624-en

Max time kernel

149s

Max time network

154s

Command Line

nkwdbdp.vuhaaqlrv.xzbzfq.ylwjilon

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/nkwdbdp.vuhaaqlrv.xzbzfq.ylwjilon/app_picture/1.jpg N/A N/A
N/A /data/user/0/nkwdbdp.vuhaaqlrv.xzbzfq.ylwjilon/app_picture/1.jpg N/A N/A
N/A /data/user/0/nkwdbdp.vuhaaqlrv.xzbzfq.ylwjilon/app_picture/1.jpg N/A N/A
N/A /data/user/0/nkwdbdp.vuhaaqlrv.xzbzfq.ylwjilon/files/b N/A N/A
N/A /data/user/0/nkwdbdp.vuhaaqlrv.xzbzfq.ylwjilon/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

nkwdbdp.vuhaaqlrv.xzbzfq.ylwjilon

/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/nkwdbdp.vuhaaqlrv.xzbzfq.ylwjilon/app_picture/1.jpg --output-vdex-fd=46 --oat-fd=47 --oat-location=/data/user/0/nkwdbdp.vuhaaqlrv.xzbzfq.ylwjilon/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
GB 142.250.200.42:443 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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GB 216.58.204.78:443 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
KR 91.204.226.54:28899 tcp
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Files

/data/data/nkwdbdp.vuhaaqlrv.xzbzfq.ylwjilon/app_picture/1.jpg

MD5 820325ac93a04ccd52f876769cabc3fe
SHA1 52fe13c0df032cdcc34a40c9e86a602abcdf049d
SHA256 d38f4a699bab2380b5f5a092e120db5dbfdd11bf7a775d133d3b09661d86ffc8
SHA512 e0ed4b6292986e6e27edaa6d330e6056defba7b939b0f65df9197bcc6ebe0d9a10f146a5c6eb0d8baa921e087001807eb57c6300b5a968fab4ceae21bb2e9747

/data/user/0/nkwdbdp.vuhaaqlrv.xzbzfq.ylwjilon/app_picture/1.jpg

MD5 fe0448db3f918d55a5123f704863a892
SHA1 9e1b21176384172bc08feeb5895a70a99f8606ec
SHA256 2e3e512d669533bcb50494d0b7ed320cc4aaa0545dbfd612baa5279702aa605f
SHA512 8a9b27268ea348eb28057061f0684b5c725e09b32e54088c6ecdfd156b954395ce3a913615526fea2e62b1466935b578f53085267e1bfe9a685d23b31874a5af

/data/data/nkwdbdp.vuhaaqlrv.xzbzfq.ylwjilon/files/b

MD5 3e04a3b314779ab7b515b04648084b64
SHA1 4b76a4fb951eb54b6c8593f50f4b7cc58b2997f1
SHA256 d24fc9979ea6d5e9a278ac59c422f3b189adbe5671a3be0f8e44c52a50af78b7
SHA512 cc87dbada39c5c2396c105d0a7dc9351ef70621261f5a892ecee526b4eac769e721f97ec1913f37dc092d46393c0f6a5d75dfb43fdcb6270236fa8a633ffe984

/storage/emulated/0/.msg_device_id.txt

MD5 2b056327f38f180541b582ed5baf338d
SHA1 48a1f48378409481ebc95b125ce9b9ea2dc0306c
SHA256 f20a58e5379ebb13ddf283fdb5d7b7f7b6dab1dcd3f054bdbf36158534060078
SHA512 fa2101b0f05217fc96dd612397fedd7e02946e78c004f02db07bb4cadf66f153df19fcdaa2d4a0d1e4ff773b0b6998f0f0f7acf2c7f4c67aa7cf6e7c6873e497

/data/data/nkwdbdp.vuhaaqlrv.xzbzfq.ylwjilon/files/oat/b.cur.prof

MD5 fb0466cb1b183fab7aa79036234fa8c9
SHA1 ffaa4cbb14566984b91859ee755f97bb581d7201
SHA256 bc8508f294d2f1d934f2b1bbc59f77613030ffd42c9475531964eaa3e58d1deb
SHA512 7ee261a13abaf5d1809b6189ceb2cf2d87c573c953b2132c2e3cda820507df9e3004660dc66bf78870cdcdc19d4ca8fda1b38b864192073045f7d2b83d3d9374