Malware Analysis Report

2025-01-19 05:48

Sample ID 241126-111s2askhx
Target 875018719a226dae8f3a6b79fcc83f16598551809a2e189d36dd8b79d68e8eab.bin
SHA256 875018719a226dae8f3a6b79fcc83f16598551809a2e189d36dd8b79d68e8eab
Tags
hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan ermac
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

875018719a226dae8f3a6b79fcc83f16598551809a2e189d36dd8b79d68e8eab

Threat Level: Known bad

The file 875018719a226dae8f3a6b79fcc83f16598551809a2e189d36dd8b79d68e8eab.bin was found to be: Known bad.

Malicious Activity Summary

hook collection credential_access discovery evasion execution impact infostealer persistence rat trojan ermac

Ermac family

Hook family

Ermac2 payload

Hook

Obtains sensitive information copied to the device clipboard

Makes use of the framework's Accessibility service

Queries information about running processes on the device

Queries the phone number (MSISDN for GSM devices)

Declares services with permission to bind to the system

Makes use of the framework's foreground persistence service

Reads information about phone network operator.

Acquires the wake lock

Queries information about the current Wi-Fi connection

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

Queries the mobile country code (MCC)

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

Schedules tasks to execute at a specified time

Uses Crypto APIs (Might try to encrypt user data)

Checks memory information

Checks CPU information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-26 22:07

Signatures

Ermac family

ermac

Ermac2 payload

Description Indicator Process Target
N/A N/A N/A N/A

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

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
Required by accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
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 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 receive SMS messages. android.permission.RECEIVE_SMS 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 read access to the device's phone number(s). android.permission.READ_PHONE_NUMBERS N/A N/A
Allows an application to read the user's call log. android.permission.READ_CALL_LOG N/A N/A
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. android.permission.CALL_PHONE N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to write the user's contacts data. android.permission.WRITE_CONTACTS 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 create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-26 22:07

Reported

2024-11-26 22:10

Platform

android-x86-arm-20240624-en

Max time kernel

54s

Max time network

154s

Command Line

com.muyizozulita.xele

Signatures

Hook

rat trojan infostealer hook

Hook family

hook

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

Queries information about running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A

Queries the phone number (MSISDN for GSM devices)

discovery

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

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Reads information about phone network operator.

discovery

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

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule 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

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

com.muyizozulita.xele

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 null udp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp

Files

/data/data/com.muyizozulita.xele/no_backup/androidx.work.workdb-journal

MD5 85755b3207c49295f0beeaa67fb5e9b2
SHA1 a18f08afa37097b989a3e7ad963ac20019883d23
SHA256 0155448b32bcba8d83b852e392a662ec4635e1d74f313432a1d9561c09439ebd
SHA512 63789d7714267af695dc100cdbf1241bd416781fae59875e16ebf1525eef9e218f9fb1a668c635bc9d0888ec914dd0cad923c99ac74b2f6fcf1a980cbebb2969

/data/data/com.muyizozulita.xele/no_backup/androidx.work.workdb

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.muyizozulita.xele/no_backup/androidx.work.workdb-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.muyizozulita.xele/no_backup/androidx.work.workdb-wal

MD5 c4f074252beb2c10d33c27a9be0a7d56
SHA1 4ca04ce17cf0c5760c6adbdbd6d964dc0b12ee49
SHA256 5409a4c74ef2537406db409e010a1fe1bdf4aec73f03b1e3bb60df8e87d07817
SHA512 7c285de0dd5bdb85c89aa0e77637b7b6e002c3ab6f39f521df91c78695a73a20c47b27b0d375a06370415b0eb6267caecd6cd6263264a70b0220c84b3fafe919

/data/data/com.muyizozulita.xele/no_backup/androidx.work.workdb-wal

MD5 6cf8abd7244afd3163ef88ae50038a4c
SHA1 b7f8a9ff8c2642c108489b9648076056d285ab7d
SHA256 b64aeb69e0eefebf8820c2662f7c45011ab4c28f61c7e3e16f218a15fde4d8e3
SHA512 7f19c84230e4dfc294b0f5168e2c82322683cd318e17e55094400d577b7666f0d801e0aff8d770fe8f75054fd9f69adaef87350b5b5fe7d4c9fdaae0eca30e50

/data/data/com.muyizozulita.xele/no_backup/androidx.work.workdb-wal

MD5 dc15e6d329073553cd2489e3d9596b4a
SHA1 dfd872eee34954e3160332deb47c0ba29887a1ac
SHA256 bf65c280cd26f343026c4e77ec24a4600d757f4f965b98ee3018014c274bb0b5
SHA512 1d49baa9ca574af84a7ca2d642ef8bd4f8914bb7f822a343e299d9b856d9de590aa952140ceeee4c7c2a619e4ec2804082a50f6336f50e492cda3e722a1930e5

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-26 22:07

Reported

2024-11-26 22:10

Platform

android-x64-20240910-en

Max time kernel

149s

Max time network

150s

Command Line

com.muyizozulita.xele

Signatures

Hook

rat trojan infostealer hook

Hook family

hook

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

Queries information about running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A

Queries the phone number (MSISDN for GSM devices)

discovery

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

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Reads information about phone network operator.

discovery

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

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule 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

Processes

com.muyizozulita.xele

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.42:443 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 172.217.16.238:443 android.apis.google.com tcp
US 1.1.1.1:53 null udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.201.104:443 ssl.google-analytics.com tcp
GB 172.217.169.46:443 tcp
GB 142.250.200.2:443 tcp

Files

/data/data/com.muyizozulita.xele/no_backup/androidx.work.workdb-journal

MD5 1ca20f0299856626af853b3aa4646452
SHA1 6aa4c63e7b3ddbd48f43281c0336f65bb2c3f386
SHA256 81100b416fc6dcbd9dd2e2a34af07d6b980f06731de1aaac5ac128feaee81d20
SHA512 6ab8eda5072d94ff1eddef9456c9f531e166ff9b3345d86dd5f5c3d2676d144fe314bbbdeda65e54732a33018ff306cac7939fcce5940ec07763382ee839a69b

/data/data/com.muyizozulita.xele/no_backup/androidx.work.workdb

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.muyizozulita.xele/no_backup/androidx.work.workdb-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.muyizozulita.xele/no_backup/androidx.work.workdb-wal

MD5 18176b61193933141b7c73b3cdd976bd
SHA1 3c6cffb329a27a408b0b06e48db2dfd2b8fbfac1
SHA256 d9b3b749763b9d5cbbfc6caa2febbdb9108b8ae9d47ea75e2a03cc93cc6e9916
SHA512 2c8b5bd5110c2f99254545c3df357fd96a8e7b47e3f15b219d3d71c18ec883c422f15359009bcbc704a13c374c5342aa0e2e02a6a6a38fd1186ba69669e7784d

/data/data/com.muyizozulita.xele/no_backup/androidx.work.workdb-wal

MD5 4391536f11d1006270e1bbecc12310cc
SHA1 f3abe00da4babcb25d3aa1d0279d3a95c2f2da0f
SHA256 1793e6797d29f33ef48f34ea6552b458510139c1bcc27b3f2d4a2f8f42f2d8db
SHA512 fb03a8bcfb227c8a1617c4d02c50185f7a6ff8cddd691fb80a79531bbdee361b5c2a96b8e4b26c4da884b4ac126c27736f36b4e495beebd34e764c47baf36581

/data/data/com.muyizozulita.xele/no_backup/androidx.work.workdb-wal

MD5 8ace5f24a51e9f50a65b8ee583e34658
SHA1 f63006efb2a88f3daa92223121f0abe302753694
SHA256 476ad955b02b65117dbc7a3296dfdaa46bfbb90c1f71b88b557ff6b988233f10
SHA512 3cd5786a108e20a3aa62ebe4865529af0b9fbb2eec18aecb2b583f3294a78520235069823d48e4cc1e7b7e2d2e078a1aad0c2e98d100afeb86da22868a01aa28

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-26 22:07

Reported

2024-11-26 22:10

Platform

android-x64-arm64-20240624-en

Max time kernel

51s

Max time network

156s

Command Line

com.muyizozulita.xele

Signatures

Hook

rat trojan infostealer hook

Hook family

hook

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener N/A N/A

Queries information about running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A

Queries the phone number (MSISDN for GSM devices)

discovery

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

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Reads information about phone network operator.

discovery

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule 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

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

com.muyizozulita.xele

Network

Country Destination Domain Proto
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
GB 142.250.187.238:443 android.apis.google.com tcp
US 1.1.1.1:53 null udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.200:443 ssl.google-analytics.com tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.179.228:443 www.google.com tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp
NL 45.154.98.56:3434 tcp

Files

/data/user/0/com.muyizozulita.xele/no_backup/androidx.work.workdb-journal

MD5 c28dd69f4890f9479d486e9a432acf3e
SHA1 d3f6b540f57ff50ae91035614d617f551b76c9fb
SHA256 309929b09fd7eda880c27fd4afe46cce09dec75d6197ae879bbc30d2f2996ad5
SHA512 d13f678d1d7c4d2a0745d7d275a63cafff461b7215c646f831dfd3b0ef3fb0bdbd4690d8b176638685296c24f2690d37cc1a5d0851b7ad40d78b2e55d5d7743f

/data/user/0/com.muyizozulita.xele/no_backup/androidx.work.workdb

MD5 7e858c4054eb00fcddc653a04e5cd1c6
SHA1 2e056bf31a8d78df136f02a62afeeca77f4faccf
SHA256 9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad
SHA512 d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

/data/user/0/com.muyizozulita.xele/no_backup/androidx.work.workdb-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/user/0/com.muyizozulita.xele/no_backup/androidx.work.workdb-wal

MD5 9e996c82249dd173bb379afcdc5df6b4
SHA1 7aa2f9f91c4dfc9fa0bc27044e252339349852d2
SHA256 4b7c5f298b8b422be748aad44f63b3591533f90ca37d1677bca7ec477b9f9492
SHA512 d5ec6e2ff869e55573ff4f68403d861d47d1dd43b391dcdc31b63b74d525b02896aa54c5723e60b6d626c86fdac71fd6e990a2bb5cb87f853fafeda6119d0457

/data/user/0/com.muyizozulita.xele/no_backup/androidx.work.workdb-wal

MD5 aa4b65927f6b6226d75cc7176d477962
SHA1 e2df1b00a18aac9a2f34671f800825e90bdc647b
SHA256 02bd1d1ca00b1cd457c12ec8f9e9bb5a24b5218c957032403b8e11bea609f471
SHA512 7a511f90c7bdbb1826ac1f72e87d13bd52b4a6601bcec2ce0dd8021369a1addb66c14dd29584a8be17728e17c1a83d7f8f29466033a0a95a1e8819bf1cf349cf

/data/user/0/com.muyizozulita.xele/no_backup/androidx.work.workdb-wal

MD5 e2a6f4691aaa00e48b9df64cbc85b654
SHA1 db23a0d87e655cebdb6c7912a8072a4f8e9ac29f
SHA256 f475d5de126fa4b51d07df0baf8199f1c383f3f6b4fb1853a4ac540641f5b2c6
SHA512 e50ebbd70988bae118b11ed98727e0680644572bc80b33ab8bca02e17832f54287c0ee9f1a5988b901a9069733191322d92068f2ccbddd78cc9a16a3471bd15a