Malware Analysis Report

2024-10-19 13:00

Sample ID 240224-1xk86sfe39
Target 83c7f9550598273759d95f9ab17c002436a9c108ab0b7f8cce71f5d7d62f1494.bin
SHA256 83c7f9550598273759d95f9ab17c002436a9c108ab0b7f8cce71f5d7d62f1494
Tags
ermac banker collection evasion infostealer stealth trojan discovery
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

83c7f9550598273759d95f9ab17c002436a9c108ab0b7f8cce71f5d7d62f1494

Threat Level: Known bad

The file 83c7f9550598273759d95f9ab17c002436a9c108ab0b7f8cce71f5d7d62f1494.bin was found to be: Known bad.

Malicious Activity Summary

ermac banker collection evasion infostealer stealth trojan discovery

Ermac

Ermac2 payload

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Makes use of the framework's Accessibility service

Removes its main activity from the application launcher

Loads dropped Dex/Jar

Acquires the wake lock

Declares services with permission to bind to the system

Reads information about phone network operator.

Queries the unique device ID (IMEI, MEID, IMSI)

Declares broadcast receivers with permission to handle system events

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

Requests dangerous framework permissions

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-24 22:01

Signatures

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 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
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES 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 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 access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS 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 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

2024-02-24 22:01

Reported

2024-02-24 22:11

Platform

android-x86-arm-20240221-en

Max time kernel

146s

Max time network

151s

Command Line

com.naraxusuyewazeve.vixipi

Signatures

Ermac

banker trojan infostealer ermac

Ermac2 payload

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

Makes use of the framework's Accessibility service

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

Removes its main activity from the application launcher

stealth trojan
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Loads dropped Dex/Jar

Description Indicator Process Target
N/A /data/user/0/com.naraxusuyewazeve.vixipi/app_ded/S0woO6ydBnpioUEDUpfPHgxNADcTAHZa.dex N/A N/A
N/A /data/user/0/com.naraxusuyewazeve.vixipi/app_ded/S0woO6ydBnpioUEDUpfPHgxNADcTAHZa.dex N/A N/A
N/A /data/user/0/com.naraxusuyewazeve.vixipi/app_ded/S0woO6ydBnpioUEDUpfPHgxNADcTAHZa.dex N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

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

Uses Crypto APIs (Might try to encrypt user data)

Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.naraxusuyewazeve.vixipi

/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/com.naraxusuyewazeve.vixipi/app_ded/S0woO6ydBnpioUEDUpfPHgxNADcTAHZa.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.naraxusuyewazeve.vixipi/app_ded/oat/x86/S0woO6ydBnpioUEDUpfPHgxNADcTAHZa.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.178.14:443 android.apis.google.com tcp
US 1.1.1.1:53 static.xx.fbcdn.net udp
US 1.1.1.1:53 m.youtube.com udp
US 1.1.1.1:53 images-na.ssl-images-amazon.com udp
US 1.1.1.1:53 en.m.wikipedia.org udp
US 1.1.1.1:53 a.espncdn.com udp
US 1.1.1.1:53 s.yimg.com udp
US 1.1.1.1:53 ir.ebaystatic.com udp
GB 163.70.151.21:443 static.xx.fbcdn.net tcp
US 1.1.1.1:53 www.instagram.com udp
GB 142.250.200.46:443 m.youtube.com tcp
US 151.101.1.16:443 images-na.ssl-images-amazon.com tcp
NL 185.15.59.224:443 en.m.wikipedia.org tcp
GB 2.18.66.227:80 a.espncdn.com tcp
GB 87.248.114.11:443 s.yimg.com tcp
US 151.101.66.206:443 ir.ebaystatic.com tcp
GB 157.240.214.174:443 www.instagram.com tcp
US 1.1.1.1:53 www.google.com udp
GB 216.58.204.68:443 www.google.com tcp
GB 216.58.204.68:443 www.google.com tcp
US 1.1.1.1:53 hmmgmzp udp
US 1.1.1.1:53 vtjfwyeacx udp
US 1.1.1.1:53 dpfmhggm udp
DE 77.105.132.58:3434 77.105.132.58 tcp
DE 77.105.132.58:3434 77.105.132.58 tcp
US 1.1.1.1:53 images-eu.ssl-images-amazon.com udp
US 1.1.1.1:53 www.argos.co.uk udp
US 1.1.1.1:53 www3.next.co.uk udp
US 1.1.1.1:53 www.tesco.com udp
GB 2.18.66.170:80 www.argos.co.uk tcp
GB 104.115.32.121:80 www3.next.co.uk tcp
GB 104.115.32.64:443 www.tesco.com tcp
GB 104.115.32.121:443 www3.next.co.uk tcp
GB 2.18.66.170:443 www.argos.co.uk tcp
US 1.1.1.1:53 update.googleapis.com udp

Files

/data/data/com.naraxusuyewazeve.vixipi/app_ded/S0woO6ydBnpioUEDUpfPHgxNADcTAHZa.dex

MD5 941985965631fb2d3297a776fdd31c1b
SHA1 5b56b5cbda4111da8cd5d3950c7968d61a6d7216
SHA256 a639cb1658b2c434ae64158d458ea0e59aa6df835418af1f3be261533cb057d1
SHA512 1e1050154fa725c9a6a80c6a4914a56b2d524934d232c108278a3d5e8a2f7ba02d013c8534541b5575870a8d0f1ef426e6dd378235f1fa712293514b9fcfccac

/data/user/0/com.naraxusuyewazeve.vixipi/app_ded/S0woO6ydBnpioUEDUpfPHgxNADcTAHZa.dex

MD5 17dc733f911d76a23af267618d14baa5
SHA1 7859156e97790bfb0a0ddcffc53a8f0a4f5146fa
SHA256 da13d4121faf654a324b28aa0649253d9494b5f252008f5f354579eb1903093a
SHA512 a8bc2bf2da3f10adc4d2cee3558d9970e96089da02434642da55009f579746ba2fe7fc509bc278221d3e54affe0827cf2eef5015461bf4154b60c68d4840924d

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-24 22:01

Reported

2024-02-24 22:11

Platform

android-x64-20240221-en

Max time kernel

165s

Max time network

171s

Command Line

com.naraxusuyewazeve.vixipi

Signatures

Ermac

banker trojan infostealer ermac

Ermac2 payload

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

Makes use of the framework's Accessibility service

collection evasion
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText 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
Description Indicator Process Target
Framework service call android.content.pm.IPackageManager.getInstalledApplications N/A N/A

Removes its main activity from the application launcher

stealth trojan
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Loads dropped Dex/Jar

Description Indicator Process Target
N/A /data/user/0/com.naraxusuyewazeve.vixipi/app_ded/AOIq1A5EX9KWGPwG5Zuh2KC63pKRbfpC.dex N/A N/A
N/A /data/user/0/com.naraxusuyewazeve.vixipi/app_ded/AOIq1A5EX9KWGPwG5Zuh2KC63pKRbfpC.dex N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Reads information about phone network operator.

discovery

Uses Crypto APIs (Might try to encrypt user data)

Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.naraxusuyewazeve.vixipi

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.178.8:443 ssl.google-analytics.com tcp
DE 77.105.132.58:3434 77.105.132.58 tcp
DE 77.105.132.58:3434 77.105.132.58 tcp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.178.14:443 android.apis.google.com tcp
US 1.1.1.1:53 accounts.google.com udp
US 1.1.1.1:53 accounts.google.com udp
BE 74.125.71.84:443 accounts.google.com tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.180.4:443 www.google.com tcp
US 1.1.1.1:53 pwoyjlsbk udp
US 1.1.1.1:53 bgbrtfzkbrkl udp
US 1.1.1.1:53 hujlykyjn udp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp
GB 172.217.169.78:443 tcp
GB 142.250.200.34:443 tcp

Files

/data/data/com.naraxusuyewazeve.vixipi/app_ded/AOIq1A5EX9KWGPwG5Zuh2KC63pKRbfpC.dex

MD5 941985965631fb2d3297a776fdd31c1b
SHA1 5b56b5cbda4111da8cd5d3950c7968d61a6d7216
SHA256 a639cb1658b2c434ae64158d458ea0e59aa6df835418af1f3be261533cb057d1
SHA512 1e1050154fa725c9a6a80c6a4914a56b2d524934d232c108278a3d5e8a2f7ba02d013c8534541b5575870a8d0f1ef426e6dd378235f1fa712293514b9fcfccac

Analysis: behavioral3

Detonation Overview

Submitted

2024-02-24 22:01

Reported

2024-02-24 22:12

Platform

android-x64-arm64-20240221-en

Max time kernel

155s

Max time network

165s

Command Line

com.naraxusuyewazeve.vixipi

Signatures

Ermac

banker trojan infostealer ermac

Ermac2 payload

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

Makes use of the framework's Accessibility service

collection evasion
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText 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
Description Indicator Process Target
Framework service call android.content.pm.IPackageManager.getInstalledApplications N/A N/A

Removes its main activity from the application launcher

stealth trojan
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Loads dropped Dex/Jar

Description Indicator Process Target
N/A /data/user/0/com.naraxusuyewazeve.vixipi/app_ded/DDi318JRQYvFxYOS2HW6S0ypD7NyuN6c.dex N/A N/A
N/A /data/user/0/com.naraxusuyewazeve.vixipi/app_ded/DDi318JRQYvFxYOS2HW6S0ypD7NyuN6c.dex N/A N/A
N/A /data/user/0/com.naraxusuyewazeve.vixipi/app_ded/DDi318JRQYvFxYOS2HW6S0ypD7NyuN6c.dex (deleted) N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

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

Uses Crypto APIs (Might try to encrypt user data)

Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.naraxusuyewazeve.vixipi

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
GB 142.250.200.46:443 udp
N/A 224.0.0.251:5353 udp
GB 172.217.169.74:443 tcp
GB 172.217.169.74:443 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.204.72:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 accounts.google.com udp
US 1.1.1.1:53 static.xx.fbcdn.net udp
US 1.1.1.1:53 m.youtube.com udp
GB 163.70.151.21:443 static.xx.fbcdn.net tcp
US 1.1.1.1:53 images-na.ssl-images-amazon.com udp
US 1.1.1.1:53 en.m.wikipedia.org udp
US 1.1.1.1:53 a.espncdn.com udp
US 1.1.1.1:53 s.yimg.com udp
US 1.1.1.1:53 ir.ebaystatic.com udp
US 1.1.1.1:53 www.instagram.com udp
GB 142.250.200.14:443 m.youtube.com tcp
GB 87.248.114.12:443 s.yimg.com tcp
GB 2.18.66.227:80 a.espncdn.com tcp
GB 18.154.87.195:443 images-na.ssl-images-amazon.com tcp
NL 185.15.59.224:443 en.m.wikipedia.org tcp
PL 93.184.221.225:443 ir.ebaystatic.com tcp
GB 157.240.214.174:443 www.instagram.com tcp
US 1.1.1.1:53 www.google.com udp
GB 216.58.204.68:443 www.google.com tcp
US 1.1.1.1:53 accounts.google.com udp
BE 74.125.71.84:443 accounts.google.com tcp
US 1.1.1.1:53 ummzwvczfa udp
US 1.1.1.1:53 kxgbghknbpmlx udp
US 1.1.1.1:53 xweivlnl udp
DE 77.105.132.58:3434 77.105.132.58 tcp
DE 77.105.132.58:3434 77.105.132.58 tcp
GB 216.58.204.68:443 www.google.com tcp
DE 77.105.132.58:3434 77.105.132.58 tcp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp
US 1.1.1.1:53 update.googleapis.com udp
GB 172.217.16.227:443 update.googleapis.com tcp
US 1.1.1.1:53 update.googleapis.com udp
GB 142.250.200.3:443 update.googleapis.com tcp

Files

/data/user/0/com.naraxusuyewazeve.vixipi/app_ded/DDi318JRQYvFxYOS2HW6S0ypD7NyuN6c.dex

MD5 941985965631fb2d3297a776fdd31c1b
SHA1 5b56b5cbda4111da8cd5d3950c7968d61a6d7216
SHA256 a639cb1658b2c434ae64158d458ea0e59aa6df835418af1f3be261533cb057d1
SHA512 1e1050154fa725c9a6a80c6a4914a56b2d524934d232c108278a3d5e8a2f7ba02d013c8534541b5575870a8d0f1ef426e6dd378235f1fa712293514b9fcfccac