Malware Analysis Report

2024-10-19 13:00

Sample ID 240223-1xhhaaaf6x
Target 62395f9a8e80a24ae915d9b24c4d5c47c0af1cd0c590982cb4c2ee233f6e6d90.bin
SHA256 62395f9a8e80a24ae915d9b24c4d5c47c0af1cd0c590982cb4c2ee233f6e6d90
Tags
ermac banker collection discovery evasion infostealer 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: 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

62395f9a8e80a24ae915d9b24c4d5c47c0af1cd0c590982cb4c2ee233f6e6d90

Threat Level: Known bad

The file 62395f9a8e80a24ae915d9b24c4d5c47c0af1cd0c590982cb4c2ee233f6e6d90.bin was found to be: Known bad.

Malicious Activity Summary

ermac banker collection discovery evasion infostealer stealth trojan

Ermac

Ermac family

Ermac2 payload

Makes use of the framework's Accessibility service

Removes its main activity from the application launcher

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

Declares services with permission to bind to the system

Acquires the wake lock

Reads information about phone network operator.

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

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

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-23 22:01

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 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

2024-02-23 22:01

Reported

2024-02-23 22:06

Platform

android-x86-arm-20240221-en

Max time kernel

147s

Max time network

157s

Command Line

com.mijirugilozi.kibi

Signatures

Ermac

banker trojan infostealer ermac

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

Acquires the wake lock

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

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.mijirugilozi.kibi

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
FR 5.42.67.88:3434 5.42.67.88 tcp
FR 5.42.67.88:3434 5.42.67.88 tcp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 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 157.240.221.16:443 static.xx.fbcdn.net tcp
US 1.1.1.1:53 www.instagram.com udp
GB 172.217.169.14:443 m.youtube.com tcp
US 151.101.65.16:443 images-na.ssl-images-amazon.com tcp
NL 185.15.59.224:443 en.m.wikipedia.org tcp
GB 104.86.110.176:80 a.espncdn.com tcp
GB 87.248.114.11:443 s.yimg.com 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 216.58.213.4:443 www.google.com tcp
FR 5.42.67.88:3434 5.42.67.88 tcp
GB 216.58.213.4:443 www.google.com tcp
US 1.1.1.1:53 ebfzqaa udp
US 1.1.1.1:53 hajkrxnljatsll udp
US 1.1.1.1:53 btmxzgx udp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-23 22:01

Reported

2024-02-23 22:06

Platform

android-x64-20240221-en

Max time kernel

149s

Max time network

157s

Command Line

com.mijirugilozi.kibi

Signatures

Ermac

banker trojan infostealer ermac

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

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

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.mijirugilozi.kibi

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 142.250.200.8:443 ssl.google-analytics.com tcp
FR 5.42.67.88:3434 5.42.67.88 tcp
FR 5.42.67.88:3434 5.42.67.88 tcp
FR 5.42.67.88:3434 5.42.67.88 tcp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 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 173.194.76.84:443 accounts.google.com tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.187.228:443 www.google.com tcp
US 1.1.1.1:53 mbujebthlqep udp
US 1.1.1.1:53 hqkodjx udp
US 1.1.1.1:53 cmikypv udp
GB 216.58.213.4:443 tcp
GB 216.58.213.4:443 tcp
GB 142.250.178.14:443 tcp
GB 216.58.212.226:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-02-23 22:01

Reported

2024-02-23 22:06

Platform

android-x64-arm64-20240221-en

Max time kernel

158s

Max time network

161s

Command Line

com.mijirugilozi.kibi

Signatures

Ermac

banker trojan infostealer ermac

Makes use of the framework's Accessibility service

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

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.mijirugilozi.kibi

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.178.14:443 udp
GB 142.250.187.234:443 tcp
GB 142.250.200.46:443 tcp
GB 142.250.187.234:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.201.104:443 ssl.google-analytics.com tcp
FR 5.42.67.88:3434 5.42.67.88 tcp
FR 5.42.67.88:3434 5.42.67.88 tcp
FR 5.42.67.88:3434 5.42.67.88 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 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 157.240.221.16:443 static.xx.fbcdn.net tcp
US 1.1.1.1:53 www.instagram.com udp
GB 142.250.187.238:443 m.youtube.com tcp
US 151.101.129.16:443 images-na.ssl-images-amazon.com tcp
NL 185.15.59.224:443 en.m.wikipedia.org tcp
GB 88.221.134.131:80 a.espncdn.com tcp
GB 87.248.114.11:443 s.yimg.com 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 142.250.187.228:443 www.google.com tcp
US 1.1.1.1:53 aqawkthiixmeo udp
US 1.1.1.1:53 axhdgnzkhcnwww udp
US 1.1.1.1:53 yihedflyeuw udp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
US 1.1.1.1:53 update.googleapis.com udp
GB 142.250.179.227:443 update.googleapis.com tcp

Files

N/A