Malware Analysis Report

2024-09-09 13:42

Sample ID 240516-w37bdaaa2x
Target Chrome.apk
SHA256 052ec0779752b426df2de4d8bb497834487b784a510467b1ab290d0c899f607c
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan stealth
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

052ec0779752b426df2de4d8bb497834487b784a510467b1ab290d0c899f607c

Threat Level: Known bad

The file Chrome.apk was found to be: Known bad.

Malicious Activity Summary

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan stealth

Octo payload

Octo

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)

Makes use of the framework's Accessibility service

Requests accessing notifications (often used to intercept notifications before users become aware).

Prevents application removal

Requests modifying system settings.

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

Makes use of the framework's foreground persistence service

Queries the mobile country code (MCC)

Queries the phone number (MSISDN for GSM devices)

Loads dropped Dex/Jar

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

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

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

Reads information about phone network operator.

Acquires the wake lock

Declares services with permission to bind to the system

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-16 18:27

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
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 read from external storage. android.permission.READ_EXTERNAL_STORAGE 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 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 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 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 read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-16 18:27

Reported

2024-05-16 18:29

Platform

android-x64-arm64-20240514-en

Max time kernel

59s

Max time network

68s

Command Line

com.manynearujx

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

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

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.findAccessibilityNodeInfosByViewId N/A N/A

Prevents application removal

evasion
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction 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

Requests accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.manynearujx/cache/wgjdmcmqbst N/A N/A
N/A /data/user/0/com.manynearujx/cache/wgjdmcmqbst 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 the mobile country code (MCC)

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

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)

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

Processes

com.manynearujx

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 2moneycsasfasfh.com udp
US 1.1.1.1:53 moneycsasfasfh.com udp
US 1.1.1.1:53 3moneycsasfasfh.com udp
US 1.1.1.1:53 2moneycsasfasfh.net udp
US 1.1.1.1:53 www.ip-api.com udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 moneymaskalandd.shop udp
US 1.1.1.1:53 moneycsffhgm7.shop udp
AM 85.209.133.184:443 moneycsffhgm7.shop tcp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 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
AM 85.209.133.184:443 moneycsffhgm7.shop tcp
GB 142.250.178.4:443 tcp
GB 142.250.178.4:443 tcp

Files

/data/user/0/com.manynearujx/cache/wgjdmcmqbst

MD5 11f306ca3a60cc579beccf71a4d8b563
SHA1 cc9de84e4e16e39e75c9df582313008c912a473f
SHA256 7cc2275b2e24cbb17327b62b6f37ad7d72d6c7f8af91b2d16e282bb5968c18cd
SHA512 0d1667c33b3702b9cdadba0284f1ff2fe2b38f4c15b4c18a196ca9586b0e0f1852dcb17a4fb31dfb64f08053cd2e36400f397a9fc5352218dabe859c8dd2a703

/data/user/0/com.manynearujx/cache/oat/wgjdmcmqbst.cur.prof

MD5 d69184679b6fb0d3b6fe06e64df6cce2
SHA1 82ea618f92631d86b06f55bfe056b92afe479500
SHA256 9e896ce4654d6553161d1fd7933d395da5000f76028516e672cdd4addf1b98a5
SHA512 3b51d6a275d299a73bfe33a5e3e6445c805e158265557f6414c8750ad5c510d251184ec5263c504226340c7a395ccc53f45e4bc4a58f633f8437114d69bfd9d8

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-16 18:27

Reported

2024-05-16 18:29

Platform

android-x86-arm-20240514-en

Max time kernel

70s

Max time network

75s

Command Line

com.manynearujx

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

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

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.findAccessibilityNodeInfosByViewId N/A N/A

Prevents application removal

evasion
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction 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

Removes its main activity from the application launcher

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

Requests accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.manynearujx/cache/wgjdmcmqbst N/A N/A
N/A /data/user/0/com.manynearujx/cache/wgjdmcmqbst 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 the mobile country code (MCC)

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

Queries the phone number (MSISDN for GSM devices)

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

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

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)

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

Processes

com.manynearujx

Network

Country Destination Domain Proto
GB 172.217.169.42:443 tcp
N/A 224.0.0.251:5353 udp
GB 172.217.169.42:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.187.196:443 www.google.com tcp
US 1.1.1.1:53 3moneycsasfasfh.com udp
US 1.1.1.1:53 2moneycsasfasfh.com udp
US 1.1.1.1:53 www.ip-api.com udp
US 1.1.1.1:53 moneymaskalandd.shop udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 moneycsasfasfh.com udp
US 1.1.1.1:53 2moneycsasfasfh.net udp
US 1.1.1.1:53 moneycsffhgm7.shop udp
US 1.1.1.1:53 moneycsasfasfh.net udp
AM 85.209.133.184:443 moneycsffhgm7.shop tcp
AM 85.209.133.184:443 moneycsffhgm7.shop tcp
GB 142.250.178.3:443 tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
GB 172.217.169.42:443 semanticlocation-pa.googleapis.com tcp
AM 85.209.133.184:443 moneycsffhgm7.shop tcp

Files

/data/data/com.manynearujx/cache/wgjdmcmqbst

MD5 11f306ca3a60cc579beccf71a4d8b563
SHA1 cc9de84e4e16e39e75c9df582313008c912a473f
SHA256 7cc2275b2e24cbb17327b62b6f37ad7d72d6c7f8af91b2d16e282bb5968c18cd
SHA512 0d1667c33b3702b9cdadba0284f1ff2fe2b38f4c15b4c18a196ca9586b0e0f1852dcb17a4fb31dfb64f08053cd2e36400f397a9fc5352218dabe859c8dd2a703

/data/data/com.manynearujx/cache/oat/wgjdmcmqbst.cur.prof

MD5 548c4d93a807208e86544fdce2e41a8f
SHA1 1b74b75d4a87cb92f9e17987e944635c320eb01e
SHA256 1eedca8f17eaeaab3332e9cfd799b379f7e0744d9569023b769b993b92a43273
SHA512 e16fcf8ca3ab35372f2fde819b74d214ed1660d7145bcc8e2e780b75d252347c967fde83681c700ad2ecfacd3060e9008f411c85213f30058af0520f5baa3810