Malware Analysis Report

2024-09-09 13:45

Sample ID 240529-z3xcysah23
Target 9080a54e73715519de508607be5198a2563d12b9f044ac858024fea6227373b5.bin
SHA256 9080a54e73715519de508607be5198a2563d12b9f044ac858024fea6227373b5
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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 Overview

score
10/10

SHA256

9080a54e73715519de508607be5198a2563d12b9f044ac858024fea6227373b5

Threat Level: Known bad

The file 9080a54e73715519de508607be5198a2563d12b9f044ac858024fea6227373b5.bin was found to be: Known bad.

Malicious Activity Summary

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

Octo

Octo payload

Prevents application removal

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

Requests modifying system settings.

Makes use of the framework's Accessibility service

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

Removes its main activity from the application launcher

Queries the phone number (MSISDN for GSM devices)

Queries the mobile country code (MCC)

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

Loads dropped Dex/Jar

Makes use of the framework's foreground persistence service

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

Declares services with permission to bind to the system

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

Acquires the wake lock

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

Reads information about phone network operator.

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-29 21:15

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 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: behavioral1

Detonation Overview

Submitted

2024-05-29 21:15

Reported

2024-05-29 21:18

Platform

android-x86-arm-20240514-en

Max time kernel

54s

Max time network

149s

Command Line

com.basesure8

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.basesure8/cache/vicqp N/A N/A
N/A /data/user/0/com.basesure8/cache/vicqp 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.basesure8

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.212.227:443 tcp
US 1.1.1.1:53 www.ip-api.com udp
US 1.1.1.1:53 moneyeurolandscans.net udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 moneyeurolanddelicim.net udp
US 1.1.1.1:53 moneyeurolandbebek.net udp
US 1.1.1.1:53 moneyeurolandbabis.net udp
US 1.1.1.1:53 moneyeuroland.net udp
BG 79.110.49.131:443 moneyeuroland.net tcp
BG 79.110.49.131:443 moneyeuroland.net tcp
GB 142.250.180.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
GB 172.217.169.42:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
BG 79.110.49.131:443 moneyeuroland.net tcp
GB 142.250.200.46:443 tcp
GB 142.250.180.2:443 tcp
BG 79.110.49.131:443 moneyeuroland.net tcp

Files

/data/data/com.basesure8/cache/vicqp

MD5 e403d4ee8e4007469384c292df88152c
SHA1 8d01dfb3c023526162e8eb43e8dbedab3303b9b9
SHA256 30beb2700112ec1b91c0e884a965f5f3e57827a9fe30d684f28c964e34ae5c59
SHA512 c85f59f2fdeb57748c343fdcb6fb0b35a78af020764a2905bd2f72ab21d247641922576b68e9705883233040997da67059abea8dc5915a040f3f78c97eda5d60

/data/data/com.basesure8/cache/oat/vicqp.cur.prof

MD5 5f7fdb6273a226b2adb7844aa3a47f57
SHA1 6b85c6b6b046cbcd9e6f6bca078fe78ba3d0f304
SHA256 f23e4390e9ccd27b766dbbdee08702ca0b77fe59f827286e85d146dec79e91f8
SHA512 5c7e2834eddd12493b45596a26572eb23b81bc4ddf2ef5f73d761eda9063cfb87516bb4e9069b2fe85321c2622fb27aacb549176472afb024398f30cbc8aeb1b

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-29 21:15

Reported

2024-05-29 21:18

Platform

android-x64-20240514-en

Max time kernel

178s

Max time network

178s

Command Line

com.basesure8

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.basesure8/cache/vicqp N/A N/A
N/A /data/user/0/com.basesure8/cache/vicqp 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

Reads information about phone network operator.

discovery

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.basesure8

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 142.250.200.40:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 moneyeurolandbabis.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 moneyeurolanddelicim.net udp
US 1.1.1.1:53 moneyeurolandbebek.net udp
US 1.1.1.1:53 moneyeurolandscans.net udp
US 1.1.1.1:53 moneyeuroland.net udp
BG 79.110.49.131:443 moneyeuroland.net tcp
BG 79.110.49.131:443 moneyeuroland.net tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
GB 172.217.16.238:443 android.apis.google.com tcp
GB 172.217.16.238:443 android.apis.google.com tcp
GB 216.58.212.226:443 tcp
GB 172.217.16.238:443 android.apis.google.com tcp
BG 79.110.49.131:443 moneyeuroland.net tcp
BG 79.110.49.131:443 moneyeuroland.net tcp

Files

/data/data/com.basesure8/cache/vicqp

MD5 e403d4ee8e4007469384c292df88152c
SHA1 8d01dfb3c023526162e8eb43e8dbedab3303b9b9
SHA256 30beb2700112ec1b91c0e884a965f5f3e57827a9fe30d684f28c964e34ae5c59
SHA512 c85f59f2fdeb57748c343fdcb6fb0b35a78af020764a2905bd2f72ab21d247641922576b68e9705883233040997da67059abea8dc5915a040f3f78c97eda5d60

/data/data/com.basesure8/cache/oat/vicqp.cur.prof

MD5 6547ebab665d2c8e1c36981c244d466e
SHA1 cd3c21b8f3985fcf7036505b6bb9a7c58ad1391a
SHA256 819b49f5a43eea359133c01f4fad9748b830a762b8227f4eeafa0ca6c1c19313
SHA512 871c1e15f78e59ea079180a57b279d4595516881131fc245d72d7a76f33296de9df31248214f4a0b311423f2ee32be3996a8b556bef8b40c3212e9dfea742ce4