Malware Analysis Report

2024-10-19 12:58

Sample ID 240823-1xlvps1frl
Target 0ff93c30d5200c94790dd6ce74f87294345fdc95f18fa263f9338e1006bdd982.bin
SHA256 0ff93c30d5200c94790dd6ce74f87294345fdc95f18fa263f9338e1006bdd982
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

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 Overview

score
10/10

SHA256

0ff93c30d5200c94790dd6ce74f87294345fdc95f18fa263f9338e1006bdd982

Threat Level: Known bad

The file 0ff93c30d5200c94790dd6ce74f87294345fdc95f18fa263f9338e1006bdd982.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

Removes its main activity from the application launcher

Loads dropped Dex/Jar

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

Queries the phone number (MSISDN for GSM devices)

Makes use of the framework's Accessibility service

Requests modifying system settings.

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

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

Performs UI accessibility actions on behalf of the user

Queries the mobile country code (MCC)

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

Declares services with permission to bind to the system

Makes use of the framework's foreground persistence service

Reads information about phone network operator.

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

Acquires the wake lock

Uses Crypto APIs (Might try to encrypt user data)

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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-23 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
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 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
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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-23 22:01

Reported

2024-08-23 22:12

Platform

android-x86-arm-20240624-en

Max time kernel

45s

Max time network

177s

Command Line

com.dotalkgmgn

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

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

Removes its main activity from the application launcher

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.dotalkgmgn/cache/btfoiwqptvnrgst N/A N/A
N/A /data/user/0/com.dotalkgmgn/cache/btfoiwqptvnrgst 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.findAccessibilityNodeInfosByViewId 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

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

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction 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 unique device ID (IMEI, MEID, IMSI)

discovery

Reads information about phone network operator.

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 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

Requests modifying system settings.

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

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

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.dotalkgmgn

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.202:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 nabertglalfa.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com 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
US 1.1.1.1:53 parlementsigara651.com udp
US 1.1.1.1:53 selamcanm6142.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
US 1.1.1.1:53 belkemigi6525.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
US 1.1.1.1:53 kemikadam252.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
US 1.1.1.1:53 hasbelgar56142.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp

Files

/data/data/com.dotalkgmgn/cache/btfoiwqptvnrgst

MD5 f606772ca698ed76e9067ed5f10e6ae8
SHA1 19d7b678aa61f2a12bc61611eabb6861e26c2ea7
SHA256 8a7452cac6a59c9f8c90482bb6c89825793b173c76d9f83fd4b2be21111e22aa
SHA512 86876ca164b724bb20bff8ab69555a0c0a579e94e52bcb1106178450ba9fc72ddf97da3e1522616c935f5ddd3d83492832aa21a7a2b890b094e56bc3f52a1ace

/data/data/com.dotalkgmgn/cache/oat/btfoiwqptvnrgst.cur.prof

MD5 d446fbace7141cd2c1b8ec62ecf84bad
SHA1 330abdc531a7c8d2fe99b80b8dd2567ccdde28ae
SHA256 6b1195ec5783ae8f3261004ae15dd742b17879509cadc2b410615d7e8848b4ca
SHA512 86ab822ff2b05d12bef871079d5510e754ff80c58ce3e17012baba045820eb070bc4b0034508e2ab170d904a7bfb4fae57a4dd073484d12fe122e19f3c71111e

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-23 22:01

Reported

2024-08-23 22:12

Platform

android-33-x64-arm64-20240624-en

Max time kernel

176s

Max time network

189s

Command Line

com.dotalkgmgn

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.dotalkgmgn/cache/btfoiwqptvnrgst 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

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

banker discovery

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

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction 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

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 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

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS 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.dotalkgmgn

Network

Country Destination Domain Proto
GB 216.58.201.100:443 udp
GB 216.58.201.100:443 udp
GB 216.58.201.100:443 udp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 belkemigi6525.com udp
US 1.1.1.1:53 parlementsigara651.com udp
US 1.1.1.1:53 selamcanm6142.com udp
US 1.1.1.1:53 hasbelgar56142.com udp
US 1.1.1.1:53 nabertglalfa.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
US 1.1.1.1:53 rcs-acs-tmo-us.jibe.google.com udp
US 216.239.36.155:443 rcs-acs-tmo-us.jibe.google.com tcp
GB 216.58.201.100:443 tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
US 1.1.1.1:53 remoteprovisioning.googleapis.com udp
US 172.64.41.3:443 tcp
US 172.64.41.3:443 tcp
GB 216.58.212.227:443 tcp
GB 216.58.212.227:443 tcp
US 172.64.41.3:443 udp
GB 216.58.212.227:443 udp
RU 193.143.1.25:443 nabertglalfa.com tcp
US 1.1.1.1:53 kemikadam252.com udp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
US 1.1.1.1:53 www.google.com udp
GB 172.217.169.4:443 www.google.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
GB 172.217.169.4:443 www.google.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp
RU 193.143.1.25:443 nabertglalfa.com tcp

Files

/data/data/com.dotalkgmgn/cache/btfoiwqptvnrgst

MD5 f606772ca698ed76e9067ed5f10e6ae8
SHA1 19d7b678aa61f2a12bc61611eabb6861e26c2ea7
SHA256 8a7452cac6a59c9f8c90482bb6c89825793b173c76d9f83fd4b2be21111e22aa
SHA512 86876ca164b724bb20bff8ab69555a0c0a579e94e52bcb1106178450ba9fc72ddf97da3e1522616c935f5ddd3d83492832aa21a7a2b890b094e56bc3f52a1ace

/data/data/com.dotalkgmgn/cache/oat/btfoiwqptvnrgst.cur.prof

MD5 5b58196964b3ba6a955c81e31481fe88
SHA1 ba40d96bc168e10cc2fae626213ee29b4615587e
SHA256 b9899d4a37bad083764766b4aeacfd4742a648ab48efcf4cf67ce9a46acb8c9e
SHA512 ac30b7c1646d2c0f6160e6d8a8efc4be6a5d8e04d69c720cb439fe1175db2b66bea46f2d6af3de52d5972c140507c3050c36f3ee539d1ddb3f2cf44a76ae39ca