Malware Analysis Report

2024-09-09 13:45

Sample ID 240523-1wnynsad7z
Target 0bbef6c50bd6499fefc831977d1af83dd2fb9a49d3d427df0f9a4036e2a9b91b.bin
SHA256 0bbef6c50bd6499fefc831977d1af83dd2fb9a49d3d427df0f9a4036e2a9b91b
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

0bbef6c50bd6499fefc831977d1af83dd2fb9a49d3d427df0f9a4036e2a9b91b

Threat Level: Known bad

The file 0bbef6c50bd6499fefc831977d1af83dd2fb9a49d3d427df0f9a4036e2a9b91b.bin was found to be: Known bad.

Malicious Activity Summary

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

Octo payload

Octo

Removes its main activity from the application launcher

Requests modifying system settings.

Prevents application removal

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)

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

Makes use of the framework's foreground persistence service

Queries the mobile country code (MCC)

Loads dropped Dex/Jar

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

Queries the phone number (MSISDN for GSM devices)

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

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-23 22:00

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: behavioral1

Detonation Overview

Submitted

2024-05-23 22:00

Reported

2024-05-23 22:03

Platform

android-x86-arm-20240514-en

Max time kernel

179s

Max time network

155s

Command Line

com.sentencewillxb

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.sentencewillxb/cache/eekmrfrzaz N/A N/A
N/A /data/user/0/com.sentencewillxb/cache/eekmrfrzaz 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.sentencewillxb

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 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 mayadasinyalcimisinaga.com udp
US 1.1.1.1:53 mayadadelimisinyav.com udp
US 1.1.1.1:53 mayadahacibaba.net udp
US 1.1.1.1:53 mayadahackerbaba.net udp
GB 142.250.200.3:443 tcp
US 1.1.1.1:53 mayadabeniseviyor.net udp
TR 45.88.91.37:443 mayadahackerbaba.net tcp
TR 45.88.91.37:443 mayadahackerbaba.net tcp
GB 142.250.180.14:443 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 semanticlocation-pa.googleapis.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
TR 45.88.91.37:443 mayadahackerbaba.net tcp
TR 45.88.91.37:443 mayadahackerbaba.net tcp

Files

/data/data/com.sentencewillxb/cache/eekmrfrzaz

MD5 a3d63cbdaf99219d63e0409e38c9ea1b
SHA1 2c39bd8d579f1fd59f2291542046c1f6a75cd3a3
SHA256 002809878f8dd593f3096d19305e42c4a4527565bf05272fb52994bcfccf62b4
SHA512 3fc0e2a5228c1c541c1ab15d6d039f216447e5873e8919a5e9a411f4398989a7a6884b5c82b994a58e1394c5c188b65ce784b65a51597724b69d54a6523aba91

/data/data/com.sentencewillxb/cache/oat/eekmrfrzaz.cur.prof

MD5 310e67092ec6f6820d36d9ad38fe0088
SHA1 3a2ab41e3af3b6c8212f0c487ec551f0af5cb01d
SHA256 9adcd2170388fbbd7a83c2357b91a0cf760c9445a473351e39562d01a8edf98a
SHA512 00584abf11a5d31acd9492c84f4c7239dc35ee8eccb897f9f5eb2b468cbb0326e430c01d19787cb243cf2e718aac150644a49fab64ff6a5e41c0729072b27c89

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-23 22:00

Reported

2024-05-23 22:03

Platform

android-33-x64-arm64-20240514-en

Max time kernel

175s

Max time network

144s

Command Line

com.sentencewillxb

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.findAccessibilityNodeInfosByViewId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId 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.sentencewillxb/cache/eekmrfrzaz 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.sentencewillxb

Network

Country Destination Domain Proto
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
GB 172.217.16.238:443 udp
GB 172.217.16.238:443 tcp
GB 172.217.16.238:443 tcp
GB 172.217.169.42:443 udp
GB 142.250.200.35:443 tcp
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 mayadabeniseviyor.net udp
US 1.1.1.1:53 mayadahackerbaba.net udp
TR 45.88.91.37:443 mayadahackerbaba.net tcp
US 1.1.1.1:53 mayadahacibaba.net udp
TR 45.88.91.37:443 mayadahackerbaba.net tcp
US 162.159.61.3:443 tcp
US 162.159.61.3:443 tcp
GB 142.250.200.3:443 tcp
US 162.159.61.3:443 udp
GB 142.250.200.3:443 udp
GB 216.58.201.100:443 udp
GB 142.250.180.4:443 udp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.178.14:443 android.apis.google.com udp
TR 45.88.91.37:443 mayadahackerbaba.net tcp
US 1.1.1.1:53 remoteprovisioning.googleapis.com udp
GB 172.217.16.234:443 remoteprovisioning.googleapis.com tcp
TR 45.88.91.37:443 mayadahackerbaba.net tcp

Files

/data/user/0/com.sentencewillxb/cache/eekmrfrzaz

MD5 a3d63cbdaf99219d63e0409e38c9ea1b
SHA1 2c39bd8d579f1fd59f2291542046c1f6a75cd3a3
SHA256 002809878f8dd593f3096d19305e42c4a4527565bf05272fb52994bcfccf62b4
SHA512 3fc0e2a5228c1c541c1ab15d6d039f216447e5873e8919a5e9a411f4398989a7a6884b5c82b994a58e1394c5c188b65ce784b65a51597724b69d54a6523aba91

/data/user/0/com.sentencewillxb/cache/oat/eekmrfrzaz.cur.prof

MD5 41c8fe334e49da256e2e4500005ad0d3
SHA1 66512b07cfb4c46a8979d6305eb086ab56238822
SHA256 017ae6c030884d80826fe21950d3cc3615a74168dadeefba8d0adff473d82d6c
SHA512 2efc7e39af9c7736d0b9ae523dd43f7ab088d4a69c43e78374265eb9158a5ba0a117176832bb483a20a39fc4900544ff1d9e847b30d47c6e9520bc923cce2f12