Malware Analysis Report

2024-11-13 17:37

Sample ID 241109-25lqcaxjgp
Target 39f9909c5fea2161be1701cba709b6a65b2080f43262195d8ac745b8852c9ff8.bin
SHA256 39f9909c5fea2161be1701cba709b6a65b2080f43262195d8ac745b8852c9ff8
Tags
octo banker evasion infostealer rat trojan collection credential_access discovery impact
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

39f9909c5fea2161be1701cba709b6a65b2080f43262195d8ac745b8852c9ff8

Threat Level: Known bad

The file 39f9909c5fea2161be1701cba709b6a65b2080f43262195d8ac745b8852c9ff8.bin was found to be: Known bad.

Malicious Activity Summary

octo banker evasion infostealer rat trojan collection credential_access discovery impact

Octo payload

Octo family

Octo

Makes use of the framework's Accessibility service

Queries the phone number (MSISDN for GSM devices)

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)

Performs UI accessibility actions on behalf of the user

Requests modifying system settings.

Declares services with permission to bind to the system

Acquires the wake lock

Queries the mobile country code (MCC)

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

Declares broadcast receivers with permission to handle system events

Reads information about phone network operator.

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

Requests dangerous framework permissions

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 23:09

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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS 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 applications to use exact alarm APIs. android.permission.SCHEDULE_EXACT_ALARM 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

2024-11-09 23:09

Reported

2024-11-09 23:12

Platform

android-x86-arm-20240624-en

Max time kernel

12s

Max time network

128s

Command Line

com.himhereszy

Signatures

Octo

banker trojan infostealer rat octo

Octo family

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.himhereszy/cache/tsyuobmdh N/A N/A
N/A /data/user/0/com.himhereszy/cache/tsyuobmdh N/A N/A

Processes

com.himhereszy

Network

Country Destination Domain Proto
GB 142.250.180.10:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 216.58.201.110:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.169.46:443 android.apis.google.com tcp

Files

/data/data/com.himhereszy/cache/tsyuobmdh

MD5 3d323acaada1f43fdf981d5b59568cec
SHA1 7bef31abfda572459f9dc629705f34ba75ec3e6c
SHA256 6fef99ecd588afb46d46057e996cfaa8bac7fb3bbc72b1f9e3343336a3deb7b6
SHA512 823bbb5bd2d4b690555b83d534b0868c829bf94e64821013968eb7b1d0f7628669fdd4a9d9c9270789f9b86bd69142f8305d2eaf17e6a60da9d196f1c6cb4969

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 23:09

Reported

2024-11-09 23:12

Platform

android-x64-arm64-20240624-en

Max time kernel

146s

Max time network

154s

Command Line

com.himhereszy

Signatures

Octo

banker trojan infostealer rat octo

Octo family

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.himhereszy/cache/tsyuobmdh N/A N/A
N/A /data/user/0/com.himhereszy/cache/tsyuobmdh 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

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.himhereszy

Network

Country Destination Domain Proto
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.206:443 android.apis.google.com tcp
GB 216.58.213.10:443 tcp
GB 216.58.213.10:443 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.232:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 5bb1332453233981d0595033c23.com udp
US 1.1.1.1:53 4bb13903074567453981d0595033c23.com udp
MD 213.159.75.106:443 5bb1332453233981d0595033c23.com tcp
MD 213.159.75.106:443 5bb1332453233981d0595033c23.com tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
MD 213.159.75.106:443 5bb1332453233981d0595033c23.com tcp
MD 213.159.75.106:443 5bb1332453233981d0595033c23.com tcp

Files

/data/data/com.himhereszy/cache/tsyuobmdh

MD5 3d323acaada1f43fdf981d5b59568cec
SHA1 7bef31abfda572459f9dc629705f34ba75ec3e6c
SHA256 6fef99ecd588afb46d46057e996cfaa8bac7fb3bbc72b1f9e3343336a3deb7b6
SHA512 823bbb5bd2d4b690555b83d534b0868c829bf94e64821013968eb7b1d0f7628669fdd4a9d9c9270789f9b86bd69142f8305d2eaf17e6a60da9d196f1c6cb4969

/data/data/com.himhereszy/cache/oat/tsyuobmdh.cur.prof

MD5 a2831ee3297f39e7b3ad2ba26fee41a3
SHA1 cdc836ae67f57413da44a47b518cb1c45604a70b
SHA256 c28f59e133a0bde4acf30574903db6e96e9e09a6db6b70f1c0aa261ffc65da46
SHA512 827e54dccc1c014a8dbfbc775261780f1019a8e4c99138e88f7aaee8d63b933f73d37b829e862805874cb0a547eed30feff01cfd49aeb17407b89d0c9c54cb8b