octo | 568f9de7b899862fc62d5ea9e54bb047ff0504bbc59bde033fc0722f183b59cd | Triage

Analysis

max time kernel
45s
max time network
141s
platform
android_x86
resource
android-x86-arm-20240624-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
submitted
27-11-2024 22:00

Sharing

Report Analysis Logs

General

Target

568f9de7b899862fc62d5ea9e54bb047ff0504bbc59bde033fc0722f183b59cd.apk
Size

1.6MB
MD5

332f2cc3294fa4bd0a549ffac5062aaa
SHA1

46176a7179904d1b009d10528cf313f53788600b
SHA256

568f9de7b899862fc62d5ea9e54bb047ff0504bbc59bde033fc0722f183b59cd
SHA512

e73f47df18565890de123d539df680e59a21ae9528ee75b0c63f70b6a65072d262b9a02165cd499c15345b9a21a5102d559865ad347676db272a8c536547d65a
SSDEEP

24576:eakAUbC02dP3ZhhBKB8BHYn4qdzmhMVJn4yfnXqXsyZsSgpraCYGPjGZxgFpV3xM:eakzbChhhsBmE4CSMDLfD/SgpW/w0Aq

Score

10^/10

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

Malware Config

Extracted

Family

octo

C2

https://hizliveguvenilirshop.com/MWZjODg0YjhhMWVi/

https://94b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d92146d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d92156d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://994b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64c9b41c459d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64535326c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

rc4.plain

Extracted

Family

octo

C2

https://hizliveguvenilirshop.com/MWZjODg0YjhhMWVi/

https://94b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d92146d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d92156d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://994b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64c9b41c459d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64535326c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://74b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

AES_key

Signatures

Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
banker trojan infostealer rat octo
Octo family
octo

Octo payload 1 IoCs

resource	yara_rule
behavioral1/files/fstream-1.dat	family_octo

Removes its main activity from the application launcher 1 TTPs 1 IoCs

stealth trojan evasion

Suppress Application Icon

pid	Process
4250	com.seabedwz

Loads dropped Dex/Jar 1 TTPs 2 IoCs

Runs executable file dropped to the device during analysis.

Download New Code at Runtime

ioc	pid	Process
/data/user/0/com.seabedwz/cache/bwewuosrqzf	4250	com.seabedwz
/data/user/0/com.seabedwz/cache/bwewuosrqzf	4250	com.seabedwz

Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion credential_access

Input Injection

Screen Capture

Keylogging

GUI Input Capture

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.seabedwz
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.seabedwz

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
banker discovery

Security Software Discovery
T1418.001
Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.seabedwz

Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

Application may abuse the framework's foreground service to continue running in the foreground.

evasion persistence

Foreground Persistence

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.seabedwz

Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

Application may abuse the accessibility service to prevent their removal.

Prevent Application Removal

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.seabedwz
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.seabedwz
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.seabedwz
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.seabedwz

Queries the mobile country code (MCC) 1 TTPs 1 IoCs

System Network Configuration Discovery

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.seabedwz

Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
discovery

System Network Configuration Discovery
T1422
Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs

collection credential_access

Access Notifications

description	ioc	Process
Intent action	android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS	com.seabedwz

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs

User Evasion

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.seabedwz

Requests modifying system settings. 1 IoCs

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.seabedwz

Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs

Broadcast Receivers

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	com.seabedwz

Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Data Encrypted for Impact

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.seabedwz

com.seabedwz
1⤵
- Removes its main activity from the application launcher
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries the mobile country code (MCC)
- Requests accessing notifications (often used to intercept notifications before users become aware).
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Requests modifying system settings.
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4250

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

Broadcast Receivers

Foreground Persistence

Privilege Escalation

Defense Evasion

Download New Code at Runtime

Foreground Persistence

Hide Artifacts

Suppress Application Icon

User Evasion

Impair Defenses

Prevent Application Removal

Input Injection

Credential Access

Access Notifications

Input Capture

GUI Input Capture

Keylogging

Discovery

Software Discovery

Security Software Discovery

System Network Configuration Discovery

Lateral Movement

Collection

Access Notifications

Input Capture

GUI Input Capture

Keylogging

Screen Capture

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

Input Injection

Replay Monitor

Loading Replay Monitor...

Downloads

/data/data/com.seabedwz/cache/bwewuosrqzf

Filesize
1.4MB

MD5
3616dcae30a4a5a6559601953534f018

SHA1
74c93314876493fdefe1ee131f274e4b4dab4fd3

SHA256
fc1e70f96501893dad415622aca19e0080930a9976d346ab913f5a2c8518ed8b

SHA512
bda9195e117a2ae2a650120230c7f4d2922c5270a59f5d6db2e4f5675ad6bba94e4f05bd9bbbafed534844e6d3e7aa8f93d2f661474a7e89d91beb56fe66324c

Download Submit
/data/data/com.seabedwz/cache/oat/bwewuosrqzf.cur.prof

Filesize
517B

MD5
6b9412e945d8575af8872bf8efcd513b

SHA1
9e8fb7ac0610733072e2ac12056d3a9a67c6fda9

SHA256
86b7eea49746355eb8c9751de71433651dd44899a39c2048e81ed2d3499b086c

SHA512
f57c0124160d440b686b398883a58b8386fe3449d7681399accb1f684da82db1a773eb4b2aff689107af5556b74a8b16dd1369dfefa1231436803f96ffd37a3d

Download Submit