octo | 53a12fcd5052f9c40fd99693072c50f675ebefa492a51b35b3339e0e8f8de6d8

General

Target

53a12fcd5052f9c40fd99693072c50f675ebefa492a51b35b3339e0e8f8de6d8.apk
Size

297KB
MD5

730a91d301cf178e801031c87983f434
SHA1

e5321fa75b69f9b18fef3256c949b92d6b4d2fce
SHA256

53a12fcd5052f9c40fd99693072c50f675ebefa492a51b35b3339e0e8f8de6d8
SHA512

e1248ef574d697ff69674d653307ffa691b48043ed1480f4d9c4bf65d823f68fef4b4d3cfd4ee10411b7adf2894c913fc32a0c51aa59717060102e655ae52a7f
SSDEEP

6144:3NY6Rg0Qa0NUrr/N92y6JH0rOag0SNpAthlaNlm1d/EuGm:3NDg0B0NQ/N92yI7+N+011nt

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

C2

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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

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

T1516

Screen Capture

T1513

Keylogging

T1417.001

GUI Input Capture

T1417.002

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

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.rslanoe.app

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

T1541

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

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

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.rslanoe.app
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.rslanoe.app
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.rslanoe.app
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.rslanoe.app

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

discovery

System Network Configuration Discovery

T1422

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

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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

persistence

Broadcast Receivers

T1624.001

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

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

impact

Data Encrypted for Impact

T1471

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

com.rslanoe.app
1⤵
- 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)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:5261