octo | 07ce67d7e9ed6fc28b824098b78c9cbb3dd1a5f22142c748753304cd11c7d857

General

Target

07ce67d7e9ed6fc28b824098b78c9cbb3dd1a5f22142c748753304cd11c7d857.apk
Size

297KB
MD5

e6ea16504620a886341e73bc26bccb5d
SHA1

aae54c919891b1b4664a88aec6fc2877fdd161f9
SHA256

07ce67d7e9ed6fc28b824098b78c9cbb3dd1a5f22142c748753304cd11c7d857
SHA512

cb9698c09ca17ebb0415006591f5f05328365c952a8c50646fc085d95953720db0e2ea7a28f4f5cbf111a4398ad0c468b8f0280a456f602a7051f31398abf43c
SSDEEP

6144:xe6Rg0CaENUyrfJ92y6JH0rOag0SNpAthlaNlm1t/EuGN:xtg0PEN/fJ92yI7+N+01FnG

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.fsayssba.track
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.fsayssba.track

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.fsayssba.track

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.fsayssba.track

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.fsayssba.track
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.fsayssba.track
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.fsayssba.track
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.fsayssba.track

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.fsayssba.track

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.fsayssba.track

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.fsayssba.track

com.fsayssba.track
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:5069