octo | 96515ec94f2bce57561174f2516246c16b73ddfc5f0aadf2aa576f65604df213

Analysis

max time kernel
28s
max time network
40s
platform
android-13_x64
resource
android-33-x64-arm64-20240910-en
resource tags

arch:arm64arch:x64arch:x86image:android-33-x64-arm64-20240910-enlocale:en-usos:android-13-x64system
submitted
23-11-2024 10:56

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General

Target

74aca9fcfbe1a787b6ffec5e35155d664f5679e6.apk
Size

2.4MB
MD5

f6055e5e71cbc725428770c9303c153a
SHA1

74aca9fcfbe1a787b6ffec5e35155d664f5679e6
SHA256

576f24b38e97218b1ba8e329800825f0e80d73bce3b9e2cf845562d37ef934ff
SHA512

df38660fe25f6a7b03ecb1bc212c63893c55a8bb56ba4e3c23418042a1599eec13686e454689de67d4874d69f459484e0b2cacd9f661958ae2feb737961e442f
SSDEEP

49152:25bKRK1PGjeL0SDGImRG6Ey6wFob+t7d69LfLXzpv7cm:iOD2GIkayfs+XaLjDum

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://agambeniseviyoryav.com/MWZjODg0YjhhMWVi/

https://c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://64b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://74b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://89c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b641390330721556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

rc4.plain

Extracted

Family

octo

https://agambeniseviyoryav.com/MWZjODg0YjhhMWVi/

https://c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://64b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://74b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://89c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b641390330721556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b64c9b41c17a229d921556d14a4ffd4.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

Processes:

resource	yara_rule
behavioral10/files/fstream-1.dat	family_octo

Loads dropped Dex/Jar 1 TTPs 1 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

Processes:

com.standnumeraluuz

ioc	pid	Process
/data/user/0/com.standnumeraluuz/cache/tvenwlgdonts	4506	com.standnumeraluuz

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

Processes:

com.standnumeraluuz

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

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

Processes:

com.standnumeraluuz

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

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

Processes:

com.standnumeraluuz

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

Performs UI accessibility actions on behalf of the user 1 TTPs 2 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

Processes:

com.standnumeraluuz

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

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

discovery

System Network Configuration Discovery

T1422

Processes:

com.standnumeraluuz

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

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

T1517

Processes:

com.standnumeraluuz

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

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

evasion

User Evasion

T1628.002

Processes:

com.standnumeraluuz

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

Requests modifying system settings. 1 IoCs

evasion

Processes:

com.standnumeraluuz

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

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

impact

Data Encrypted for Impact

T1471

Processes:

com.standnumeraluuz

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

com.standnumeraluuz
1⤵
- 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.
- Uses Crypto APIs (Might try to encrypt user data)
PID:4506

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Foreground Persistence

T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Hide Artifacts

T1628

User Evasion

T1628.002

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

Access Notifications

T1517

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Software Discovery

T1418

Security Software Discovery

T1418.001

System Network Configuration Discovery

T1422

Lateral Movement

Collection

Access Notifications

T1517

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Input Injection

T1516

Replay Monitor

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Downloads

/data/data/com.standnumeraluuz/cache/tvenwlgdonts

Filesize
2.3MB

MD5
4297c9431cb8398edfdbe917b301436f

SHA1
902dec2626ea3fbb484c0db7fe1cdc9753120040

SHA256
fd9730670b60181dccbe92e5bf435441b725219ed9fe97e57655a77c867e4c94

SHA512
ccc5518dd505405c8e3760ed7bef12f4b61640b03b2170751ab0569a26548f37bbd411c7bc25dcee88c011a23af471e780995465b10fa43748857b9612d62894

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