octo | da1a62ea4f0c083c7371b869091e7e095ec071d765a78387e9c2a6cfa6c6fe0c

Analysis

max time kernel
29s
max time network
36s
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
16-12-2024 04:04

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General

Target

base.apk
Size

509KB
MD5

07be46f53eb69d25aab65cb7530e7a60
SHA1

26c4f115ff38908d02a22d67016e5f9fcd520a2a
SHA256

a58ebc8a797b2debcfe998b6b3d298abd20cec9c41120ca34e0016fabbeda410
SHA512

728b21b714516b8e8c97553a7d9e31dce9804cdccf04d97b3771263fa6d7b69782fb950be41f1821ac2e925902968e513c21322fa85d45f67b009a80e0b275d2
SSDEEP

12288:T4rQh+ittRQhv13MH77GFMsGq25Mm+N7+uq+ans:T4rI+otRcvFMb7GqV5Mms6uBans

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://guvenilirislemler.com.tr/NWE0NTQ2MmUyNDcw/

https://guvenilirshopislemler.com.tr/NWE0NTQ2MmUyNDcw/

https://guvenilirislemlershop.com.tr/NWE0NTQ2MmUyNDcw/

https://guvenilirmarketingislemler.com.tr/NWE0NTQ2MmUyNDcw/

https://guvenilirislemlermarketing.com.tr/NWE0NTQ2MmUyNDcw/

https://shopguvenilirislemler.com.tr/NWE0NTQ2MmUyNDcw/

rc4.plain

Extracted

Family

octo

https://guvenilirislemler.com.tr/NWE0NTQ2MmUyNDcw/

https://guvenilirshopislemler.com.tr/NWE0NTQ2MmUyNDcw/

https://guvenilirislemlershop.com.tr/NWE0NTQ2MmUyNDcw/

https://guvenilirmarketingislemler.com.tr/NWE0NTQ2MmUyNDcw/

https://guvenilirislemlermarketing.com.tr/NWE0NTQ2MmUyNDcw/

https://shopguvenilirislemler.com.tr/NWE0NTQ2MmUyNDcw/

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
behavioral2/files/fstream-1.dat	family_octo

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

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4251	com.yourfacepej

Loads dropped Dex/Jar 1 TTPs 2 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.yourfacepej/cache/oflcsebhv	4251	com.yourfacepej
/data/user/0/com.yourfacepej/cache/oflcsebhv	4251	com.yourfacepej

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.yourfacepej
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.yourfacepej

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.yourfacepej

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.yourfacepej

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

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

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.yourfacepej

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

T1517

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

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

evasion

User Evasion

T1628.002

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

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.yourfacepej

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.yourfacepej

com.yourfacepej
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).
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4251

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

T1624

Broadcast Receivers

T1624.001

Foreground Persistence

T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Hide Artifacts

T1628

Suppress Application Icon

T1628.001

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

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Downloads

/data/data/com.yourfacepej/cache/oflcsebhv

Filesize
449KB

MD5
6ed155a05e4e62226df8678cb568d88a

SHA1
2bfa1e0b99c956d8fd2189dbaa634abc9d0388bd

SHA256
4c20aba82c387373af9d946cc4c4c087dae1d93539e1051c6119d7cc6e7b788d

SHA512
712f31d18aa0c64b9b7a794530cd523aa1f8c161c919a82228cebf58418e8440c7bdb0492e2198789414c5c3ce0978a7d7cbfbdbbad66e398d736a1044e62900

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads