octo | 96515ec94f2bce57561174f2516246c16b73ddfc5f0aadf2aa576f65604df213

Analysis

max time kernel
29s
max time network
38s
platform
android_x64
resource
android-33-x64-arm64-20240624-en
resource tags

androidarch:arm64arch:x64image:android-33-x64-arm64-20240624-enlocale:en-usos:android-13-x64system
submitted
23-11-2024 10:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b0bb07c713ad70db85f0a6058fb0fa3bee58b0aa.apk
Size

2.4MB
MD5

384df99e9cbfb5acb8e848f6f9c10b4d
SHA1

b0bb07c713ad70db85f0a6058fb0fa3bee58b0aa
SHA256

578228a784b5e674f623affed7a812bc5bcd9ec2d22fea5d837465e29335713c
SHA512

689ba8bfcec133eb8dd6a811a68de3b1db09942688cb51267a0c1ac2561d99fb9d37831bb5bf1014da6940fb96ef9ea2492126757324b0222397273cf5d3a1a9
SSDEEP

49152:CilHeAWE7I+blT4vQbxfGPsgJfnNnPCcMVEVaiQrGJnxqu6X5Xg/y9MuX4L7:BZWE7XZTKQbxfGPsg/PVMV2IroXiXg/v

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

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://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

resource	yara_rule
behavioral21/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

ioc	pid	Process
/data/user/0/com.layopenzi/cache/wolulqrqtplx	4355	com.layopenzi

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

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.layopenzi

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.layopenzi

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.layopenzi
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.layopenzi

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.layopenzi

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.layopenzi

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.layopenzi

Requests modifying system settings. 1 IoCs

evasion

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

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.layopenzi

com.layopenzi
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:4355

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

Loading Replay Monitor...

Downloads

/data/data/com.layopenzi/cache/wolulqrqtplx

Filesize
2.3MB

MD5
d60c6b5debdb121056933605f76f1a84

SHA1
8e2b3d458d148cc5f8195f057a96fdebf5355944

SHA256
c81545c6544dafec3c83afb86cf81cc34cf8b96f5a189eb0b858a65a3bf17eba

SHA512
a825b9c5034b078bb08b7cf8725773c51b625d62fd8217f163acddeca693eaa70517496c9bb4fdf771be89685de6ae1bb1b32ea06cbedc749910fff11a1775e2

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads