octo | 45abbb4cb83b51f908bb853ecd2377a4a9c3598b2f20bfdfc93a955cc8ad80fa

Analysis

max time kernel
149s
max time network
149s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
23-11-2024 02:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

45abbb4cb83b51f908bb853ecd2377a4a9c3598b2f20bfdfc93a955cc8ad80fa.apk
Size

2.4MB
MD5

e24159c21749fb072ac95b95b801ee98
SHA1

e5b7f7a5bf069640c8514998ef9052dfaa32cce8
SHA256

45abbb4cb83b51f908bb853ecd2377a4a9c3598b2f20bfdfc93a955cc8ad80fa
SHA512

c20ad5135dbf3bc52b147d44eb8111180938a2670ab931ce87a38e14f4353a9de4d5183f793c5a0193e0fd8142644531f6b05aab84cb920835b53735b8244575
SSDEEP

49152:i4pNHf+q/lsFsPtuY6F4fBgh/5yTXzqPpjDfdofX9yFzTCpEJlOyiSv:XFp+6tQ4fWgTC7dofXsVTCFyVv

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
behavioral2/files/fstream-1.dat	family_octo

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.wordhappen5/cache/tbuwtpvtixa	4940	com.wordhappen5
/data/user/0/com.wordhappen5/cache/tbuwtpvtixa	4940	com.wordhappen5

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.wordhappen5
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.wordhappen5

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.wordhappen5

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.wordhappen5

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.wordhappen5
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.wordhappen5
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.wordhappen5
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.wordhappen5

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.wordhappen5

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.wordhappen5

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.wordhappen5

com.wordhappen5
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)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4940

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

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

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

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.wordhappen5/cache/oat/tbuwtpvtixa.cur.prof

Filesize
505B

MD5
26dcee8b0dab08c1493e2dafcfee9750

SHA1
facd60b9318db569591621efaf3a60bab9e65d73

SHA256
21ddd8a456c0215407b016c564250ce9ee32307d42ebcddb144ddbb0bebaefe1

SHA512
d9d9a9438cdc7a922efddf0486a222ae190cd43185e62f05811680f76c2fb865bb0227c699b2caee3653d2fcf38c32f42319c2c824bc8a0117e099722a0e67eb

Download Submit
/data/data/com.wordhappen5/cache/tbuwtpvtixa

Filesize
2.3MB

MD5
ca04e8bdc0c35835fac9e8b1a882446e

SHA1
9c9bb95296cac41c0558d617d8c40ce7a64132f9

SHA256
5c1c54a15ea2718da3f0d7c2812514c864356212c696c2cb61b926feb26da7c8

SHA512
b46dbc251b55088d6e90ce6f8115571bdbe902724473eb5dad84f2a02020e40175e209647c4b8930e4f6e890128168f7dc5c6057d66caa91a6828f501da9fca7

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads