octo | 3dbbd9d340986dcef6fae89650d39f9cee31f69664910c2d10adf57d0a66091c | Triage

Analysis

max time kernel
149s
max time network
151s
platform
android-10_x64
resource
android-x64-20240910-en
resource tags

arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
submitted
27-11-2024 22:00

Sharing

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General

Target

3dbbd9d340986dcef6fae89650d39f9cee31f69664910c2d10adf57d0a66091c.apk
Size

1.6MB
MD5

e48a30d0027fdd2b86134d7a4bbffc72
SHA1

98e07a6a09c0d5c7f5ff31c2002f51df14a77f99
SHA256

3dbbd9d340986dcef6fae89650d39f9cee31f69664910c2d10adf57d0a66091c
SHA512

28f29fa01369b86ba739d07ecdc669b9e774971e67f9edb2c0e9c48f63d6d82d0db39b551d98f8bf4599100642893aed31d023daa0607cad01aaa0701175a9ae
SSDEEP

49152:VpqZ48r8V6E4FI8S3UVtgp09fQ3MgSeMvAjks:+poMiKgGQcbews

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

C2

https://hizliveguvenilirshop.com/MWZjODg0YjhhMWVi/

https://94b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d92146d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d92156d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://994b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64c9b41c459d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64535326c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

rc4.plain

Extracted

Family

octo

C2

https://hizliveguvenilirshop.com/MWZjODg0YjhhMWVi/

https://94b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d92146d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d92156d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://994b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64c9b41c459d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64535326c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://74b6c9bebf541c17a229d921556d14a4ffd4.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.

Download New Code at Runtime

ioc	pid	Process
/data/user/0/com.seaplace0/cache/hnjtdvidmgiqc	5089	com.seaplace0
/data/user/0/com.seaplace0/cache/hnjtdvidmgiqc	5089	com.seaplace0

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

Screen Capture

Keylogging

GUI Input Capture

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.seaplace0
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.seaplace0

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.seaplace0

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

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.seaplace0

Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

Application may abuse the accessibility service to prevent their removal.

Prevent Application Removal

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.seaplace0
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.seaplace0
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.seaplace0
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.seaplace0

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

System Network Configuration Discovery

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.seaplace0

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

Broadcast Receivers

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	com.seaplace0

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

Data Encrypted for Impact

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.seaplace0

com.seaplace0
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:5089

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

Broadcast Receivers

Foreground Persistence

Privilege Escalation

Defense Evasion

Download New Code at Runtime

Foreground Persistence

Impair Defenses

Prevent Application Removal

Input Injection

Credential Access

Input Capture

GUI Input Capture

Keylogging

Discovery

Software Discovery

Security Software Discovery

System Network Configuration Discovery

Lateral Movement

Collection

Input Capture

GUI Input Capture

Keylogging

Screen Capture

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

Input Injection

Replay Monitor

Loading Replay Monitor...

Downloads

/data/data/com.seaplace0/cache/hnjtdvidmgiqc

Filesize
1.4MB

MD5
0a23c9f7cc4bbb189a71599b3382020e

SHA1
cbef236710b7929a0ee2cd5785c7d6af9aa578c0

SHA256
ba5e2ff2c55dd2dfcc1c1d076279612d6daefefdeecc4323f5020d1c17516ca7

SHA512
786d90b2802aae6658e2b3a1e37a3da44077aed5c78f1d853d2e8d1149dd48815b3706c198d0ed03fe37d185ae171200db0a918cdc5d16487fa9011aaeed47f0

Download Submit
/data/data/com.seaplace0/cache/oat/hnjtdvidmgiqc.cur.prof

Filesize
494B

MD5
f4f6c3da36dd3b586af60112dedb029b

SHA1
0b0bf196e7c2fcd10b32f13b64cf50841d31859b

SHA256
d6c1142cb6bb3b668ce1b8f84e58275378cd46c53c03aed39ece6cabde78f874

SHA512
e63384b9dcbe35b66d0f872d0d169b2f096f476d017ff4ff801a54264d39751c468c20d63b238c0f59ffffff279303265ba57ad35598807221deafdfbf186508

Download Submit