octo | f5658dcdbddc90636d757d31ec0b7a9b45ff9aad50b5ddca8ecf4700b9bb7ef9 | Triage

Analysis

max time kernel
143s
max time network
142s
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
03-12-2024 22:03

Sharing

Report Analysis Logs

General

Target

f5658dcdbddc90636d757d31ec0b7a9b45ff9aad50b5ddca8ecf4700b9bb7ef9.apk
Size

2.4MB
MD5

e777acf96f3067d2f08a1f93d2593726
SHA1

b921faac9512277a4f0e032931ea7419b114c3ec
SHA256

f5658dcdbddc90636d757d31ec0b7a9b45ff9aad50b5ddca8ecf4700b9bb7ef9
SHA512

5dc61d5a4b86753d2c248c030555c40256e436721d1c6e897bbdaaa0ac4d35f7397d4e6f0c84ee1c25627925bff0b8e93e189b53e428b6283225f25bdebf9798
SSDEEP

49152:tTgo9ktU1MIkpaqIVGxhet+4c2MNISjcfdEhZ6Qo9bpH80q9lJSeN:WG8dHMGNIS4fGQ9Nc99hN

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://84b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://04b6c9bebf541c17a229d921556d14a4ffd4.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
behavioral1/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.beganonlyo/cache/zwozlwvrdrf	4252	com.beganonlyo
/data/user/0/com.beganonlyo/cache/zwozlwvrdrf	4252	com.beganonlyo

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

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.beganonlyo

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.beganonlyo

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.beganonlyo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.beganonlyo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.beganonlyo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.beganonlyo

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.beganonlyo

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

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

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

User Evasion

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

Requests modifying system settings. 1 IoCs

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

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.beganonlyo

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.beganonlyo

com.beganonlyo
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.
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4252

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

Hide Artifacts

User Evasion

Impair Defenses

Prevent Application Removal

Input Injection

Credential Access

Access Notifications

Input Capture

GUI Input Capture

Keylogging

Discovery

Software Discovery

Security Software Discovery

System Network Configuration Discovery

Lateral Movement

Collection

Access Notifications

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.beganonlyo/cache/oat/zwozlwvrdrf.cur.prof

Filesize
537B

MD5
7825a9f2fd6131eb690536c3b9330d3f

SHA1
d46dce19937cd23b650a5b44970272ae65e6cdd0

SHA256
d56191c129761b2e421c65b1f8f77e3d866e75a96e838a38676c4cb0c8bf5c12

SHA512
e5bd5e1d819255157aa7e809806c6071f255452a7580099be4d34c1dfc1dc1ed7b7b7b700b2dcb977248fa9b475afa5457dd4d660578d8a7a7c567cbcef3ddc9

Download Submit
/data/data/com.beganonlyo/cache/zwozlwvrdrf

Filesize
2.3MB

MD5
6e1261c9d14e446a4d4ea40439c76ea3

SHA1
eb03808241fe4d69e9d9fa03831873ab9cc22b4b

SHA256
e294675779f4d5975f08c02f7aa437e0e83b4fb5b54a38130fa80f0ec4963408

SHA512
8780466721a00dadb7c7cc161d6fd87946c7d0b6b29261ccdc0691d296034cf70a8fdb1f5aacd101630b460dbb15bc57df25e09abe91e3df822464b3a615af49

Download Submit