octo | 893c7acf0845068751e0b00083e07a21d92c41e43222ce3fb66d4be3781d2f9c

Analysis

max time kernel
149s
max time network
156s
platform
android-9_x86
resource
android-x86-arm-20240910-en
resource tags

arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
submitted
16/01/2025, 22:04

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General

Target

893c7acf0845068751e0b00083e07a21d92c41e43222ce3fb66d4be3781d2f9c.apk
Size

1.2MB
MD5

a419d41c065e6842563a5c85d626edba
SHA1

886357c63ce6f7981e3a37d825221436fb94de10
SHA256

893c7acf0845068751e0b00083e07a21d92c41e43222ce3fb66d4be3781d2f9c
SHA512

70b5871bb3d8f4e839e5e7aa26b78b46652f30a0ec1539f20b02f3e9d2b09441259e92082f251085aab22d4eda0e12ebab86b8147bca454af3e045c4f827ddfa
SSDEEP

24576:eA9lRTz79blXKYDYlxjC0qQ3kK3PZsW5NguTI:ey1LKMOikkKwuTI

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://ruceayipma.xyz/YjVmNGU0NmNhODlm/

https://yapayzekaisyanlari.xyz/YjVmNGU0NmNhODlm/

https://makineordulariyukseliyor.xyz/YjVmNGU0NmNhODlm/

https://teknolojinisyanhikayesi.xyz/YjVmNGU0NmNhODlm/

https://robotkorsanlargeliyor.xyz/YjVmNGU0NmNhODlm/

https://dunyayirobotlarkapliyor.xyz/YjVmNGU0NmNhODlm/

https://mekanikordularinintikam.xyz/YjVmNGU0NmNhODlm/

https://otomasyonkalesindemucadele.xyz/YjVmNGU0NmNhODlm/

https://robotlarvemakineisyanlari.xyz/YjVmNGU0NmNhODlm/

https://teknolojikseferberlik.xyz/YjVmNGU0NmNhODlm/

https://yapayordularinhikayesi.xyz/YjVmNGU0NmNhODlm/

https://makinevekodisyancilari.xyz/YjVmNGU0NmNhODlm/

https://mekanikorduyolculugu.xyz/YjVmNGU0NmNhODlm/

https://robotikturunculer.xyz/YjVmNGU0NmNhODlm/

https://mekanikisyanveteknoloji.xyz/YjVmNGU0NmNhODlm/

https://makineuyanikaynaklari.xyz/YjVmNGU0NmNhODlm/

https://mekanikseferisyani.xyz/YjVmNGU0NmNhODlm/

https://yapayzekauyanislari.xyz/YjVmNGU0NmNhODlm/

https://robotinsanvedunyavasfi.xyz/YjVmNGU0NmNhODlm/

https://dunyayisaranmekanik.xyz/YjVmNGU0NmNhODlm/

rc4.plain

Extracted

Family

octo

https://ruceayipma.xyz/YjVmNGU0NmNhODlm/

https://yapayzekaisyanlari.xyz/YjVmNGU0NmNhODlm/

https://makineordulariyukseliyor.xyz/YjVmNGU0NmNhODlm/

https://teknolojinisyanhikayesi.xyz/YjVmNGU0NmNhODlm/

https://robotkorsanlargeliyor.xyz/YjVmNGU0NmNhODlm/

https://dunyayirobotlarkapliyor.xyz/YjVmNGU0NmNhODlm/

https://mekanikordularinintikam.xyz/YjVmNGU0NmNhODlm/

https://otomasyonkalesindemucadele.xyz/YjVmNGU0NmNhODlm/

https://robotlarvemakineisyanlari.xyz/YjVmNGU0NmNhODlm/

https://teknolojikseferberlik.xyz/YjVmNGU0NmNhODlm/

https://yapayordularinhikayesi.xyz/YjVmNGU0NmNhODlm/

https://makinevekodisyancilari.xyz/YjVmNGU0NmNhODlm/

https://mekanikorduyolculugu.xyz/YjVmNGU0NmNhODlm/

https://robotikturunculer.xyz/YjVmNGU0NmNhODlm/

https://mekanikisyanveteknoloji.xyz/YjVmNGU0NmNhODlm/

https://makineuyanikaynaklari.xyz/YjVmNGU0NmNhODlm/

https://mekanikseferisyani.xyz/YjVmNGU0NmNhODlm/

https://yapayzekauyanislari.xyz/YjVmNGU0NmNhODlm/

https://robotinsanvedunyavasfi.xyz/YjVmNGU0NmNhODlm/

https://dunyayisaranmekanik.xyz/YjVmNGU0NmNhODlm/

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/memory/4213-0.dex	family_octo

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

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4213	com.message.school

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.message.school/app_arm/fpjx.json	4213	com.message.school

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.message.school
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.message.school

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.message.school

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.message.school

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.message.school
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.message.school
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.message.school
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.message.school

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.message.school

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.message.school

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.message.school

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.message.school

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.message.school

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.message.school

com.message.school
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).
- 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:4213

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.message.school/app_arm/fpjx.json

Filesize
153KB

MD5
3b876d9e5e8d52d4432fd26ad3f87c57

SHA1
e41bcac8be3260723a4ceeb99c04c54e512a45b8

SHA256
341acb4f279da9b42fe6083b683ce566f65711e744838627ab74df33c2e262fd

SHA512
ef8d448ec197c1371dc2cc07dca4229fab548e5f3ea6475964d9e977fcdfda40a8da6e7cf5e445cb6326a6db8dc958125f1055ebc8e430d48afea7e2a7ef21e3

Download Submit
/data/data/com.message.school/app_arm/fpjx.json

Filesize
153KB

MD5
9a95bf6c2d7fa79daf1eb15641a02fc7

SHA1
39b685682fa987a295e2ef6c0e64c8b86f4613f1

SHA256
ed94f48618a561dc736029767c7c51efd1e602957cfbfaa13e1718137a563675

SHA512
bdf3b1e0f1d0aa80c2c9140c96b2aa9c99073bc9f2ad2db0b93f752d88882e265820ebe99b1b0dcb2a5fa86c2858a7ecbcd2d2e3fd88b4101dd7288f52e3c64f

Download Submit
/data/user/0/com.message.school/app_arm/fpjx.json

Filesize
450KB

MD5
63ac72136d466a3545ccd894a887af35

SHA1
47bd30afb0209132f31e3b8845b0ed7ab6b9e21a

SHA256
7852eefb16451e51012e02756540fcb3251e6caff1e022d6d01365e17f212359

SHA512
b7faac07753881ce74ee23ceebe2d6aa2c1b3f07ddbdd81ab35daa805c3d2ddf9d9ff4234acda4247b412c3a6a61eec737770519380a6ef858d61d148761461f

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads