octo | c2e56c8d203f6d3634dcfbff324b66c9515a5b681699be7f0d3c0be38cd5b4c4

Analysis

max time kernel
149s
max time network
151s
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
07-01-2025 22:02

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General

Target

c2e56c8d203f6d3634dcfbff324b66c9515a5b681699be7f0d3c0be38cd5b4c4.apk
Size

2.3MB
MD5

ede66292d34f76b0ff037133f5827072
SHA1

aa9e3d2decfed9a92e65a8de8f4ae9ad77df487b
SHA256

c2e56c8d203f6d3634dcfbff324b66c9515a5b681699be7f0d3c0be38cd5b4c4
SHA512

e9d7795334c6ac251cdd93401fcb03be17cc3ae822ebfb9e1fc90b865ce4cef3396a0941aa4278058cabfb99e219c3ad318f617a957d8735323df930075bbf51
SSDEEP

49152:hrgodxvdKqWZvBeAd1BhILsNuMo08CIVa8cyb6h/Be81dO3HMeIcsk:hrgodxvMqWZvBewb38CIVa8cy+pQoYsQ

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://karakalpakdostlugutasarimi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodavesanat.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakkulturunsirlari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakgeleneklerikosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdesentasarimlari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdokumasanati.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodasıvehayat.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakyanihikayeler.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakginensanatdiyari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdesenvesanatkosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpaklagelenektasima.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakustalarinakil.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodagercegi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakvesanateserleri.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdaguzelrenkler.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakseverlerinkosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakileribakiyor.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdernegitutkusu.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakvesanattasarimi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakyarenlerisever.xyz/NWNlNzMzN2Y4NmI2/

rc4.plain

Extracted

Family

octo

https://karakalpakdostlugutasarimi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodavesanat.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakkulturunsirlari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakgeleneklerikosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdesentasarimlari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdokumasanati.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodasıvehayat.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakyanihikayeler.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakginensanatdiyari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdesenvesanatkosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpaklagelenektasima.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakustalarinakil.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodagercegi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakvesanateserleri.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdaguzelrenkler.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakseverlerinkosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakileribakiyor.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdernegitutkusu.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakvesanattasarimi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakyarenlerisever.xyz/NWNlNzMzN2Y4NmI2/

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/4327-0.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
4327	com.okay.assume

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.okay.assume/app_harbor/nEDXCH.json	4327	com.okay.assume

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.okay.assume
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.okay.assume

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.okay.assume

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.okay.assume

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.okay.assume
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.okay.assume
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.okay.assume
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.okay.assume

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.okay.assume

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.okay.assume

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.okay.assume

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.okay.assume

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.okay.assume

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.okay.assume

com.okay.assume
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:4327

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.okay.assume/app_harbor/nEDXCH.json

Filesize
153KB

MD5
ef07ef5d0d0bc9f155ed82f5e6a72f12

SHA1
9fa2f65fe3b21535b835f726d013d32f1009b173

SHA256
0d0bf669613655206628d3cadd9d3c9c3e823e8278374370548adae4b21cffea

SHA512
5dad764c2e11ba51b9fb7c9acfb58ac594551c5ed3eb29e4dd83f3a4dda0aa03c7518fd3846c998fa1e4abaa776d80d5f5b993a47b55b85f613dd5b27e97ef2d

Download Submit
/data/data/com.okay.assume/app_harbor/nEDXCH.json

Filesize
153KB

MD5
6eb2b136d274c0c09c0e87a9d439714b

SHA1
f62aada27cf716db2539a331eec17143557f52f5

SHA256
89bdca2f7515a604f73396f4cdd7a4dd7e67426ffac78c47ed68e7d71035fb65

SHA512
e90f885742450c85c63eebc6c2bdd7a445a4b9a166abe94fdd0ff0e70fea7e03c94bb319fc3ce1bb69f8daf720593e08302c536861f77ad12e1136c2e4b37e83

Download Submit
/data/user/0/com.okay.assume/app_harbor/nEDXCH.json

Filesize
450KB

MD5
06cd55aa7927c811b640c8d5f01e89db

SHA1
7464af8e757ee4e00ff783ed6b291503a0d850f6

SHA256
c0c55c2459f52686314186c17499e68344f576687cdaec0930846b0edd93b6a0

SHA512
f77e5334aef0a1b4c9bf529fa0d762eee619543e665f4eb812ec4bd07f0eaeee361545edcd06d327243f237acbc6fdecfebfecd8dc82d59175c09e40ca9ff67d

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads