octo | 829bae1856b03eab39dc175ac48acdc8e0206275cd0e94e620624fd7da7a2665

Analysis

max time kernel
148s
max time network
154s
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
15-12-2024 22:07

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General

Target

829bae1856b03eab39dc175ac48acdc8e0206275cd0e94e620624fd7da7a2665.apk
Size

545KB
MD5

0b0d8e65d06ccdac8527541e557ce867
SHA1

d4441bdfc7f447ce04d67aa63c3974ecbe6b7607
SHA256

829bae1856b03eab39dc175ac48acdc8e0206275cd0e94e620624fd7da7a2665
SHA512

b490cd59cfa999a66cb1be6a29c324882c3990cf71e01d5970e8718292e0afbd79022bef88bdc2956cf8c5f2254d9d18248bd2788a132ff6e6af014bc389d98e
SSDEEP

12288:jpqzW0H5JsZDrg/RsyKlcr+lwDlWo2tyraBuEILMzEkHoOn:j8zXZgDgxKVlIl84r4pzFfn

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://vhrfe87jejdw7e.store/YWFiM2VkMmFmNWFh/

https://koleitgehndhe782hr.online/YWFiM2VkMmFmNWFh/

https://agenoikleiocbgr54.life/YWFiM2VkMmFmNWFh/

https://juiruhf5be6743yhyjdj.xyz/YWFiM2VkMmFmNWFh/

https://lfoi45frhre4frjhyfrh.online/YWFiM2VkMmFmNWFh/

rc4.plain

Extracted

Family

octo

https://vhrfe87jejdw7e.store/YWFiM2VkMmFmNWFh/

https://koleitgehndhe782hr.online/YWFiM2VkMmFmNWFh/

https://agenoikleiocbgr54.life/YWFiM2VkMmFmNWFh/

https://juiruhf5be6743yhyjdj.xyz/YWFiM2VkMmFmNWFh/

https://lfoi45frhre4frjhyfrh.online/YWFiM2VkMmFmNWFh/

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

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

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4312	com.whilebedg

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.whilebedg/cache/aaraquclvjvr	4312	com.whilebedg
/data/user/0/com.whilebedg/cache/aaraquclvjvr	4312	com.whilebedg

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

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.whilebedg

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.whilebedg

Performs UI accessibility actions on behalf of the user 1 TTPs 2 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

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

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.whilebedg

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.whilebedg

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.whilebedg

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.whilebedg

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.whilebedg

com.whilebedg
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).
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4312

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

Replay Monitor

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Downloads

/data/data/com.whilebedg/cache/aaraquclvjvr

Filesize
449KB

MD5
f1c9c5e2a8b85f795c6c459227df9d04

SHA1
b7fcc1566d824ab60f16581234754928f1de4af2

SHA256
6b161842351f03b4fe939fb8862c8e4d6fb4d233745baf063bafbd4c3d998ace

SHA512
a8ee2c858463eaa7759b89c9e7bd52353ae5de360b0eb160cac5b3fcfca5288391fae3ab5bdf5615aa3f333bcb5850ad48349b0342c685b9717d8335070368b1

Download Submit
/data/data/com.whilebedg/cache/oat/aaraquclvjvr.cur.prof

Filesize
528B

MD5
0237df7eaf15a49960e56665522d7563

SHA1
227ef81acea39ca911aa5a7636e3b86383c16c15

SHA256
98684dae1ba6c0fa7fc38edd48fea6da212b99f41641f334800cb47e352d4a53

SHA512
4fc4b7bd77eb4429b0df2044a0f02d8430c91092663eeb0a0d31247cb5a80f7afa910f0461212f070bd7db715215aea131bb950d776c8141375e9ce3dd774d78

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads