octo | 0686f6a56c74cccfc7e624ec822eee422096be8b89c3442f4adca5225ee40bff | Triage

Analysis

max time kernel
144s
max time network
151s
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
11-11-2024 22:04

Sharing

Report Analysis Logs

General

Target

0686f6a56c74cccfc7e624ec822eee422096be8b89c3442f4adca5225ee40bff.apk
Size

2.4MB
MD5

f9d14ea823308cb32e0fef06cb905668
SHA1

a32cf7122850888057657d309edd69b99266ac26
SHA256

0686f6a56c74cccfc7e624ec822eee422096be8b89c3442f4adca5225ee40bff
SHA512

b7de41b62502eb78ea9f1d4c60cf04a7a57912ac89ca6884bac06ab5225781a223ca5698c8a5cfb4e5e2f915db1c0a9e1911cb59f8a0619472369ce5f0c5f86d
SSDEEP

49152:lN0LBqj8tuaBl1bWHm8RM6cfu5bi6nhW5wQz1/IeCgQvu4hydjSywAf7dlz:kYj8dRbW5mu526o+UNQv5gEAfr

Score

10^/10

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

Malware Config

Extracted

Family

octo

C2

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

rc4.plain

Extracted

Family

octo

C2

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

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

pid	Process
4220	com.causedoes4

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.causedoes4/cache/qitmvuw	4220	com.causedoes4
/data/user/0/com.causedoes4/cache/qitmvuw	4220	com.causedoes4

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.causedoes4
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.causedoes4

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.causedoes4

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.causedoes4

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.causedoes4
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.causedoes4
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.causedoes4
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.causedoes4

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.causedoes4

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.causedoes4

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.causedoes4

Requests modifying system settings. 1 IoCs

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.causedoes4

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.causedoes4

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.causedoes4

com.causedoes4
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:4220

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

Suppress Application Icon

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.causedoes4/cache/oat/qitmvuw.cur.prof

Filesize
548B

MD5
78e96a0c7fe6a358844c271ea9908bc8

SHA1
473d9121be87d5ac4b8cc68083489ebb07f2309d

SHA256
922b2202f733e645a09e2c494ba98556194a1b9fd2eb7ec7527e070ce19a9628

SHA512
6d2d6101e99d5b747d8755d8c6297a45e11a191e26dd51e981010554b7a3d2fdd58b8ad8b249285611132a05dcf78aa9cd6bb059f3a2616a983f9c06c11ec695

Download Submit
/data/data/com.causedoes4/cache/qitmvuw

Filesize
2.3MB

MD5
b044e92520a85c1b35a880437a1a6ec2

SHA1
2aeeb2ce6ebf06dc0bd4d0c818e08ab08374ca48

SHA256
50df8780384f9511ff49c43903208d96159ae90217508308af4871c95ec0fadb

SHA512
c4701e686d465eecf1a98b23db9f59e5fa8fc51114f6c1fc93a53aeefafbb629ea08ad1dc7c7b2abf5771e20d450e7f7b14ba52429467dfa707a8f21f930638c

Download Submit