octo | 9c157107ce5565ba58c6cb854cd6945863af9c1592da9b019213d1d9828ae930

Analysis

max time kernel
149s
max time network
155s
platform
android-10_x64
resource
android-x64-20240910-en
resource tags

arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
submitted
15/10/2024, 22:06

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General

Target
9c157107ce5565ba58c6cb854cd6945863af9c1592da9b019213d1d9828ae930.apk
Size 561KB
Sample241015-1z831stfml
SHA256 9c157107ce5565ba58c6cb854cd6945863af9c1592da9b019213d1d9828ae930
MD5 681224f1859ad1521a0605e6fb2bb4c3
SHA1 577a81386b7a7e545490521ffd8983a4383abce3
SHA512 263dbd5f66142fa6bde5e7d4253c8e600f8ec0dd4647c78a7c98f39806658444aaaf81b13e5f594edb2bc0406f993feee149bec1bc505256f6bae8a0fdafcfff
SSDEEP 12288:rPGhlpm/HYcrgMG63tQgQfp3aUoCgZuTWkPPi2HbLhZQhBf:rPGhlpm/H5rgQ3tQdfkogZaVPBH//a
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://guvenilirislemlershop.com.tr/ZGFiNTEyMzU5Njlj/
https://hizliveguvenilirshop.com.tr/ZGFiNTEyMzU5Njlj/
https://guvenilirshopislemler.com.tr/ZGFiNTEyMzU5Njlj/
https://guvenilirislemler.com.tr/ZGFiNTEyMzU5Njlj/
https://2guvenilirislemler.com.tr/ZGFiNTEyMzU5Njlj/
https://3guvenilirislemler.com.tr/ZGFiNTEyMzU5Njlj/
https://4guvenilirislemler.com.tr/ZGFiNTEyMzU5Njlj/
https://5guvenilirislemler.com.tr/ZGFiNTEyMzU5Njlj/

rc4.plain

Extracted

Family

octo

https://guvenilirislemlershop.com.tr/ZGFiNTEyMzU5Njlj/
https://hizliveguvenilirshop.com.tr/ZGFiNTEyMzU5Njlj/
https://guvenilirshopislemler.com.tr/ZGFiNTEyMzU5Njlj/
https://guvenilirislemler.com.tr/ZGFiNTEyMzU5Njlj/
https://2guvenilirislemler.com.tr/ZGFiNTEyMzU5Njlj/
https://3guvenilirislemler.com.tr/ZGFiNTEyMzU5Njlj/
https://4guvenilirislemler.com.tr/ZGFiNTEyMzU5Njlj/
https://5guvenilirislemler.com.tr/ZGFiNTEyMzU5Njlj/

AES_key

Signatures

Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
banker trojan infostealer rat octo

Octo payload 1 IoCs

resource	yara_rule
behavioral2/files/fstream-1.dat	family_octo

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.gotscience24/cache/yphoobby	5080	com.gotscience24
/data/user/0/com.gotscience24/cache/yphoobby	5080	com.gotscience24

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.findAccessibilityNodeInfosByViewId	com.gotscience24
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.gotscience24

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.gotscience24

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.gotscience24

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.gotscience24
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gotscience24
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gotscience24
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.gotscience24

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.gotscience24

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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.gotscience24

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.gotscience24

com.gotscience24
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)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:5080

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

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

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

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

yphoobby.cur.prof

Path /data/data/com.gotscience24/cache/oat/yphoobby.cur.prof
Size 454B
SHA256 6e9b77b4df29ea14a4bef3b8f8c14df45f054afaf762c200e0470ed841e4070d
MD5 4ac750e9669483a5f8d8a00ff2e5eb86
SHA1 27d56c56b56e1fcc43f9ea6c6550bb262fa559a7
SHA512 74d24aa35a9c76c5b9c9511eaed378bedf912b55c22e83bdca814bc88ebdeeeb60f8d3c7f5cfa29a10ed184e7b2f8bd94cda0907dc43a29de02e28a08b91f7d2
MD5 SHA1 SHA512

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yphoobby

Path /data/data/com.gotscience24/cache/yphoobby
Size 449KB
SHA256 0b3b7bdd484febf3848ec7997fb8a42994dc9b759c31aa808cd5d93cb48eb4a9
MD5 328a4eeacdff1f0fdbf3964f60e3d7ff
SHA1 17f6c45509b8045183bc6c5447b356b938c2850b
SHA512 ee55037f8bcea79eb52a09d49debf061d8e7b8eb1a78326c52c7853bad4cbe324f1e6f57db56ddc32b29556cffefcaa02a405a2c6d07d569deabacc417e2fead
SSDEEP 12288:96XNEQGCW9e4yaXwbi7UOs3N2p52+gvfU3ykhiC:+BGp52tfU3ykhiC
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads