octo | 96515ec94f2bce57561174f2516246c16b73ddfc5f0aadf2aa576f65604df213

Analysis

max time kernel
28s
max time network
34s
platform
android-13_x64
resource
android-33-x64-arm64-20240910-en
resource tags

arch:arm64arch:x64arch:x86image:android-33-x64-arm64-20240910-enlocale:en-usos:android-13-x64system
submitted
23-11-2024 10:56

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General

Target

8734504205b5cdf1ea4c0e2d62a0dcf8500dc73f.apk
Size

1.8MB
MD5

f8f55308787894637f25d60b36f9cd85
SHA1

8734504205b5cdf1ea4c0e2d62a0dcf8500dc73f
SHA256

a740e47017159d8907da0d9752479ee28e7246104e6332a6f654ccaf846366d9
SHA512

051d35251a63e0d11b84f45da8fb41e2a7f6c28564ff8b1401d4615bc6976d8694db6ebdcae7c665eb2dd4ad6acc2b6cdb7fe6073d5cde62e883cb3401a0e7a8
SSDEEP

49152:7Nq2/4HF0X8HT5P4wOamxUGpeatOlvGkJ6g6ZX7Xq:BqHF0X81PPOnOGptkM0

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://jungjungju.com/M2EyOTM2M2FlY2My/

https://junggvbvqqqqqq.com/M2EyOTM2M2FlY2My/

https://lajunggvbvqq.com/M2EyOTM2M2FlY2My/

https://junggvbvqqgroup.com/M2EyOTM2M2FlY2My/

https://junggvbvqqnet.com/M2EyOTM2M2FlY2My/

https://bestjunggvbvqq.com/M2EyOTM2M2FlY2My/

https://sabgggsabggg.com/M2EyOTM2M2FlY2My/

https://sabgggsabggg.top/M2EyOTM2M2FlY2My/

https://sabgggsabgggsabggg.top/M2EyOTM2M2FlY2My/

https://nisiqnisiq.top/M2EyOTM2M2FlY2My/

https://abgggpoh.top/M2EyOTM2M2FlY2My/

rc4.plain

Extracted

Family

octo

https://jungjungju.com/M2EyOTM2M2FlY2My/

https://junggvbvqqqqqq.com/M2EyOTM2M2FlY2My/

https://lajunggvbvqq.com/M2EyOTM2M2FlY2My/

https://junggvbvqqgroup.com/M2EyOTM2M2FlY2My/

https://junggvbvqqnet.com/M2EyOTM2M2FlY2My/

https://bestjunggvbvqq.com/M2EyOTM2M2FlY2My/

https://sabgggsabggg.com/M2EyOTM2M2FlY2My/

https://sabgggsabggg.top/M2EyOTM2M2FlY2My/

https://sabgggsabgggsabggg.top/M2EyOTM2M2FlY2My/

https://nisiqnisiq.top/M2EyOTM2M2FlY2My/

https://abgggpoh.top/M2EyOTM2M2FlY2My/

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
behavioral15/files/fstream-3.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.underonlyipt/app_DynamicOptDex/DQg.json	4508	com.underonlyipt
/data/user/0/com.underonlyipt/cache/adebqcl	4508	com.underonlyipt

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

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.underonlyipt

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.underonlyipt

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.underonlyipt
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.underonlyipt
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.underonlyipt
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.underonlyipt

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.underonlyipt

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.underonlyipt

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.underonlyipt

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.underonlyipt

com.underonlyipt
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)
- 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).
- Uses Crypto APIs (Might try to encrypt user data)
PID:4508

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Foreground Persistence

T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Hide Artifacts

T1628

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/user/0/com.underonlyipt/app_DynamicOptDex/DQg.json

Filesize
2KB

MD5
7e81aa11ee3a4bd55e349c456dbcf945

SHA1
e5c839c470dcbf216a6f0a724e0790b37cd7c9eb

SHA256
f29d4025ec6b0fcc27108a4ea2f2ce2042dad83ff86951fc95cfc27990517e8e

SHA512
2c6b668d54b387f3bcf6116eed93c64821366fd505975061fb096e4c97cf66d9f965fced7175a16835b60e6dca318f5e8ffb37c6b9e069c8052d686dadb5a38c

Download Submit
/data/user/0/com.underonlyipt/app_DynamicOptDex/DQg.json

Filesize
2KB

MD5
9b5465d55f1f563fb8da0a3788bd372e

SHA1
b8e4735c9a13194f0f79b161cb69a2433f0a7b06

SHA256
cd9ec8232db8bae9d7730dde4615997b6d062846e0461cb19f6a35c17e1b0d40

SHA512
30337a04d7489b5c849bf6e826f037a997d4596a8a892df2795bc5d8bd186beb441d7c770f08263ca07fde3bcc9157f8264ac2cccfb3d9c51ae8e8be8c752c47

Download Submit
/data/user/0/com.underonlyipt/app_DynamicOptDex/DQg.json

Filesize
6KB

MD5
392d3a7dd4bdabc1d11a5d1706682c0c

SHA1
d4f1145c05f25f820fe577418eb1c6e77f70b50a

SHA256
f24e8e583bc29586541200403227961fe218bf7b3a992049ee254e9553d74b89

SHA512
616c0efc733c0d47ef63429f2e95db605da70ec49d96204df4196a52931a1ed707ec77fd22e77cde8a55b2cb877b7bb671bd59804adfa258a421f477ab10aaeb

Download Submit
/data/user/0/com.underonlyipt/cache/adebqcl

Filesize
449KB

MD5
5b9369862cb950593943886e0cafb9d9

SHA1
cc5f9e9d48656aab49b7798ad69777893ed4ba1c

SHA256
6dfe0b14edd51eed690a582599e93393962d1b9a365510c823e875d9ba117eb9

SHA512
e641849f91e125187584205e7e30fbfc4153762693ad2ae810d6bbc563ff2e0e960b4b04f35a51e4f058a480b66d82a0e39ae8af97c200a829582784a3263479

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads