octo | df6395d718294045cee30afafa1363728f26fbd4bc582e0c948c8c39d8c7567e

Analysis

max time kernel
149s
max time network
152s
platform
android-10_x64
resource
android-x64-20240910-en
resource tags

arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
submitted
10/01/2025, 22:00

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General

Target

df6395d718294045cee30afafa1363728f26fbd4bc582e0c948c8c39d8c7567e.apk
Size

2.4MB
MD5

acc9750ec1323d6bd285ae4ca007c9c8
SHA1

c2dddc1595f70940b3cca72fff28451d4e999a63
SHA256

df6395d718294045cee30afafa1363728f26fbd4bc582e0c948c8c39d8c7567e
SHA512

1ceec9b27ee7534c29100df5541508c1c45523174536859977b3076b10f996a1150951d9ed7e305fe8955a51be6862a3993481f5fd996a544cafb70388b73c2e
SSDEEP

49152:ugXjfkH7kVxtj7CIzqOPEyXicKPmGEdl6AVlvex7FBgS4v5v0LrEpLB:djq7kBUOsncKPk6uvyVA5v0EpLB

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://91.215.85.142/NTA4MzIxMjdkYzNj/

https://edfwn923sfdml237vm90sdl23k.com/NTA4MzIxMjdkYzNj/

https://823jkfs4829nk48kef742kj675.com/NTA4MzIxMjdkYzNj/

https://sdglk33498knsf32667sfknwfr.com/NTA4MzIxMjdkYzNj/

https://952dsjk47kf73ls23k489klfdd.com/NTA4MzIxMjdkYzNj/

https://nzxvjej7337bjsdl232nsdlsfa.com/NTA4MzIxMjdkYzNj/

https://2348sdks230df834sd03272nsd.com/NTA4MzIxMjdkYzNj/

rc4.plain

Extracted

Family

octo

https://91.215.85.142/NTA4MzIxMjdkYzNj/

https://edfwn923sfdml237vm90sdl23k.com/NTA4MzIxMjdkYzNj/

https://823jkfs4829nk48kef742kj675.com/NTA4MzIxMjdkYzNj/

https://sdglk33498knsf32667sfknwfr.com/NTA4MzIxMjdkYzNj/

https://952dsjk47kf73ls23k489klfdd.com/NTA4MzIxMjdkYzNj/

https://nzxvjej7337bjsdl232nsdlsfa.com/NTA4MzIxMjdkYzNj/

https://2348sdks230df834sd03272nsd.com/NTA4MzIxMjdkYzNj/

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
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.yearearlyal/cache/bwjxtjleyhwb	5235	com.yearearlyal
/data/user/0/com.yearearlyal/cache/bwjxtjleyhwb	5235	com.yearearlyal

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

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.yearearlyal

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.yearearlyal

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.yearearlyal
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.yearearlyal
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.yearearlyal
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.yearearlyal

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.yearearlyal

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.yearearlyal

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.yearearlyal

com.yearearlyal
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:5235

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

/data/data/com.yearearlyal/cache/bwjxtjleyhwb

Filesize
2.3MB

MD5
9254e740283035307e67b60920394d5b

SHA1
8027ab3e4a461af0fbfbb919277266e38e84170d

SHA256
a15fe22975c48a6bcda14519959f583ae6c3c30757e443f38e359187a4d14bd3

SHA512
50f767ed6e762ef3e88691db36e4447c6f84a511bcb9ca3c52d094b27b4b3543a76bb4c66aed0d4c8b7d740f36f2346b77fa08d3c5242376be6c38f0b7886d9f

Download Submit
/data/data/com.yearearlyal/cache/oat/bwjxtjleyhwb.cur.prof

Filesize
523B

MD5
b5dea2b51a6370b0de3c758cd4ba9b94

SHA1
c1570462b1bf652762c075c1e8df03bda42d9bf4

SHA256
139156edf3008d473795e8821f914a753c5c7b0781a7f083ccd15a5f11ce605b

SHA512
4bd34cd83dd52f23881b62ddd43dbe84e289530a87eaae1cb4dca2c06e2b22abb2389616548a49fb230b3898ee067394d5275cab29a7e59a948d2c5d4f6456d7

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads