octo | 71289fd0369a79aaad17e758266214ff5506635d436c1b374ea3db6e56f19f65

Analysis

max time kernel
29s
max time network
37s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
09-10-2024 08:10

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General

Target

71289fd0369a79aaad17e758266214ff5506635d436c1b374ea3db6e56f19f65.apk
Size

8.1MB
MD5

1aa4cced6125d872db24b24765017f09
SHA1

ea56297b918e52967802d88068459675de0189c4
SHA256

71289fd0369a79aaad17e758266214ff5506635d436c1b374ea3db6e56f19f65
SHA512

0272bc43f3b181b3d97dd2fb8714c5e592cd444f61b64b63f47a707e07394c17570e43ec2fa5d7b88f9a8cffeac11a23471abb61ebd0426f669561c0575751c0
SSDEEP

98304:sQPd5iSRGm90f8NNHVKAKHws52uMbbRsUJzNRH3X5:fdrt0fKHUXHws52uMbbRZlNF3X5

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://e8009e84c92eeeb6f2cd34622a9bda07.com

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
behavioral1/memory/4938-1.dex	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.ytelephony_selectorz/app_remove/XoO.json	4938	com.ytelephony_selectorz
/data/user/0/com.ytelephony_selectorz/[email protected]	4938	com.ytelephony_selectorz

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

Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

collection credential_access impact

Clipboard Data

T1414

Transmitted Data Manipulation

T1641.001

description	ioc	Process
Framework service call	android.content.IClipboard.addPrimaryClipChangedListener	com.ytelephony_selectorz

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.ytelephony_selectorz

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.ytelephony_selectorz

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.ytelephony_selectorz

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.ytelephony_selectorz

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.ytelephony_selectorz

Checks CPU information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/cpuinfo	com.ytelephony_selectorz

Checks memory information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/meminfo	com.ytelephony_selectorz

com.ytelephony_selectorz
1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- 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)
- Checks CPU information
- Checks memory information
PID:4938

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

Input Injection

T1516

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Clipboard Data

T1414

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Software Discovery

T1418

Security Software Discovery

T1418.001

System Information Discovery

T1426

System Network Configuration Discovery

T1422

Lateral Movement

Collection

Clipboard Data

T1414

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Data Manipulation

T1641

Transmitted Data Manipulation

T1641.001

Input Injection

T1516

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Downloads

/data/data/com.ytelephony_selectorz/.global.com.ytelephony_selectorz

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.ytelephony_selectorz/app_remove/XoO.json

Filesize
1015B

MD5
35ba50f0916c18aed5eb47d920398ed4

SHA1
96b8e39be7d4c4a8391b0506fc11ea9a13a6896b

SHA256
b527abaecfa2590a3d86e5636a9a514899cf35d192b9c599cf0873da765f6c9c

SHA512
0235c6eb5efb7e0cd13eac0cdca25c926d2a0501770b25fd2bf3d7aea5a248b4a528f4676d6d09d54efcb0bf76d306cad3ea60807b4da60240e2a37e986b8b35

Download Submit
/data/data/com.ytelephony_selectorz/app_remove/XoO.json

Filesize
1015B

MD5
8c081be797acbcfee3f0928f8e5859e8

SHA1
7681f25ae21969a1f726c744930415fdede8ee40

SHA256
b572633052a9eb29cfb032a9dbb4bce71813c8a21d9c79093f7598c2c6d24c5f

SHA512
4bfa83c75c3f892cadcf3b5076e9202079150680a5d70f55fa3f872125ffaedea95f0d7a5b6b84540d3cd10a887473c4abfc55cf07ec3bbe79b9a51199fd1561

Download Submit
/data/data/com.ytelephony_selectorz/files/.h

Filesize
322KB

MD5
77dc50489b9323274732d27dc8a4e803

SHA1
0e02a3595b62489d0739d771881da8604d117c65

SHA256
c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820

SHA512
0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

Download Submit
/data/data/com.ytelephony_selectorz/oat/x86_64/[email protected]

Filesize
298B

MD5
92e24e59df211e5d5d3266a634bda831

SHA1
054b678675b6226b60dca9278ea50256f0455e0a

SHA256
ead85f8c8f6193921e0920f71de747b5a0ff9b80643ec2dc0708156b3c34f813

SHA512
96eee8d04cf4111b68bb9fe0b2983850c8eabd66218bb2bbb92e5a87d26830ec0a79eb97a48e97cef8d396990c56bd95019015f4258732860042b6eedd46ce24

Download Submit
/data/user/0/com.ytelephony_selectorz/[email protected]

Filesize
526KB

MD5
cfec990edec767f404f8f2dab86487a5

SHA1
c753d9fc0bd6e510674eaab9861c2c401257f17c

SHA256
052f1f1ba8212f961c3000d49eb0cf16a5da64223449209c7c3ee12216e7909f

SHA512
d7e0e23a9c3fabc274f9b6ee8efe6ab67d36feaf4369d32502d4f34a6bc7016d8901e02d1a66c8e610f38683cbad03c41319cb1621ff69c20b39e85205c7af9c

Download Submit
/data/user/0/com.ytelephony_selectorz/app_remove/XoO.json

Filesize
1KB

MD5
173c073de863bda89f1698eee1e0f3f9

SHA1
b65f39438396e40e109b0cf1d61a8333d1b0ebfc

SHA256
37885538c259989347e60149a9e523117ed21a1f63c3daf27de87b085d53b539

SHA512
3e0c2f7c4da94890660d10a26fe869ddb5486fd133eba6b1a5d76e8d8149322740ededc601ce3b0f3711a7e3b9f3e0a83a284ebf0cdb7bda98502bb10e95844f

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads