octo | 3475d087c22616f9e8c78c50e0c1591225f60a1212eb863679a761e0f38e7bea

Analysis

max time kernel
140s
max time network
151s
platform
android-11_x64
resource
android-x64-arm64-20240910-en
resource tags

arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-x64system
submitted
07-11-2024 22:09

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General

Target

3475d087c22616f9e8c78c50e0c1591225f60a1212eb863679a761e0f38e7bea.apk
Size

4.8MB
MD5

c8e68dad38bd31d444faa3ed4cb05f20
SHA1

34de03a79599d72cd097b41bbe6901127bcba6d3
SHA256

3475d087c22616f9e8c78c50e0c1591225f60a1212eb863679a761e0f38e7bea
SHA512

652fa20bd8ca22d70f15df96be8c54efd597891aebde43aadf0c54b7c26e2006eb2eb913c1aff426d7a480c4ad62ab2c646525e99ad6a1540b8d40c6735b1860
SSDEEP

49152:z3RsEX803VJjKJ3j7b45iS7xrGzr4uonJ1jVKScNFFLptDcPrdcdjjdj9:zRsnwVJj03j7M5iSRGgvVK1xDmrcjR9

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://c9e49415bb52b3e0db9fc320b95e63aa.ir

https://42aeaa2f18fbd7aab361ff7442c19e5a.net

https://8161c8d8e3a28d0a28b8bbef06e11751.ca

https://4e54a9d05ac22b5ba510d8501d3cb73a.ua

https://0ba34225aa78d735a7976d154677b70e.au

https://62b07532ca4b58f66a942e1d2fccf28b.info

https://7184c8b13ea56c14d2556438655a6709.org

https://49d9872691e0b08dd3d0fbd44d10f8e3.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 family
octo

Octo payload 1 IoCs

resource	yara_rule
behavioral2/memory/4521-0.dex	family_octo

Loads dropped Dex/Jar 1 TTPs 1 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.gkunified0_navbar/[email protected]	4521	com.gkunified0_navbar

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.gkunified0_navbar
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.gkunified0_navbar

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.gkunified0_navbar

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.gkunified0_navbar

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.gkunified0_navbar

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.gkunified0_navbar

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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.gkunified0_navbar

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.gkunified0_navbar

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.gkunified0_navbar

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.gkunified0_navbar

com.gkunified0_navbar
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)
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4521

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

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.gkunified0_navbar/.global.com.gkunified0_navbar

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.gkunified0_navbar/files/.x

Filesize
322KB

MD5
77dc50489b9323274732d27dc8a4e803

SHA1
0e02a3595b62489d0739d771881da8604d117c65

SHA256
c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820

SHA512
0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

Download Submit
/data/data/com.gkunified0_navbar/oat/x86_64/[email protected]

Filesize
350B

MD5
e08de32b86a1aa96c5c3c8aab22e16c5

SHA1
d5b6d565e1737425d97a703f3e055f1963cd7460

SHA256
89a575ab038afef1a123469eee19b729fbea97562b812c4748d421dedebd2055

SHA512
081ca8ce14a122c85f70b63b13c9cfb52fc274d39125eabf00f6fcd0364e2a2d5a8735dd0c3ae062ce21d447d27ae567830d4bfd59f3e6566a11ea7636a1209c

Download Submit
/data/user/0/com.gkunified0_navbar/[email protected]

Filesize
526KB

MD5
8199ec81459137e153c8770d6d4cd47a

SHA1
cda3d9819852869716c9f735bfad130d2444ca98

SHA256
19f475f62cdd995e83f4e71ceb534e5efdb2f9aaae9af3180eabca6268b16f44

SHA512
80dd51e8f7381d0f017ee5760e1386bdd13c4c8e8c0db8002576801a7ceaafc494c575b044c55f8343bc5c54e971623ed3da687181702b7eb779e4bf608365be

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads