octo | 690d2dc85423edf72d1a1c967f32d8935acf54e0e15ddc6c5ecaf7f7d338acf5 | Triage

Analysis

max time kernel
149s
max time network
153s
platform
android-9_x86
resource
android-x86-arm-20240910-en
resource tags

arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
submitted
07-11-2024 22:02

Sharing

Report Analysis Logs

General

Target

690d2dc85423edf72d1a1c967f32d8935acf54e0e15ddc6c5ecaf7f7d338acf5.apk
Size

2.4MB
MD5

61a2b4556f04f6e16a26e907c21665aa
SHA1

94e82dba3f26d1cc68fe820095760a20bdd478a9
SHA256

690d2dc85423edf72d1a1c967f32d8935acf54e0e15ddc6c5ecaf7f7d338acf5
SHA512

664d59d913fb6e3bdae974cba856d0a300055099b48c79f0f96ed26496da9161b7871901ed44063046aaa6f244699b3966b13d452834884fd0a01c222c19f1c1
SSDEEP

49152:0KzZsn7nFFP9AEKD4i5fWAq2r+ywJlWyouXObKxAhySdtticoQbd9yK1lQJA8Pfe:hi7FVTHlAD+Fl93ebKahnD7P59t1lyDe

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan

Malware Config

Extracted

Family

octo

C2

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

rc4.plain

Extracted

Family

octo

C2

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

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
behavioral1/files/fstream-1.dat	family_octo

Removes its main activity from the application launcher 1 TTPs 1 IoCs

stealth trojan evasion

Suppress Application Icon

pid	Process
4273	com.usualwhiteqhye

Loads dropped Dex/Jar 1 TTPs 2 IoCs

Runs executable file dropped to the device during analysis.

Download New Code at Runtime

ioc	pid	Process
/data/user/0/com.usualwhiteqhye/cache/bqcanbfviiml	4273	com.usualwhiteqhye
/data/user/0/com.usualwhiteqhye/cache/bqcanbfviiml	4273	com.usualwhiteqhye

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

Screen Capture

Keylogging

GUI Input Capture

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.usualwhiteqhye
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.usualwhiteqhye

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.usualwhiteqhye

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

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.usualwhiteqhye

Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

Application may abuse the accessibility service to prevent their removal.

Prevent Application Removal

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.usualwhiteqhye
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.usualwhiteqhye
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.usualwhiteqhye
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.usualwhiteqhye

Queries the mobile country code (MCC) 1 TTPs 1 IoCs

System Network Configuration Discovery

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.usualwhiteqhye

Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
discovery

System Network Configuration Discovery
T1422
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

description	ioc	Process
Intent action	android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS	com.usualwhiteqhye

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs

User Evasion

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.usualwhiteqhye

Requests modifying system settings. 1 IoCs

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.usualwhiteqhye

Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs

Broadcast Receivers

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	com.usualwhiteqhye

Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Data Encrypted for Impact

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.usualwhiteqhye

com.usualwhiteqhye
1⤵
- Removes its main activity from the application launcher
- 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).
- Requests modifying system settings.
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4273

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

Broadcast Receivers

Foreground Persistence

Privilege Escalation

Defense Evasion

Download New Code at Runtime

Foreground Persistence

Hide Artifacts

Suppress Application Icon

User Evasion

Impair Defenses

Prevent Application Removal

Input Injection

Credential Access

Access Notifications

Input Capture

GUI Input Capture

Keylogging

Discovery

Software Discovery

Security Software Discovery

System Network Configuration Discovery

Lateral Movement

Collection

Access Notifications

Input Capture

GUI Input Capture

Keylogging

Screen Capture

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

Input Injection

Replay Monitor

Loading Replay Monitor...

Downloads

/data/data/com.usualwhiteqhye/cache/bqcanbfviiml

Filesize
2.3MB

MD5
e017c744d6789e6400a70fd3c680e2c0

SHA1
75ffb86472e60001ee5f21550a70006758c3cfa9

SHA256
6b38b0b234f821ca6a5271dfdfbd0245bbbfca67e04eb95b5f78cb8bdbff9f3e

SHA512
480254391b2978b1c66e371f25e621982c7b6a56cda8c61020c1fa5d7bccce0db5700584bcf145dae4c4f56272471d5ca304810905b0dec353b30101220e27fb

Download Submit
/data/data/com.usualwhiteqhye/cache/oat/bqcanbfviiml.cur.prof

Filesize
523B

MD5
58c0d287a7e51b24fa6a82af8adddf38

SHA1
bc1b5983169d6498c56c4bd9c59c7c5109351c90

SHA256
f5be6a94dff3540ebe30f02e0d805043a984bac1f1f9436a4999048096123c9a

SHA512
c0b4b84c9948e21192191f275691a55cffc830df1b0efa98b7b46b0323365bd1a6d3aff3bc36b7592b65443468a20df110d9a2c08990c45821ea6714151b0f7a

Download Submit