octo | 690d2dc85423edf72d1a1c967f32d8935acf54e0e15ddc6c5ecaf7f7d338acf5 | Triage

Analysis

max time kernel
149s
max time network
152s
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 22:02

Sharing

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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 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
behavioral2/files/fstream-1.dat	family_octo

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	4761	com.usualwhiteqhye
/data/user/0/com.usualwhiteqhye/cache/bqcanbfviiml	4761	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

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

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⤵
- 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.
- Uses Crypto APIs (Might try to encrypt user data)
PID:4761

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Foreground Persistence

Privilege Escalation

Defense Evasion

Download New Code at Runtime

Foreground Persistence

Hide Artifacts

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
359B

MD5
0f0856a8acc4df4a62fef4fe9861f817

SHA1
5d02f45954a800fbde11fb421826b4d2de73bb68

SHA256
b64f729dddc1c453afd27f4a942a47d3e346019bd22638590fc7040d567cdf7a

SHA512
1300bede38a5c432d20240ecd69c75bb0761be6080cc2f7672046a67c0785385462a5a7e9992de9fcb3833d09a9b9f0e94866d9cc3d07d330e1c4af5bb095f28

Download Submit