octo | ed04228da0a650392b31cb1ec785cc3918f6d163a8058f5d3e2f592574efa690

Analysis

max time kernel
149s
max time network
151s
platform
android-10_x64
resource
android-x64-20240910-en
resource tags

arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
submitted
29-11-2024 22:02

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General

Target

ed04228da0a650392b31cb1ec785cc3918f6d163a8058f5d3e2f592574efa690.apk
Size

2.4MB
MD5

83fea6ada8224945b47542bf54b38b6e
SHA1

ea6d522ebbb6ab7e19675e823cb93bf0dab50d76
SHA256

ed04228da0a650392b31cb1ec785cc3918f6d163a8058f5d3e2f592574efa690
SHA512

61e11c3da3239304c1fa75b29beeeeeb85c0bb461535382c4f354ed5caabddf9fcee9b390f55113e4a4a96d5cb7f8687918f33ec735962610cc4b51c89e50032
SSDEEP

49152:r7mR9g1dFoD+SmwQQGKIEU8n4tsCLO2TNuYekJhaHM:WYTFulLlGKTZvcLTEYek2s

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://64b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://74b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://89c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b641390330721556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

rc4.plain

Extracted

Family

octo

https://c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://64b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://74b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://89c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b641390330721556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://94b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://84b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://04b6c9bebf541c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

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.woodcourse16/cache/cytwusugcgn	5074	com.woodcourse16
/data/user/0/com.woodcourse16/cache/cytwusugcgn	5074	com.woodcourse16

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.findAccessibilityNodeInfosByViewId	com.woodcourse16
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.woodcourse16

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.woodcourse16

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.woodcourse16

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.woodcourse16
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.woodcourse16
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.woodcourse16
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.woodcourse16

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.woodcourse16

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.woodcourse16

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.woodcourse16

com.woodcourse16
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:5074

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.woodcourse16/cache/cytwusugcgn

Filesize
2.3MB

MD5
6bba2ffea1d32a35bbded59f0281aff4

SHA1
faf6f8867d73332d040c618262742bfefc351e57

SHA256
e8b1ed18b1a2c4c024f69297dcb9edc486f59fa595b3347cbbe945e3954b8ae0

SHA512
092c5656a51ab6e348924adc5143d7cacdc27ab9c8f273d04fed4ce74e966177a5f717a6ff5fb2c66cad525efefcc287051f4128cd49088be653ec85910717e0

Download Submit
/data/data/com.woodcourse16/cache/oat/cytwusugcgn.cur.prof

Filesize
532B

MD5
f7f03ea136f93e783b61880c1d7dfe1e

SHA1
ce823c94a24143061dfa1680d06a4aa0e98cabf0

SHA256
339d9157d7d7d31490df21bf5d0e54ad8c54bec454b810cb6609b64f078ef31f

SHA512
cabefe991d1e03cb2d990cf8cf1fe2bcccb12db3f06bda3d266e23ecf7b166a866d2f5a27b41350256ba9229107d623e5c07392def9fb6fc9d17e64615b88eaa

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads