octo | 39f4068054b2d23fde13de9e4bbb95533b57919ec1d5312fe3e8867c567b802b

Analysis

max time kernel
148s
max time network
157s
platform
android-10_x64
resource
android-x64-20240910-en
resource tags

arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
submitted
25-11-2024 22:01

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General

Target

39f4068054b2d23fde13de9e4bbb95533b57919ec1d5312fe3e8867c567b802b.apk
Size

1.5MB
MD5

a9ac2711aacd51a9aa422b3a676885d0
SHA1

ca3a855f17d2f3c6635b0ce2b4fa1207c4ac88cd
SHA256

39f4068054b2d23fde13de9e4bbb95533b57919ec1d5312fe3e8867c567b802b
SHA512

d201c420c6eae37703efd42cc9883494e59375599fa9c2e1e5518687964a4de0e56fb96a0340a5c8abc2585dc94ced049baad86e30b8df20a6a963168cdba130
SSDEEP

49152:ON9BHdOysTMqYJ0zjW305Srz0osUdr7SpZeSU7txq3:oyyqMKzh5Skohr7SEf+

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://hizliveguvenilirshop.com/MWZjODg0YjhhMWVi/

https://94b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d92146d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d92156d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://994b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

rc4.plain

Extracted

Family

octo

https://hizliveguvenilirshop.com/MWZjODg0YjhhMWVi/

https://94b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d92146d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://694b64c9b41c17a229d92156d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://994b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://4394b64c9b41c17a229d921556d14a4ffd4.com/MWZjODg0YjhhMWVi/

https://74b6c9bebf541c17a229d921556d14a4ffd4.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.withmy17/cache/ibprz	5256	com.withmy17
/data/user/0/com.withmy17/cache/ibprz	5256	com.withmy17

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.withmy17
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.withmy17

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.withmy17

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.withmy17

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.withmy17
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.withmy17
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.withmy17
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.withmy17

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.withmy17

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.withmy17

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.withmy17

com.withmy17
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:5256

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

Replay Monitor

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Downloads

/data/data/com.withmy17/cache/ibprz

Filesize
1.4MB

MD5
8cd8212ae4a54a840adad9e198d7cb85

SHA1
0311519dbe9a091d6ea8e99cb4a17b713899d1e6

SHA256
dff8891a258a31b73d683e7efdbce6e64b6b10d2d2a4044fed4ea9622d28dc1a

SHA512
98a9f6139ddbdbf5a78b72c74949bbeb7faa7087035bb5958cdd9ca6a3530fc8ad4fb3ed3ea30e1386b2f1ecbf729c270ac2596639e147c74cdfa05235db77e9

Download Submit
/data/data/com.withmy17/cache/oat/ibprz.cur.prof

Filesize
471B

MD5
db343645363d349126df6f7a17cd22a9

SHA1
4c5b50c97b5686a3e2651feeb553795282f52a0f

SHA256
665dd1f108d60299ef9c86f8a3ad16005fba1a38a04cae383c03a7196ffdc169

SHA512
0edec11f713a90030ba2053bc3dead65218c8bc1e99b1df76f4b6a1aaee1a9bf434cd5c3e616310d3911c165656f88e5371db7f7706db47a6c432f3bdb585aad

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads