octo | 19c623cc12b68805fddd73bc674e4d74ce9e2cfbf7c8bf7bb73d3b02957dd9ee

Analysis

max time kernel
149s
max time network
157s
platform
android_x64
resource
android-33-x64-arm64-20240624-en
resource tags

androidarch:arm64arch:x64image:android-33-x64-arm64-20240624-enlocale:en-usos:android-13-x64system
submitted
15-01-2025 22:07

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General

Target

19c623cc12b68805fddd73bc674e4d74ce9e2cfbf7c8bf7bb73d3b02957dd9ee.apk
Size

2.4MB
MD5

692e204b816bbad80fa538576bbd731e
SHA1

94b21915c061e0bfb8c44002ffcf3f4f517f7736
SHA256

19c623cc12b68805fddd73bc674e4d74ce9e2cfbf7c8bf7bb73d3b02957dd9ee
SHA512

4be0e127289d56f7b8fc09291124920e2a013d2b47d8899f03505383498c5d74e932393f4f806d83f0d392df802eeaa2d8810b9dfc5544423c15bf0be6fe800e
SSDEEP

49152:3GgFde8bZ/IswKKz+fCE2LFFpi2Xb40JOdiEV5I3mhaFTLLtjYGH+a3R:DOeZ/ImKo4BFprJ7EHI3kaV/5Yy3R

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://91.215.85.142/NTA4MzIxMjdkYzNj/

https://edfwn923sfdml237vm90sdl23k.com/NTA4MzIxMjdkYzNj/

https://823jkfs4829nk48kef742kj675.com/NTA4MzIxMjdkYzNj/

https://sdglk33498knsf32667sfknwfr.com/NTA4MzIxMjdkYzNj/

https://952dsjk47kf73ls23k489klfdd.com/NTA4MzIxMjdkYzNj/

https://nzxvjej7337bjsdl232nsdlsfa.com/NTA4MzIxMjdkYzNj/

https://2348sdks230df834sd03272nsd.com/NTA4MzIxMjdkYzNj/

rc4.plain

Extracted

Family

octo

https://91.215.85.142/NTA4MzIxMjdkYzNj/

https://edfwn923sfdml237vm90sdl23k.com/NTA4MzIxMjdkYzNj/

https://823jkfs4829nk48kef742kj675.com/NTA4MzIxMjdkYzNj/

https://sdglk33498knsf32667sfknwfr.com/NTA4MzIxMjdkYzNj/

https://952dsjk47kf73ls23k489klfdd.com/NTA4MzIxMjdkYzNj/

https://nzxvjej7337bjsdl232nsdlsfa.com/NTA4MzIxMjdkYzNj/

https://2348sdks230df834sd03272nsd.com/NTA4MzIxMjdkYzNj/

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 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.carrysince50/cache/ixctcamb	4334	com.carrysince50

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.carrysince50
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.carrysince50

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.carrysince50

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.carrysince50

Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.carrysince50
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.carrysince50
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.carrysince50
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.carrysince50
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.carrysince50

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.carrysince50

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

T1517

description	ioc	Process
Intent action	android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS	com.carrysince50

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.carrysince50

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.carrysince50

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.carrysince50

com.carrysince50
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:4334

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

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

Access Notifications

T1517

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

Access Notifications

T1517

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.carrysince50/cache/ixctcamb

Filesize
2.3MB

MD5
7a648a8bc9050bb04ebafc10f0543924

SHA1
75f02bc897ab171f0ad19e261411598bc2a8d6d0

SHA256
6c4de47998f3cbc2ed971930bf4f971252da64ca635fefd5ccbcdc1e615e0997

SHA512
605a7b56df6221aa1d2c8e8d12ba290344a3b70808e59b320a18212c0db307654d6fbdd4d615fc32c5bac9cb8bee38fbed99ab947a8fcaa2e149891abfd38a05

Download Submit
/data/data/com.carrysince50/cache/oat/ixctcamb.cur.prof

Filesize
439B

MD5
1681cde1ad3e21fed184b804757a0b59

SHA1
abbe0be3a93d47981bb351fbd5a52f96cd58ae5e

SHA256
ea3118fe8dba5582c4e3e62c4b6ba58e658e87a25f3f2fdecfe67ca5be4d5ac9

SHA512
1b4aa7c7772d5da02c6ad88d7d804455a9edb75768078b5df4d86636c89400b13c85ee6a085a9a76bbd24d230f265e263f5f219edf98c4c3906874074af5cfd8

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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