octo | d34dc3690ceb5f209e620e76eac5a11575ff9525f454a6c692af7f46dd05fdb9

Analysis

max time kernel
33s
max time network
183s
platform
android_x86
resource
android-x86-arm-20240624-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
submitted
17/08/2024, 22:01

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General

Target

d34dc3690ceb5f209e620e76eac5a11575ff9525f454a6c692af7f46dd05fdb9.apk
Size

509KB
MD5

b4062bdc9d3ad929da5b24160f5303b9
SHA1

124a80194fb4849824e3ae6fe4ef75fe4aa3d73b
SHA256

d34dc3690ceb5f209e620e76eac5a11575ff9525f454a6c692af7f46dd05fdb9
SHA512

9344a02730a65a052c302a6e47e36dcc59429e1d6912cd8af3031be1a1f0ce3b38b084378720b52934d12b71238519f728539f52d85302f75a6938c9ef4be870
SSDEEP

12288:uO+YM1vt06hRcIVfiFaTY/fei3OjVVEmnr:uRx110pRg8/Gi3OjVV9nr

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://selamcanoonaber.site/ZDljMGYyZTQ3YWRi/

https://hava540derece.com/ZDljMGYyZTQ3YWRi/

https://cehennemdirloo34.com/ZDljMGYyZTQ3YWRi/

https://sicaktanbayilcam52.com/ZDljMGYyZTQ3YWRi/

https://otururkenterliyorum42.com/ZDljMGYyZTQ3YWRi/

https://sicakdanbeynimyandii2.com/ZDljMGYyZTQ3YWRi/

https://slmla6242nbr.com/ZDljMGYyZTQ3YWRi/

https://havacerinlii34.com/ZDljMGYyZTQ3YWRi/

https://havasarinliyorla234.com/ZDljMGYyZTQ3YWRi/

https://sicaklarbittikurtldk6215.com/ZDljMGYyZTQ3YWRi/

https://pikniktupu2534.com/ZDljMGYyZTQ3YWRi/

https://robetcotraslros5234.com/ZDljMGYyZTQ3YWRi/

rc4.plain

Extracted

Family

octo

https://selamcanoonaber.site/ZDljMGYyZTQ3YWRi/

https://hava540derece.com/ZDljMGYyZTQ3YWRi/

https://cehennemdirloo34.com/ZDljMGYyZTQ3YWRi/

https://sicaktanbayilcam52.com/ZDljMGYyZTQ3YWRi/

https://otururkenterliyorum42.com/ZDljMGYyZTQ3YWRi/

https://sicakdanbeynimyandii2.com/ZDljMGYyZTQ3YWRi/

https://slmla6242nbr.com/ZDljMGYyZTQ3YWRi/

https://havacerinlii34.com/ZDljMGYyZTQ3YWRi/

https://havasarinliyorla234.com/ZDljMGYyZTQ3YWRi/

https://sicaklarbittikurtldk6215.com/ZDljMGYyZTQ3YWRi/

https://pikniktupu2534.com/ZDljMGYyZTQ3YWRi/

https://robetcotraslros5234.com/ZDljMGYyZTQ3YWRi/

AES_key

Signatures

Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
banker trojan infostealer rat 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

T1628.001

pid	Process
4321	com.addlittle4

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.addlittle4/cache/mykovh	4321	com.addlittle4
/data/user/0/com.addlittle4/cache/mykovh	4321	com.addlittle4

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.addlittle4
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.addlittle4

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.addlittle4

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.addlittle4

Performs UI accessibility actions on behalf of the user 1 TTPs 2 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.addlittle4
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.addlittle4

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.addlittle4

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

T1517

description	ioc	Process
Intent action	android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS	com.addlittle4

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.addlittle4

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.addlittle4

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.addlittle4

com.addlittle4
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).
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4321

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

Hide Artifacts

T1628

Suppress Application Icon

T1628.001

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.addlittle4/cache/mykovh

Filesize
448KB

MD5
e7ab78b05059b786359ab88d547483a3

SHA1
07b86305271adf2cffbaedc56055d2e963a3e20e

SHA256
c3602db24d47e712f28ffb551ffed6b8bb35a26118d3ce30c9e47eadd23a9274

SHA512
f6c5b5d0a33114641fc36f189c5c036b840cb642e5bbebc73eb2259e2111441687632c302cebd2f4e9fc43f0f9efecfb3ba823181bd20d6ec99f62ea944a27b3

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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