octo | a8847ec27200b83ddbdb9ceec93f4b32eef3d52f271e9d648d059cdb569f27b2

Analysis

max time kernel
147s
max time network
158s
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
14-01-2025 22:01

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General

Target

a8847ec27200b83ddbdb9ceec93f4b32eef3d52f271e9d648d059cdb569f27b2.apk
Size

2.4MB
MD5

8d5da119614b217f31a9938450748496
SHA1

131fff14472793225934dadbc2e5b30e16a8975e
SHA256

a8847ec27200b83ddbdb9ceec93f4b32eef3d52f271e9d648d059cdb569f27b2
SHA512

f6b0823a3e61afa718d719ee274ad0be5aab31c0ce318c9793f67cf1dc2f4bd055efb9fc9a09b645fd7b38a9e7a7d2b337e21653dcc20a7be318781360419a52
SSDEEP

49152:FSue8YDlez1Z7Wb+BbKgQxZcf+RZifAyxHb6pfGoS6OV7WDS9:858Dz1Z7Wb+pZQxWf+73yJKOXqQ

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://mutezallentan31.com/NWNiNWRmMmZjZTdl/

https://kiymamakinesi345.com/NWNiNWRmMmZjZTdl/

https://kraliyetinoglu3412.com/NWNiNWRmMmZjZTdl/

https://sonkraliyetbukucu1.com/NWNiNWRmMmZjZTdl/

https://kraliyetkurdu22.com/NWNiNWRmMmZjZTdl/

rc4.plain

Extracted

Family

octo

https://mutezallentan31.com/NWNiNWRmMmZjZTdl/

https://kiymamakinesi345.com/NWNiNWRmMmZjZTdl/

https://kraliyetinoglu3412.com/NWNiNWRmMmZjZTdl/

https://sonkraliyetbukucu1.com/NWNiNWRmMmZjZTdl/

https://kraliyetkurdu22.com/NWNiNWRmMmZjZTdl/

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.latedownmuk/cache/vwcmcmwfltozlk	4316	com.latedownmuk

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

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.latedownmuk

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.latedownmuk

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.latedownmuk
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.latedownmuk
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.latedownmuk
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.latedownmuk
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.latedownmuk

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.latedownmuk

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.latedownmuk

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.latedownmuk

Requests modifying system settings. 1 IoCs

evasion

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

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.latedownmuk

com.latedownmuk
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:4316

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

Replay Monitor

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Downloads

/data/data/com.latedownmuk/cache/oat/vwcmcmwfltozlk.cur.prof

Filesize
418B

MD5
2f1b68250f774c8c593af8d23f844e2f

SHA1
080f736b5d02ad1f3f4947266fdef564f0c0f7b9

SHA256
aa98c0d49cbfc03d295c6904f28c403e5f0eb1122fa7d17d6de56a73e32f3631

SHA512
9496b4bbbb6fd1230eced1e52cd05e4c409a2bee56d6fa6403ca02f1173196414211fe8fac4e15914854b23589dfd1a595071e98f0a01db11b0ef2020a7310c6

Download Submit
/data/data/com.latedownmuk/cache/vwcmcmwfltozlk

Filesize
2.3MB

MD5
913d164b960a3bbcc22287b6164dfaf0

SHA1
e163ddcb066d83407cd8bc69311f39c6cc01284b

SHA256
cea35bc2e211bfdaa19f905bd5aac88c7675274d6919c25cc8f0940bcba201b3

SHA512
499673bef5e2d0e8044e4df00bd9700bc7967c0b00aa30581afad85b43cdf34122278290b9fc356a4f7d8d1decc76d1103837834cdab874a1a46f1d403791007

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads