octo | fa1dfdb400e655e17ff3f1b8c67c6e041a787dd843833eb2773fb35bbdb58246

Analysis

max time kernel
148s
max time network
154s
platform
android-11_x64
resource
android-x64-arm64-20240910-en
resource tags

arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-x64system
submitted
11-10-2024 22:09

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General

Target

fa1dfdb400e655e17ff3f1b8c67c6e041a787dd843833eb2773fb35bbdb58246.apk
Size

509KB
MD5

27cd4e00e2333cf87638b675d345c3c0
SHA1

31717144f25d4fdbcadf4f1be91f8795cbabcf52
SHA256

fa1dfdb400e655e17ff3f1b8c67c6e041a787dd843833eb2773fb35bbdb58246
SHA512

8134279c68146156f8589e6b2d9699539e982b49ca9ad2da4905483142d8bcbca9f22f1dfa16e28460cb54f830baa5b9784cff82f24432a8998fd666d1983461
SSDEEP

12288:p9Uw7Q4Rq+8LUHc/8w2Vs+AQtZp/gTxtf8oRVMv0RFd3K4nO:p9UQRqC80w2V51tfgEIRFd3RnO

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://guvenilirshopislemler.xyz/NGNkNTc3MjllZTM1/

https://hizliveguvenilirshop.com.tr/NGNkNTc3MjllZTM1/

https://guvenilirshopislemler.com.tr/NGNkNTc3MjllZTM1/

https://guvenilirislemlershop.com.tr/NGNkNTc3MjllZTM1/

https://guvenilirmarketingislemler.com.tr/NGNkNTc3MjllZTM1/

https://guvenilirislemlermarketing.com.tr/NGNkNTc3MjllZTM1/

https://shopguvenilirislemler.com.tr/NGNkNTc3MjllZTM1/

rc4.plain

Extracted

Family

octo

https://guvenilirshopislemler.xyz/NGNkNTc3MjllZTM1/

https://hizliveguvenilirshop.com.tr/NGNkNTc3MjllZTM1/

https://guvenilirshopislemler.com.tr/NGNkNTc3MjllZTM1/

https://guvenilirislemlershop.com.tr/NGNkNTc3MjllZTM1/

https://guvenilirmarketingislemler.com.tr/NGNkNTc3MjllZTM1/

https://guvenilirislemlermarketing.com.tr/NGNkNTc3MjllZTM1/

https://shopguvenilirislemler.com.tr/NGNkNTc3MjllZTM1/

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
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.vowelground54/cache/wimmwpihular	4770	com.vowelground54
/data/user/0/com.vowelground54/cache/wimmwpihular	4770	com.vowelground54

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.vowelground54
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.vowelground54

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.vowelground54

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.vowelground54

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.vowelground54
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.vowelground54
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.vowelground54
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.vowelground54

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.vowelground54

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.vowelground54

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.vowelground54

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.vowelground54

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.vowelground54

com.vowelground54
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:4770

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.vowelground54/cache/oat/wimmwpihular.cur.prof

Filesize
315B

MD5
95b05ccde55a912af8bee5b305459ef3

SHA1
7aede41774abd7f7201ee77f1e4b66535891115a

SHA256
3cf783a5387a68d495cfe8bd1c2db16f6c28cad94d32a75fb2bac59da4bf922d

SHA512
86c9b1d74010c4436bf5143e1ac0b54c0e1500575b1e03301aa4ad3e8b0eacb3ce972bb9313a0377309b96cc89b0aa6ef8e468d36e2b9c9b46b130f1e3c99bc4

Download Submit
/data/data/com.vowelground54/cache/wimmwpihular

Filesize
449KB

MD5
08e13019de6a894c00f9aba8a6fef040

SHA1
1385aef55fcfd9ac1ede9497115a4994096b2720

SHA256
a45399e42fa8285fc5567f6a561fe0ea4f4d7834681b3dd14b3f1100ce44032e

SHA512
5e5eee925ef87b555d78f6ba0e7f816d5bff18832d2ffa5d420449a653da4957ac7e3bc10579d1d6b690c9091061acca7d864c526b6a1a85c219fcbc6358630d

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads