octo | b8d8a0902b5500f37c6b4887126ca61bcb19e0311ed157eceafc87698ea7ce3a

Analysis

max time kernel
148s
max time network
151s
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
23-01-2025 22:02

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General

Target

b8d8a0902b5500f37c6b4887126ca61bcb19e0311ed157eceafc87698ea7ce3a.apk
Size

2.6MB
MD5

9959b1d0e3c73411652d9be52dc3bc5a
SHA1

789d8ff4e6ebc771cc8b02d012d89dfc0205db2a
SHA256

b8d8a0902b5500f37c6b4887126ca61bcb19e0311ed157eceafc87698ea7ce3a
SHA512

18279a53426e5836231d03d675adf0d2dde822279c21eafb0712d27f43ba4fa49f7797702e1d28027b9bbdd32c7a18a2bf873a5f4b35d6e00053c79071006739
SSDEEP

49152:NCR4ajs6C6VDGYLHD9662Nngc0GOpYyKQHc7fwDPpGsIFC4V62azLEImmLTWn2AS:w+I2EvHs62sCMIOGsEC4YzNbWni

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://karakterolipsbilgilendirme.xyz/hxDNtg7DB3tk/

https://karakterolipsdostlukhik.xyz/hxDNtg7DB3tk/

https://karakterolipssinemaevreni.xyz/hxDNtg7DB3tk/

https://karakterolipssanatvesahne.xyz/hxDNtg7DB3tk/

https://karakterolipskulturkonusu.xyz/hxDNtg7DB3tk/

https://karakterolipstarihiyolu.xyz/hxDNtg7DB3tk/

https://karakterolipsmasallar.xyz/hxDNtg7DB3tk/

https://karakterolipskonferansi.xyz/hxDNtg7DB3tk/

https://karakterolipsgezegenhik.xyz/hxDNtg7DB3tk/

https://karakterolipsdunyasi.xyz/hxDNtg7DB3tk/

https://karakterolipsshowsanat.xyz/hxDNtg7DB3tk/

https://karakterolipsicimsessiz.xyz/hxDNtg7DB3tk/

https://karakterolipsfelsefesi.xyz/hxDNtg7DB3tk/

https://karakterolipsyolculugu.xyz/hxDNtg7DB3tk/

https://karakterolipsrenkleri.xyz/hxDNtg7DB3tk/

https://karakterolipssunumlar.xyz/hxDNtg7DB3tk/

https://karakterolipsduygular.xyz/hxDNtg7DB3tk/

https://karakterolipsgizemleri.xyz/hxDNtg7DB3tk/

https://karakterolipskaynak.xyz/hxDNtg7DB3tk/

https://karakterolipsseruven.xyz/hxDNtg7DB3tk/

rc4.plain

Extracted

Family

octo

https://karakterolipsbilgilendirme.xyz/hxDNtg7DB3tk/

https://karakterolipsdostlukhik.xyz/hxDNtg7DB3tk/

https://karakterolipssinemaevreni.xyz/hxDNtg7DB3tk/

https://karakterolipssanatvesahne.xyz/hxDNtg7DB3tk/

https://karakterolipskulturkonusu.xyz/hxDNtg7DB3tk/

https://karakterolipstarihiyolu.xyz/hxDNtg7DB3tk/

https://karakterolipsmasallar.xyz/hxDNtg7DB3tk/

https://karakterolipskonferansi.xyz/hxDNtg7DB3tk/

https://karakterolipsgezegenhik.xyz/hxDNtg7DB3tk/

https://karakterolipsdunyasi.xyz/hxDNtg7DB3tk/

https://karakterolipsshowsanat.xyz/hxDNtg7DB3tk/

https://karakterolipsicimsessiz.xyz/hxDNtg7DB3tk/

https://karakterolipsfelsefesi.xyz/hxDNtg7DB3tk/

https://karakterolipsyolculugu.xyz/hxDNtg7DB3tk/

https://karakterolipsrenkleri.xyz/hxDNtg7DB3tk/

https://karakterolipssunumlar.xyz/hxDNtg7DB3tk/

https://karakterolipsduygular.xyz/hxDNtg7DB3tk/

https://karakterolipsgizemleri.xyz/hxDNtg7DB3tk/

https://karakterolipskaynak.xyz/hxDNtg7DB3tk/

https://karakterolipsseruven.xyz/hxDNtg7DB3tk/

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/memory/4793-0.dex	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.arrest.seven/app_stick/HUil.json	4793	com.arrest.seven

Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection defense_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.arrest.seven
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.arrest.seven

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.arrest.seven

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.

defense_evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.arrest.seven

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.arrest.seven
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.arrest.seven
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.arrest.seven
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.arrest.seven

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.arrest.seven

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.arrest.seven

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs

defense_evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.arrest.seven

Requests modifying system settings. 1 IoCs

defense_evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.arrest.seven

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.arrest.seven

com.arrest.seven
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:4793

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/user/0/com.arrest.seven/app_stick/HUil.json

Filesize
153KB

MD5
4e45a2764e8830deb4d8b8512f36ce72

SHA1
b8157222791f7d0057cc04d4ff41be4a4cb7584f

SHA256
9fabbdd59c71b7ee5a7d2decbb37f272e1ebaa24f1275815c0e66d1d0d6a1144

SHA512
06d41f6790c5285cc4ddd976a46169e87561ad75ddc5a8ba2bb83ced84e0d90e5e0466faa73010f42b9f70968f6d7ff77023ee8219237665e4f8a9cea0e49751

Download Submit
/data/user/0/com.arrest.seven/app_stick/HUil.json

Filesize
153KB

MD5
0ac5a473f3574083ca54b73692ced21c

SHA1
e82cc313316716ee48ce4c3294b4c1f0dc9dea00

SHA256
14db9dec45d86588c8ad2893ad6993c053400d8cf09dd9507146e160c8bb90b3

SHA512
b2f5c6a7487e9b9c8d2a42228add854e383f7abc512aff1b04d77790bb94fc4d4053fa85dad6e1ba5121f955f9a31cb02997e343e8bd067ed5bb3a18ee605d73

Download Submit
/data/user/0/com.arrest.seven/app_stick/HUil.json

Filesize
450KB

MD5
893018d2d49ee83e165dd0d872dfd25c

SHA1
f65a495d7cf54ca7a6d87c94f9bbdc1c0df8e41f

SHA256
eb31674ed6d88b1b614c09c43084ec5fc0a14698b5495e2f69885f188a94155e

SHA512
449a93415c113bcb03a779da4d0ed68519367777427c867368bbd94d819746b34881d154de631c122425533d9e3b5388349d653f1b79a5c9c5369000faffcb76

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads