octo | 6618fa50a5d1ef0f11112d098f9335a65d654b9f521ec868364dc7ea8945ece7

Analysis

max time kernel
148s
max time network
150s
platform
android-9_x86
resource
android-x86-arm-20240910-en
resource tags

arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
submitted
09/09/2024, 22:03

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General

Target

6618fa50a5d1ef0f11112d098f9335a65d654b9f521ec868364dc7ea8945ece7.apk
Size

2.3MB
MD5

3d66e48ed28e75278896cfa240fce52d
SHA1

48c4b904957b56a634f31780dc4b00d87e0f69dc
SHA256

6618fa50a5d1ef0f11112d098f9335a65d654b9f521ec868364dc7ea8945ece7
SHA512

1e9ea73e5d0c2efaa1d91b367778dd367a98d0133b6e85ffdc9a021c98417df5855a1b7e868e4ca3b073996f44127fd77e3e12d18734ac6c220d5212fdb6768d
SSDEEP

49152:Kc6DZrBRjb5nburLMSPYhswBtYECJdspMHU5vGzG:KciFRjb9burLMk4tJsdPkGzG

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://internettenparakazanmatavsiyesi.xyz/N2ZmMjUwY2Q3ZGE3/

https://dunyagezginleriyolrehberiniz.xyz/N2ZmMjUwY2Q3ZGE3/

https://teknolojiylesagliklivucut.xyz/N2ZmMjUwY2Q3ZGE3/

https://yemektariflerivelezzetdunyasi.xyz/N2ZmMjUwY2Q3ZGE3/

https://kitapvesanatkulubuilankitabi.xyz/N2ZmMjUwY2Q3ZGE3/

https://hayalinizdekiseyahatgezisi.xyz/N2ZmMjUwY2Q3ZGE3/

https://sosyalmedyayonetimrehberi.xyz/N2ZmMjUwY2Q3ZGE3/

https://dogadabakdunyayikestfet.xyz/N2ZmMjUwY2Q3ZGE3/

https://sanatseverleryaraticibulusma.xyz/N2ZmMjUwY2Q3ZGE3/

https://bilimvesanatinsirlari.xyz/N2ZmMjUwY2Q3ZGE3/

https://cocukgelisimiuzmanrehberi.xyz/N2ZmMjUwY2Q3ZGE3/

https://akillitelefononarinbakimi.xyz/N2ZmMjUwY2Q3ZGE3/

https://gunluksporvenefesrehberi.xyz/N2ZmMjUwY2Q3ZGE3/

https://evdekulturvesanathobi.xyz/N2ZmMjUwY2Q3ZGE3/

https://okulyolucocukgelisim.xyz/N2ZmMjUwY2Q3ZGE3/

https://sinemaokulusanatesintisi.xyz/N2ZmMjUwY2Q3ZGE3/

https://geziyorumvesenindunyanda.xyz/N2ZmMjUwY2Q3ZGE3/

https://modernsanatyaraticiler.xyz/N2ZmMjUwY2Q3ZGE3/

https://ekolojikuruntuketiciklavuzu.xyz/N2ZmMjUwY2Q3ZGE3/

https://oyuncakvecocukaktivite.xyz/N2ZmMjUwY2Q3ZGE3/

rc4.plain

Extracted

Family

octo

https://internettenparakazanmatavsiyesi.xyz/N2ZmMjUwY2Q3ZGE3/

https://dunyagezginleriyolrehberiniz.xyz/N2ZmMjUwY2Q3ZGE3/

https://teknolojiylesagliklivucut.xyz/N2ZmMjUwY2Q3ZGE3/

https://yemektariflerivelezzetdunyasi.xyz/N2ZmMjUwY2Q3ZGE3/

https://kitapvesanatkulubuilankitabi.xyz/N2ZmMjUwY2Q3ZGE3/

https://hayalinizdekiseyahatgezisi.xyz/N2ZmMjUwY2Q3ZGE3/

https://sosyalmedyayonetimrehberi.xyz/N2ZmMjUwY2Q3ZGE3/

https://dogadabakdunyayikestfet.xyz/N2ZmMjUwY2Q3ZGE3/

https://sanatseverleryaraticibulusma.xyz/N2ZmMjUwY2Q3ZGE3/

https://bilimvesanatinsirlari.xyz/N2ZmMjUwY2Q3ZGE3/

https://cocukgelisimiuzmanrehberi.xyz/N2ZmMjUwY2Q3ZGE3/

https://akillitelefononarinbakimi.xyz/N2ZmMjUwY2Q3ZGE3/

https://gunluksporvenefesrehberi.xyz/N2ZmMjUwY2Q3ZGE3/

https://evdekulturvesanathobi.xyz/N2ZmMjUwY2Q3ZGE3/

https://okulyolucocukgelisim.xyz/N2ZmMjUwY2Q3ZGE3/

https://sinemaokulusanatesintisi.xyz/N2ZmMjUwY2Q3ZGE3/

https://geziyorumvesenindunyanda.xyz/N2ZmMjUwY2Q3ZGE3/

https://modernsanatyaraticiler.xyz/N2ZmMjUwY2Q3ZGE3/

https://ekolojikuruntuketiciklavuzu.xyz/N2ZmMjUwY2Q3ZGE3/

https://oyuncakvecocukaktivite.xyz/N2ZmMjUwY2Q3ZGE3/

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 2 IoCs

resource	yara_rule
behavioral1/memory/4347-0.dex	family_octo
behavioral1/memory/4321-0.dex	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.buddy.unaware

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.buddy.unaware/app_soon/QcCOtg.json	4347	/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.buddy.unaware/app_soon/QcCOtg.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.buddy.unaware/app_soon/oat/x86/QcCOtg.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.buddy.unaware/app_soon/QcCOtg.json	4321	com.buddy.unaware

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.buddy.unaware
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.buddy.unaware

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.buddy.unaware

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.buddy.unaware

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.buddy.unaware
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.buddy.unaware
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.buddy.unaware
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.buddy.unaware

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.buddy.unaware

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.buddy.unaware

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.buddy.unaware

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.buddy.unaware

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.buddy.unaware

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.buddy.unaware

com.buddy.unaware
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).
- Requests modifying system settings.
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4321
- /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.buddy.unaware/app_soon/QcCOtg.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.buddy.unaware/app_soon/oat/x86/QcCOtg.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4347

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.buddy.unaware/app_soon/QcCOtg.json

Filesize
153KB

MD5
cec5c723951871294a3ae7c562d68686

SHA1
9c22021b4e2c81d876a4eafbe262380caa45640a

SHA256
19d0b3c1da21c63b6a1fd10c50ef5f3b9b4b630e47a113ee857b1bddd173bd15

SHA512
60cced84571f2b63bf213f3315d37c0d787c4b7e9ba35c430a9ce68b0c018ecf6d1f59ac6485a889554c4b99666b440ba7ae51f5268d86b3955be8a677e491eb

Download Submit
/data/data/com.buddy.unaware/app_soon/QcCOtg.json

Filesize
153KB

MD5
23276b0577f73e29409cebf31179098d

SHA1
68093b9473cca3f036bfdc6cf2b7956c87ed7dc1

SHA256
3691fc5710bf1d1b0fa286ab15a597078b0805e1fe94df783994b22bc6bf812e

SHA512
464bb041bedb35a6249db8b2edc5fd767eaa61ac128c031461ce417dc1d11a182437f9ef42c1eff7b0b50b657ec0242e4023fc2e4e6d47d4f896263cff846c3d

Download Submit
/data/user/0/com.buddy.unaware/app_soon/QcCOtg.json

Filesize
450KB

MD5
7d209289d304c513a98b5cb8d3c642ed

SHA1
ee4b617fcf4f49f13cd0e98fd977f706b93408fb

SHA256
50faf51f581584244b609ec9a6ddbb1a29c8c7ba15fdb98e91ab7396c2b1d12e

SHA512
fd451f1eed0bb7b0cb374e56c0f18c80fe10f777ad7fac03455eeb86facd32797c1f8574978ad70a39b21f66f86b7d23199ea0b7846afd9cbb52281821c4ddbc

Download Submit
/data/user/0/com.buddy.unaware/app_soon/QcCOtg.json

Filesize
450KB

MD5
d4f9b8196e587708e2998eca531bf16a

SHA1
626427f8c5b8c82d116b916fa056631e09a34812

SHA256
b0858c4b9db951aa7b7f119e3c7f10e6b1eaeb346b246785991099fb44572830

SHA512
78ddf079795904687f38dafb0fb1d82769365a9f4912438520666452d8b90f639c00ddead16b08422f63e68f53b9c13f6596ceeff4c3854b71a793e14269afd2

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads