octo | dd9ee2c4eb65c7ee40647b8cf716fa4817f258bf81ee32478c536ba06cb1f8f5

Analysis

max time kernel
149s
max time network
152s
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
24-12-2024 22:00

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General

Target

dd9ee2c4eb65c7ee40647b8cf716fa4817f258bf81ee32478c536ba06cb1f8f5.apk
Size

3.1MB
MD5

35fcb435681f4268c10d5d474691b899
SHA1

08bee80094047cb829f600f6b746bec6df15f413
SHA256

dd9ee2c4eb65c7ee40647b8cf716fa4817f258bf81ee32478c536ba06cb1f8f5
SHA512

20cabb5c2d7761a4f1ff0a635dc20bd4f576fa7894f5f0224af21393eafb67f9fdee8fb229f12a05c3b7786df7dd5471a462d02f0a073812df3dfcc232e10e39
SSDEEP

98304:/y3fuaCrREh+JwpqvvnrmNszSEWomXtA46Diwu9:WfJCrREh+awHrm6OEWomXt7z9

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://karateustalariningizemlisan.xyz/MTk5MTQ4ZGNkMDBi/

https://karateyolcususamuraidurusu.xyz/MTk5MTQ4ZGNkMDBi/

https://karatefelsefesininizleri.xyz/MTk5MTQ4ZGNkMDBi/

https://dojovekaretekahramanlari.xyz/MTk5MTQ4ZGNkMDBi/

https://karatesanatvesavasustasi.xyz/MTk5MTQ4ZGNkMDBi/

https://samuraivekarateduruslari.xyz/MTk5MTQ4ZGNkMDBi/

https://karatedoguveteoribilgileri.xyz/MTk5MTQ4ZGNkMDBi/

https://karateantrenmanvesanat.xyz/MTk5MTQ4ZGNkMDBi/

https://karetecininkusursuzvurus.xyz/MTk5MTQ4ZGNkMDBi/

https://kareteharaketveteknik.xyz/MTk5MTQ4ZGNkMDBi/

https://savassanatlarinindunyasi.xyz/MTk5MTQ4ZGNkMDBi/

https://karateustalaringizemlibilgisi.xyz/MTk5MTQ4ZGNkMDBi/

https://dojoyolundagecenanilar.xyz/MTk5MTQ4ZGNkMDBi/

https://karatetarihvesanatustalari.xyz/MTk5MTQ4ZGNkMDBi/

https://karateustalikursunumetodu.xyz/MTk5MTQ4ZGNkMDBi/

https://karatekahramankitalarustasi.xyz/MTk5MTQ4ZGNkMDBi/

https://samuraikavramvesanatifelsefe.xyz/MTk5MTQ4ZGNkMDBi/

https://karateevrenselustalikbilgisi.xyz/MTk5MTQ4ZGNkMDBi/

https://karatekapsamlisanatustalari.xyz/MTk5MTQ4ZGNkMDBi/

https://dojotarihiyolundandegisime.xyz/MTk5MTQ4ZGNkMDBi/

rc4.plain

Extracted

Family

octo

https://karateustalariningizemlisan.xyz/MTk5MTQ4ZGNkMDBi/

https://karateyolcususamuraidurusu.xyz/MTk5MTQ4ZGNkMDBi/

https://karatefelsefesininizleri.xyz/MTk5MTQ4ZGNkMDBi/

https://dojovekaretekahramanlari.xyz/MTk5MTQ4ZGNkMDBi/

https://karatesanatvesavasustasi.xyz/MTk5MTQ4ZGNkMDBi/

https://samuraivekarateduruslari.xyz/MTk5MTQ4ZGNkMDBi/

https://karatedoguveteoribilgileri.xyz/MTk5MTQ4ZGNkMDBi/

https://karateantrenmanvesanat.xyz/MTk5MTQ4ZGNkMDBi/

https://karetecininkusursuzvurus.xyz/MTk5MTQ4ZGNkMDBi/

https://kareteharaketveteknik.xyz/MTk5MTQ4ZGNkMDBi/

https://savassanatlarinindunyasi.xyz/MTk5MTQ4ZGNkMDBi/

https://karateustalaringizemlibilgisi.xyz/MTk5MTQ4ZGNkMDBi/

https://dojoyolundagecenanilar.xyz/MTk5MTQ4ZGNkMDBi/

https://karatetarihvesanatustalari.xyz/MTk5MTQ4ZGNkMDBi/

https://karateustalikursunumetodu.xyz/MTk5MTQ4ZGNkMDBi/

https://karatekahramankitalarustasi.xyz/MTk5MTQ4ZGNkMDBi/

https://samuraikavramvesanatifelsefe.xyz/MTk5MTQ4ZGNkMDBi/

https://karateevrenselustalikbilgisi.xyz/MTk5MTQ4ZGNkMDBi/

https://karatekapsamlisanatustalari.xyz/MTk5MTQ4ZGNkMDBi/

https://dojotarihiyolundandegisime.xyz/MTk5MTQ4ZGNkMDBi/

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 2 IoCs

resource	yara_rule
behavioral1/memory/4249-0.dex	family_octo
behavioral1/memory/4224-0.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
4224	com.apart.vintage

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.apart.vintage/app_frown/guYg.json	4249	/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.apart.vintage/app_frown/guYg.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.apart.vintage/app_frown/oat/x86/guYg.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.apart.vintage/app_frown/guYg.json	4224	com.apart.vintage

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.apart.vintage
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.apart.vintage

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.apart.vintage

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.apart.vintage

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.apart.vintage
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.apart.vintage
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.apart.vintage
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.apart.vintage

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.apart.vintage

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.apart.vintage

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.apart.vintage

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.apart.vintage

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.apart.vintage

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.apart.vintage

com.apart.vintage
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:4224
- /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.apart.vintage/app_frown/guYg.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.apart.vintage/app_frown/oat/x86/guYg.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4249

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.apart.vintage/app_frown/guYg.json

Filesize
153KB

MD5
e25f88d57ae8fbebce64f5e86ec2e462

SHA1
ad4e6431e6088a79fe54c4cbae9d6034c81dac61

SHA256
a500c44b9ca0277bce013ab07dcf9653160d8ac751763dbaf5c6e0dcf0f330f5

SHA512
8a1ce19c5d24693b5bf5335296ea6e1c3b75ff671764b07ce3d88d0557e4c54cb4b404179a9d8385053e074eb218d987bd5816179727dbf06774853f0abf8eb3

Download Submit
/data/data/com.apart.vintage/app_frown/guYg.json

Filesize
153KB

MD5
7b4e13bfecd4bcbcea5a0106a267e2a5

SHA1
a2fb6d837cfba9eeef67e1899beaa74f52036fe1

SHA256
8a9fbe91fa4f9ba16ff8f8386cb8e9fb7f56c8e3a3f9aad58411a3d81f5005d1

SHA512
c3fe0dfe095f1fdc8382b639fbef8fbc74004b4422e4e0181462311fb638322f3ddc3af6e2ce3e0adac6d50be3b8d1dcd22e4b1316dba21332a35988ae0a88f1

Download Submit
/data/user/0/com.apart.vintage/app_frown/guYg.json

Filesize
451KB

MD5
b58580e77dc3549c9c784999d6a3d4b3

SHA1
4b2013daeb0275d303be6fcd58b37924c125f5ea

SHA256
1d90e8138f12b5882de61c7313d6470eee2a65985d11330f7da44d5fba43a03e

SHA512
287a06f8124acf9c62ad6401eec06b93293cebdc3efd0c70af2f01e6e162b47b039aa58ec9909eab44e3ce441910c4f7aa345b6f5b661bee28258de57f95fa25

Download Submit
/data/user/0/com.apart.vintage/app_frown/guYg.json

Filesize
451KB

MD5
3d11f6710a3ccba5fc676f7d9ece9e20

SHA1
1594570c6d69382c5e685e1ea6ea7b72b2d1866c

SHA256
542052dc53c7b564d4a51cc1558581733a300c69c24c6abe49c91b4af7c4cc30

SHA512
e7236bbbb0840cc68a126db4e72ee27565fd87bf8671c553830115e1612d19f3127562b6d9a51a6dccc3fb8a67e30ee5caa8ccc73e6ed47325ed77c757594a65

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads