octo | e273daa99f476e53d6c5ceb22476ea95924564eae2f210aa8ee00ed48f5fc4c4

Analysis

max time kernel
149s
max time network
151s
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
10-10-2024 22:08

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General

Target

e273daa99f476e53d6c5ceb22476ea95924564eae2f210aa8ee00ed48f5fc4c4.apk
Size

1.7MB
MD5

06e347cbe9ab6efab8183d9bdd36ebeb
SHA1

961c861315df4386154fcba52f2b35d78dde3c73
SHA256

e273daa99f476e53d6c5ceb22476ea95924564eae2f210aa8ee00ed48f5fc4c4
SHA512

8b39950637b61fee8d0eb5cab01f08fb9cdf0f5ed9dc4c562cf33c270ef380a3c0d194fcda89b410c3873d322c400bb85dd69ada3f8c893add9ba92a34070e6a
SSDEEP

49152:NXQ0S5VI8cmn6CQ3svCSvnDH5+wZpZtyMJatpf6K:NKm8PnM/SfIMZtspSK

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://teknolojideyeniliklervesontrendler.xyz/YjdkMWRjNTllNzZi/

https://dogalyasamvetatilonerileriniz.xyz/YjdkMWRjNTllNzZi/

https://sanatkulturvesosyalyasantavsiyeleri.xyz/YjdkMWRjNTllNzZi/

https://gezginlerinyenikesifvedeneyimleri.xyz/YjdkMWRjNTllNzZi/

https://oyunvedijitaldunyayakesfet.xyz/YjdkMWRjNTllNzZi/

https://yemektariflerivedogalbeslenme.xyz/YjdkMWRjNTllNzZi/

https://bilimveteknolojiprojelerehberi.xyz/YjdkMWRjNTllNzZi/

https://fotografvesanatcilaryolculugu.xyz/YjdkMWRjNTllNzZi/

https://modavesanatdunyasindakiyenilikler.xyz/YjdkMWRjNTllNzZi/

https://egitimvesosyalgelisimklavuzu.xyz/YjdkMWRjNTllNzZi/

https://yogavesporkocluguprogramlari.xyz/YjdkMWRjNTllNzZi/

https://bilgisayarveoyunseverlertavsiyeleri.xyz/YjdkMWRjNTllNzZi/

https://fotografvegezisoylesileriplatformu.xyz/YjdkMWRjNTllNzZi/

https://yarisvedigitalgelisimprojeleri.xyz/YjdkMWRjNTllNzZi/

https://yenifikirlervegirisimcilikplatformu.xyz/YjdkMWRjNTllNzZi/

https://sosyalmedyayonetimivegirisim.xyz/YjdkMWRjNTllNzZi/

https://sanatvetasarimdunyasiyenilikler.xyz/YjdkMWRjNTllNzZi/

https://bilimvegirisimcilikrotasinda.xyz/YjdkMWRjNTllNzZi/

https://dogadoganlaricinyasamtavsiyeleri.xyz/YjdkMWRjNTllNzZi/

https://gencgirisimcilericevirimdunyasi.xyz/YjdkMWRjNTllNzZi/

rc4.plain

Extracted

Family

octo

https://teknolojideyeniliklervesontrendler.xyz/YjdkMWRjNTllNzZi/

https://dogalyasamvetatilonerileriniz.xyz/YjdkMWRjNTllNzZi/

https://sanatkulturvesosyalyasantavsiyeleri.xyz/YjdkMWRjNTllNzZi/

https://gezginlerinyenikesifvedeneyimleri.xyz/YjdkMWRjNTllNzZi/

https://oyunvedijitaldunyayakesfet.xyz/YjdkMWRjNTllNzZi/

https://yemektariflerivedogalbeslenme.xyz/YjdkMWRjNTllNzZi/

https://bilimveteknolojiprojelerehberi.xyz/YjdkMWRjNTllNzZi/

https://fotografvesanatcilaryolculugu.xyz/YjdkMWRjNTllNzZi/

https://modavesanatdunyasindakiyenilikler.xyz/YjdkMWRjNTllNzZi/

https://egitimvesosyalgelisimklavuzu.xyz/YjdkMWRjNTllNzZi/

https://yogavesporkocluguprogramlari.xyz/YjdkMWRjNTllNzZi/

https://bilgisayarveoyunseverlertavsiyeleri.xyz/YjdkMWRjNTllNzZi/

https://fotografvegezisoylesileriplatformu.xyz/YjdkMWRjNTllNzZi/

https://yarisvedigitalgelisimprojeleri.xyz/YjdkMWRjNTllNzZi/

https://yenifikirlervegirisimcilikplatformu.xyz/YjdkMWRjNTllNzZi/

https://sosyalmedyayonetimivegirisim.xyz/YjdkMWRjNTllNzZi/

https://sanatvetasarimdunyasiyenilikler.xyz/YjdkMWRjNTllNzZi/

https://bilimvegirisimcilikrotasinda.xyz/YjdkMWRjNTllNzZi/

https://dogadoganlaricinyasamtavsiyeleri.xyz/YjdkMWRjNTllNzZi/

https://gencgirisimcilericevirimdunyasi.xyz/YjdkMWRjNTllNzZi/

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/4360-0.dex	family_octo
behavioral1/memory/4334-0.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
4334	com.cake.brief

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.cake.brief/app_insane/PCnofj.json	4360	/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.cake.brief/app_insane/PCnofj.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.cake.brief/app_insane/oat/x86/PCnofj.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.cake.brief/app_insane/PCnofj.json	4334	com.cake.brief

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.cake.brief
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.cake.brief

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.cake.brief

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.cake.brief

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.cake.brief
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.cake.brief
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.cake.brief
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.cake.brief

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.cake.brief

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.cake.brief

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.cake.brief

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.cake.brief

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.cake.brief

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.cake.brief

com.cake.brief
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:4334
- /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.cake.brief/app_insane/PCnofj.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.cake.brief/app_insane/oat/x86/PCnofj.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4360

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.cake.brief/app_insane/PCnofj.json

Filesize
153KB

MD5
208d496d529163d120887292d2c52975

SHA1
c44194b5be7e55ffd710dbd9ee3ba3e0132bab1f

SHA256
5f8ce197800df03a0b5cbd3b7a2f82da1f347fa7204ee3005e66368d8c214bc2

SHA512
9c8bb60719aa07252e2623c2a806f3fbb0299642a6ce713acb6605649d083e35990f6d472521467580ae78544c7c7734ab699f979095e9e9d634439afa8f9a49

Download Submit
/data/data/com.cake.brief/app_insane/PCnofj.json

Filesize
153KB

MD5
46de65a511fd44fbb2edda17c5b5f2bc

SHA1
2003edfc5cf80869fa1747e2a2ba02f04284ceba

SHA256
4a6f0b5028e8ded0cc94987f5117ce4756788452d2bafed72103e54c312549a6

SHA512
9d7aa4777862d24f62a431f9bfb6796c4dbb8a3a3f6964c4bf59d2767439145cb9e4009325afa05769362f2e1a8e38f422f1495f48cd63f54c4a76b4b3b73c32

Download Submit
/data/user/0/com.cake.brief/app_insane/PCnofj.json

Filesize
451KB

MD5
9f595be58d73f4db9330faa54fc15512

SHA1
6a326924ae933bcee60e6947f82c7c4b136acd6e

SHA256
91e54cb04427f1309aa44e6c3355f97c97c5f81af5fa314d2187b7d27c269d73

SHA512
644a3c2287625bea9e44145d304a00561b3a9e29fdb2ca3e113dd4604c13ca88e46d1cfd43f89598752626bb27be0186f1ceb81979e1d07e5510f6c063364ddc

Download Submit
/data/user/0/com.cake.brief/app_insane/PCnofj.json

Filesize
451KB

MD5
a1aa4c37161d8bad4c224f3602adbd98

SHA1
74b94c1ab177524178df0eae9d87b60abbab4e2a

SHA256
ba897df13626d67b93c5c185fef5477143c3b76166ab06de32bb56efd889c173

SHA512
c9e1e652a785ed317860e9ac899f75521901b1d1207b652133b39ef109f2322f287ee84da9694423e2498446e864c8e5171cd9742bf9090876896141d1ee4546

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads