octo | d73d846ee84e89edfb085d93c142520d025f071e9b94fc0f18524effbddf034c

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
23-01-2025 22:01

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General

Target

d73d846ee84e89edfb085d93c142520d025f071e9b94fc0f18524effbddf034c.apk
Size

2.3MB
MD5

5bd775398d39b33734db7abd63c2bd29
SHA1

04779b582dde1450886d04fcfeb7cfb12382e03a
SHA256

d73d846ee84e89edfb085d93c142520d025f071e9b94fc0f18524effbddf034c
SHA512

e3950dea2b103fb744ecf6ec38ff15fe81bdd7a325ca54a2eceb02a8a40a3ebc005689052c2165bb310fc82577c43ffeffc67ade0b4a26f7ad0edc1aa9996c32
SSDEEP

49152:4uOMJszChUUiHifeeb3J1gL4OxgxjI038DMrDhQnc4hzoMjf+Y22zucj:rVzJ1gLDgrXsc4qMj3Dj

Score

10^/10

octo banker collection credential_access defense_evasion discovery evasion impact infostealer persistence rat stealth 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 2 IoCs

resource	yara_rule
behavioral1/memory/4243-0.dex	family_octo
behavioral1/memory/4217-0.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
4217	com.miss.primary

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.miss.primary/app_dentist/oGZk.json	4243	/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.miss.primary/app_dentist/oGZk.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.miss.primary/app_dentist/oat/x86/oGZk.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.miss.primary/app_dentist/oGZk.json	4217	com.miss.primary

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.miss.primary
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.miss.primary

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.miss.primary

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.miss.primary

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.miss.primary
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.miss.primary
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.miss.primary
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.miss.primary

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.miss.primary

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.miss.primary

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.miss.primary

Requests modifying system settings. 1 IoCs

defense_evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.miss.primary

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.miss.primary

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.miss.primary

com.miss.primary
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:4217
- /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.miss.primary/app_dentist/oGZk.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.miss.primary/app_dentist/oat/x86/oGZk.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4243

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.miss.primary/app_dentist/oGZk.json

Filesize
153KB

MD5
fe667a701630e7650d0c74d0ab6b2dd2

SHA1
bd973d51e54fc517e730695ddd3e16cab9be5207

SHA256
a7d814248893d7ce3a8de39942c79c4e7d8eb007199f7bbaac3160ab44cd0726

SHA512
4d363ad8e10630e964fb0ac7300f5eb62b0c6103f809a444f1b60f4c2b07b11ffbd669afee38367c629310b3f4a9be520175dd25b6fd9090d3ffeb599ec6e5c5

Download Submit
/data/data/com.miss.primary/app_dentist/oGZk.json

Filesize
153KB

MD5
9157b3f475850ead1d080f8a667e2bcc

SHA1
b6acf25cf657aadf66ebfedfb0ef92b7c0eba669

SHA256
cef9acb2ed398f153f659a1fe42d0a6977dfd6e8cd99d5780b54eecce47bfe93

SHA512
b50506af320a665011ae40f33cee87971ec39e45e7d14e6b444154f5987b2e766f1e9219e986146734caa8e5ded3e1d4dad002b5ff0f8c801b989cedc68e85bc

Download Submit
/data/user/0/com.miss.primary/app_dentist/oGZk.json

Filesize
450KB

MD5
b59f081a35845c478a6651bddf3a81ea

SHA1
15bb1ebe76fa5b094ced8b3392a728037c6a3c02

SHA256
728f87e4aa8077a3c51f98b2ef1aeca3787637aca69e547d5e0e25403ab1e848

SHA512
2889ba0dff844f94ce35f4c7716816d663caa3bda4e0d3020801478ccf0c2dac2b0b8b8146e17e74d4e250467fbedf48019771de292fe8a19e3c992478727cb3

Download Submit
/data/user/0/com.miss.primary/app_dentist/oGZk.json

Filesize
450KB

MD5
de8c715b3bbfdc95809c2408aa2bbc39

SHA1
2f7be3ca468796d619c5466bb737a1337ed15b80

SHA256
15d8adb208b6ab22234bb5c04d8e5c45c6cca8fc48a264dbf0a8749574b7fd30

SHA512
dd4431f869eda05fb13d699cdf8f6e94af2b536bd090fc22693ffe453aa18ffcc2735c21374bf33776440acb19f2640d80ed6ff0622409829bb1cab2332e2938

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads