octo | 3c739b48f8654aa3128d31baa84ac8e76a4b109c37e0b2981611aaee798bd77b

Analysis

max time kernel
149s
max time network
149s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
11-01-2025 22:06

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General

Target

3c739b48f8654aa3128d31baa84ac8e76a4b109c37e0b2981611aaee798bd77b.apk
Size

2.7MB
MD5

ea00ee2445ec1eac51cdfa58251d680b
SHA1

f72f91be1ec1b21cfd7e53ca23e693c998ba6ba3
SHA256

3c739b48f8654aa3128d31baa84ac8e76a4b109c37e0b2981611aaee798bd77b
SHA512

aabbbf1312eed16150bf2750ae896387103496d6de7137862f84b1d829bbaf0adc299d132d8272af07e35be9556177e862f7b09966f89e72fdf1e91588dd4dc4
SSDEEP

49152:17tMHiEA3rb93NUahK5FWA8x2tbm4b3l0pPN8d/4p4jTKtsgm5AdZyRCIYbAuNkZ:hEA3/93N5hsFWA8xx4iNKd/7jTKp9dZO

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://kaderotunikisiliksirlari.xyz/YzNlNTRkYjIzODRi/

https://kaderotuyoreselhikayeler.xyz/YzNlNTRkYjIzODRi/

https://kaderotununeskilerehberi.xyz/YzNlNTRkYjIzODRi/

https://kaderotununanlamveonemi.xyz/YzNlNTRkYjIzODRi/

https://dogalvetazesirkaderotu.xyz/YzNlNTRkYjIzODRi/

https://kaderotudunyasinefsaneleri.xyz/YzNlNTRkYjIzODRi/

https://kaderotuvesifalibitkiler.xyz/YzNlNTRkYjIzODRi/

https://kaderotundogalsirlari.xyz/YzNlNTRkYjIzODRi/

https://anadolununilacsikaderotu.xyz/YzNlNTRkYjIzODRi/

https://kaderotuylaedilmisiyilikler.xyz/YzNlNTRkYjIzODRi/

https://kaderotundanyenitarifler.xyz/YzNlNTRkYjIzODRi/

https://dogalsehirlikaderotu.xyz/YzNlNTRkYjIzODRi/

https://kaderotununmistiketkisi.xyz/YzNlNTRkYjIzODRi/

https://kaderotutarifvesunumu.xyz/YzNlNTRkYjIzODRi/

https://kaderotuyadogalcozum.xyz/YzNlNTRkYjIzODRi/

https://kaderotuyolcususirlari.xyz/YzNlNTRkYjIzODRi/

https://kaderotukulturvetarih.xyz/YzNlNTRkYjIzODRi/

https://kaderotuyalifelsefesi.xyz/YzNlNTRkYjIzODRi/

https://kaderotudunyasininrenkleri.xyz/YzNlNTRkYjIzODRi/

https://kaderotuvebitkiselyasam.xyz/YzNlNTRkYjIzODRi/

rc4.plain

Extracted

Family

octo

https://kaderotunikisiliksirlari.xyz/YzNlNTRkYjIzODRi/

https://kaderotuyoreselhikayeler.xyz/YzNlNTRkYjIzODRi/

https://kaderotununeskilerehberi.xyz/YzNlNTRkYjIzODRi/

https://kaderotununanlamveonemi.xyz/YzNlNTRkYjIzODRi/

https://dogalvetazesirkaderotu.xyz/YzNlNTRkYjIzODRi/

https://kaderotudunyasinefsaneleri.xyz/YzNlNTRkYjIzODRi/

https://kaderotuvesifalibitkiler.xyz/YzNlNTRkYjIzODRi/

https://kaderotundogalsirlari.xyz/YzNlNTRkYjIzODRi/

https://anadolununilacsikaderotu.xyz/YzNlNTRkYjIzODRi/

https://kaderotuylaedilmisiyilikler.xyz/YzNlNTRkYjIzODRi/

https://kaderotundanyenitarifler.xyz/YzNlNTRkYjIzODRi/

https://dogalsehirlikaderotu.xyz/YzNlNTRkYjIzODRi/

https://kaderotununmistiketkisi.xyz/YzNlNTRkYjIzODRi/

https://kaderotutarifvesunumu.xyz/YzNlNTRkYjIzODRi/

https://kaderotuyadogalcozum.xyz/YzNlNTRkYjIzODRi/

https://kaderotuyolcususirlari.xyz/YzNlNTRkYjIzODRi/

https://kaderotukulturvetarih.xyz/YzNlNTRkYjIzODRi/

https://kaderotuyalifelsefesi.xyz/YzNlNTRkYjIzODRi/

https://kaderotudunyasininrenkleri.xyz/YzNlNTRkYjIzODRi/

https://kaderotuvebitkiselyasam.xyz/YzNlNTRkYjIzODRi/

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/5004-0.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.harbor.salmon/app_manage/aSnjiS.json	5004	com.harbor.salmon

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.harbor.salmon
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.harbor.salmon

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.harbor.salmon

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.harbor.salmon

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.harbor.salmon
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.harbor.salmon
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.harbor.salmon
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.harbor.salmon

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.harbor.salmon

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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.harbor.salmon

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.harbor.salmon

com.harbor.salmon
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)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:5004

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

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

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

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/data/com.harbor.salmon/app_manage/aSnjiS.json

Filesize
153KB

MD5
96a8117cca8136d4cfd0daa89573e1a2

SHA1
f0d8b5d2fdd0c782a391024a2855db0ea7bf4456

SHA256
47752c96ba8036b1a591e8d83e6bccdc498da94d1e2cee5d1e6bcddfeb8681d0

SHA512
8dc8b1791b47a38d8e3840cd0a70475507f0c40fd3a393b4f0241276b8e18bafa9e16814f10123c91f2c0e789bb3a8259af3827dee1619adf64ec3e3d87f649e

Download Submit
/data/data/com.harbor.salmon/app_manage/aSnjiS.json

Filesize
153KB

MD5
28b9f9f4470b4079d88a85b6aebad568

SHA1
d833cb1efdaae75f05e6c817931bfc3b214c3283

SHA256
f781656c62faab32a7239399c01c9a08286ca2b13fc820324b85c499aa2dd039

SHA512
60058419baf7dde5115c8b3775e22a2e24b62d9901684367401082603af181d83774ed1946f266e61b0cae8cb7ba5000220047e070f2feb2040f1b2c0fac030f

Download Submit
/data/user/0/com.harbor.salmon/app_manage/aSnjiS.json

Filesize
450KB

MD5
2b055f9bd335fe3c3a023cae453fe342

SHA1
2aa35a15b50468a3bed0eb333b1fefc3c1521f86

SHA256
934ab8cccec26a81b6e046a77a8c9891643fa76055955a66c0c3f6fa725e8c6a

SHA512
43d34f729c696101fa4794e1b75a56c82de6e6dc05378dd4d8ade534bce705067d279e49f50bd8817a1a59f0db68b2a74efd53ccc7fa2a74572f76fcb04af8f4

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads