octo | 3c739b48f8654aa3128d31baa84ac8e76a4b109c37e0b2981611aaee798bd77b

Analysis

max time kernel
39s
max time network
142s
platform
android_x86
resource
android-x86-arm-20240624-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
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 stealth 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 2 IoCs

resource	yara_rule
behavioral1/memory/4300-0.dex	family_octo
behavioral1/memory/4272-0.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
4272	com.harbor.salmon

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.harbor.salmon/app_manage/aSnjiS.json	4300	/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.harbor.salmon/app_manage/aSnjiS.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.harbor.salmon/app_manage/oat/x86/aSnjiS.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.harbor.salmon/app_manage/aSnjiS.json	4272	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

Queries the unique device ID (IMEI, MEID, IMSI) 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.harbor.salmon

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.harbor.salmon

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.harbor.salmon

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⤵
- 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:4272
- /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.harbor.salmon/app_manage/aSnjiS.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.harbor.salmon/app_manage/oat/x86/aSnjiS.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4300

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.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
048e54967bdc029b277a99dc19905a5a

SHA1
59ac9033c5b132c4652c3f0e0576402ab7b5a447

SHA256
dde936a5436c44bbf62dec984560b4fdbb1d66d03bcbdbec8394d7d9f26386cf

SHA512
990d43ad3ed7854e7f28a47cf2099862e94dfebf42964024a5a51ce771e4484b8bcb25245ff5e249d34f09fef48571d6bbe7520601bba1fc40aaa387258c74c8

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