octo | 4bbf6815a1dfe2f7e1d8030a709f604d6c206611110f77cb8baf7b149bbdf692

Analysis

max time kernel
148s
max time network
160s
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
08-01-2025 22:01

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General

Target

4bbf6815a1dfe2f7e1d8030a709f604d6c206611110f77cb8baf7b149bbdf692.apk
Size

1.6MB
MD5

29207d29119aba2844d58e1454a49467
SHA1

6f133b0b5e07be9a303bd38ef73175914af9e727
SHA256

4bbf6815a1dfe2f7e1d8030a709f604d6c206611110f77cb8baf7b149bbdf692
SHA512

b996c6f165f13c9ccb6270ac6a93a3e7fe28919bc0d5c5decc101044471ae8514e3909ddd78fd0177672ac48fddb223f600027db11dc47583400e8686b482f41
SSDEEP

49152:PI+TSlqwvIw5wdaTGv+9OEKHgKs6MzlBno9cPDMg1rfn:g+TSswvIw5w0TGv+cEagHHoi7M0v

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://yesmincanruslane.xyz/YjVmNGU0NmNhODlm/

https://kaderbaglantilarindayanisma.xyz/YjVmNGU0NmNhODlm/

https://sevgikadervedostlukhikayesi.xyz/YjVmNGU0NmNhODlm/

https://kaderseverleryolculuknotlari.xyz/YjVmNGU0NmNhODlm/

https://kadersohbetleriilepaylasim.xyz/YjVmNGU0NmNhODlm/

https://kaderinyansimalarindankareler.xyz/YjVmNGU0NmNhODlm/

https://kaderduygularivebaglantilar.xyz/YjVmNGU0NmNhODlm/

https://kadersevgininkalptenhikayesi.xyz/YjVmNGU0NmNhODlm/

https://kaderdostlukvegizemlianilar.xyz/YjVmNGU0NmNhODlm/

https://kadersozlerlehikayeveriyor.xyz/YjVmNGU0NmNhODlm/

https://kaderlerarasisamimiuyum.xyz/YjVmNGU0NmNhODlm/

https://kaderduygusalbagvetutkular.xyz/YjVmNGU0NmNhODlm/

https://kaderseverlerinrenklidunyasi.xyz/YjVmNGU0NmNhODlm/

https://kadersanatisozlerdeninsanlara.xyz/YjVmNGU0NmNhODlm/

https://kadersevgiyletasanumut.xyz/YjVmNGU0NmNhODlm/

https://kaderseverlerpaylasimbahcesi.xyz/YjVmNGU0NmNhODlm/

https://kaderdostlarivehayatbaglari.xyz/YjVmNGU0NmNhODlm/

https://kadersanatinrenkligolgeleri.xyz/YjVmNGU0NmNhODlm/

https://kaderinhayatdolasimbirligi.xyz/YjVmNGU0NmNhODlm/

https://kaderinsadekalptenyansimalari.xyz/YjVmNGU0NmNhODlm/

rc4.plain

Extracted

Family

octo

https://yesmincanruslane.xyz/YjVmNGU0NmNhODlm/

https://kaderbaglantilarindayanisma.xyz/YjVmNGU0NmNhODlm/

https://sevgikadervedostlukhikayesi.xyz/YjVmNGU0NmNhODlm/

https://kaderseverleryolculuknotlari.xyz/YjVmNGU0NmNhODlm/

https://kadersohbetleriilepaylasim.xyz/YjVmNGU0NmNhODlm/

https://kaderinyansimalarindankareler.xyz/YjVmNGU0NmNhODlm/

https://kaderduygularivebaglantilar.xyz/YjVmNGU0NmNhODlm/

https://kadersevgininkalptenhikayesi.xyz/YjVmNGU0NmNhODlm/

https://kaderdostlukvegizemlianilar.xyz/YjVmNGU0NmNhODlm/

https://kadersozlerlehikayeveriyor.xyz/YjVmNGU0NmNhODlm/

https://kaderlerarasisamimiuyum.xyz/YjVmNGU0NmNhODlm/

https://kaderduygusalbagvetutkular.xyz/YjVmNGU0NmNhODlm/

https://kaderseverlerinrenklidunyasi.xyz/YjVmNGU0NmNhODlm/

https://kadersanatisozlerdeninsanlara.xyz/YjVmNGU0NmNhODlm/

https://kadersevgiyletasanumut.xyz/YjVmNGU0NmNhODlm/

https://kaderseverlerpaylasimbahcesi.xyz/YjVmNGU0NmNhODlm/

https://kaderdostlarivehayatbaglari.xyz/YjVmNGU0NmNhODlm/

https://kadersanatinrenkligolgeleri.xyz/YjVmNGU0NmNhODlm/

https://kaderinhayatdolasimbirligi.xyz/YjVmNGU0NmNhODlm/

https://kaderinsadekalptenyansimalari.xyz/YjVmNGU0NmNhODlm/

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/4359-0.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.helmet.busy

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.helmet.busy/app_rookie/CsyPpj.json	4359	/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.helmet.busy/app_rookie/CsyPpj.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.helmet.busy/app_rookie/oat/x86/CsyPpj.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.helmet.busy/app_rookie/CsyPpj.json	4334	com.helmet.busy

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.helmet.busy
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.helmet.busy

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.helmet.busy

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.helmet.busy

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.helmet.busy
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.helmet.busy
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.helmet.busy
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.helmet.busy

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.helmet.busy

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.helmet.busy

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.helmet.busy

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.helmet.busy

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.helmet.busy

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.helmet.busy

com.helmet.busy
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.helmet.busy/app_rookie/CsyPpj.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.helmet.busy/app_rookie/oat/x86/CsyPpj.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4359

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.helmet.busy/app_rookie/CsyPpj.json

Filesize
153KB

MD5
0c00c7be77fad4cde1f57bf9eecb9585

SHA1
01729cc13f66d80131579bc9c349dc649aceb094

SHA256
8272a24773d13a84656e0b71384fec03c1472d19a0f8d4516c52cba6cc2a5ca5

SHA512
1ac3024559a8ef9dd139c3befb306c5ef8449eab9c4272b9050117c034fad27baa72dca596a575d0dbd35e231f1b96380940f5133353b5996862729f54622650

Download Submit
/data/data/com.helmet.busy/app_rookie/CsyPpj.json

Filesize
153KB

MD5
cfc00d4c675acbed325407893bb121f5

SHA1
7099ce2bedd30e70935e6dd9f6060ab14a13ff3a

SHA256
599ded5b3916c04e7de95e942a7678b6ab22d1464c0dd0397c298c90d669289f

SHA512
d195d4a19e27a8cb8b142273b54f4b8797e3a5ab458126a273a69cc38ae0f315ae94fce65b5bb0ac22410d1bbb466a6e71909f0fcbadf69bf498f09846739b0b

Download Submit
/data/user/0/com.helmet.busy/app_rookie/CsyPpj.json

Filesize
451KB

MD5
febda5067baff8f6aed70b5ed294e48a

SHA1
4612c0acd516b1def30cdf75602396769cd2f199

SHA256
fe5c2af59f2f78a9872ecfb6a9c0a607e6bfdd1935d8fc11638ae8237e3f6f47

SHA512
ed2dc7f9c296d317eda2704427009be8994509dc34151a48888a1613a8c89c273c57900c90017d41de0a666090e41a4ca73c2090c7e04af258ee215d0777a329

Download Submit
/data/user/0/com.helmet.busy/app_rookie/CsyPpj.json

Filesize
451KB

MD5
e650b59d966c9eb6dd7e32de40d3d855

SHA1
3d0f0c12c502608fa127eaaaa38b56b590ba0eb9

SHA256
d57e6c7bd76fc5ea9d2ea370db308d6138608a099c761a43c9ef64d6f99d0cdc

SHA512
576e1073954e92bf6aa52c0f0100e10d0a08292faf7fd7f70e5f05011b134793343d7bbb1f4e2dcb80541e6fbabb2232918b33907b2c0c0b0a905849532ed1cb

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads