octo | 6e7c35af897e4588436908323c6cd17c516d55fa1b8eb546188c4fc25464f038

Analysis

max time kernel
147s
max time network
152s
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
15-01-2025 22:05

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General

Target

6e7c35af897e4588436908323c6cd17c516d55fa1b8eb546188c4fc25464f038.apk
Size

3.3MB
MD5

76b0dab1671a2c005238427525097dad
SHA1

82ccdf0be122a9b0872b3f8b8ddb3c9bd3114426
SHA256

6e7c35af897e4588436908323c6cd17c516d55fa1b8eb546188c4fc25464f038
SHA512

ecff0ef1d0a100606cf2e24dbc8af728a4022386c4ff578064eae019c1a872bdcce8900f04e0766ef3142a61bfd67b5d9c916d2b5a81581da4d8bae06fbaa3e5
SSDEEP

98304:S+Ld/nxIIrn8qGtdOLITlIhubbU4HoBreRRZCthNyXQ7g2Ts24BuDuxAwBt5l:YtMbykNy7n

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://ruceayipma.xyz/YjVmNGU0NmNhODlm/

https://yapayzekaisyanlari.xyz/YjVmNGU0NmNhODlm/

https://makineordulariyukseliyor.xyz/YjVmNGU0NmNhODlm/

https://teknolojinisyanhikayesi.xyz/YjVmNGU0NmNhODlm/

https://robotkorsanlargeliyor.xyz/YjVmNGU0NmNhODlm/

https://dunyayirobotlarkapliyor.xyz/YjVmNGU0NmNhODlm/

https://mekanikordularinintikam.xyz/YjVmNGU0NmNhODlm/

https://otomasyonkalesindemucadele.xyz/YjVmNGU0NmNhODlm/

https://robotlarvemakineisyanlari.xyz/YjVmNGU0NmNhODlm/

https://teknolojikseferberlik.xyz/YjVmNGU0NmNhODlm/

https://yapayordularinhikayesi.xyz/YjVmNGU0NmNhODlm/

https://makinevekodisyancilari.xyz/YjVmNGU0NmNhODlm/

https://mekanikorduyolculugu.xyz/YjVmNGU0NmNhODlm/

https://robotikturunculer.xyz/YjVmNGU0NmNhODlm/

https://mekanikisyanveteknoloji.xyz/YjVmNGU0NmNhODlm/

https://makineuyanikaynaklari.xyz/YjVmNGU0NmNhODlm/

https://mekanikseferisyani.xyz/YjVmNGU0NmNhODlm/

https://yapayzekauyanislari.xyz/YjVmNGU0NmNhODlm/

https://robotinsanvedunyavasfi.xyz/YjVmNGU0NmNhODlm/

https://dunyayisaranmekanik.xyz/YjVmNGU0NmNhODlm/

rc4.plain

Extracted

Family

octo

https://ruceayipma.xyz/YjVmNGU0NmNhODlm/

https://yapayzekaisyanlari.xyz/YjVmNGU0NmNhODlm/

https://makineordulariyukseliyor.xyz/YjVmNGU0NmNhODlm/

https://teknolojinisyanhikayesi.xyz/YjVmNGU0NmNhODlm/

https://robotkorsanlargeliyor.xyz/YjVmNGU0NmNhODlm/

https://dunyayirobotlarkapliyor.xyz/YjVmNGU0NmNhODlm/

https://mekanikordularinintikam.xyz/YjVmNGU0NmNhODlm/

https://otomasyonkalesindemucadele.xyz/YjVmNGU0NmNhODlm/

https://robotlarvemakineisyanlari.xyz/YjVmNGU0NmNhODlm/

https://teknolojikseferberlik.xyz/YjVmNGU0NmNhODlm/

https://yapayordularinhikayesi.xyz/YjVmNGU0NmNhODlm/

https://makinevekodisyancilari.xyz/YjVmNGU0NmNhODlm/

https://mekanikorduyolculugu.xyz/YjVmNGU0NmNhODlm/

https://robotikturunculer.xyz/YjVmNGU0NmNhODlm/

https://mekanikisyanveteknoloji.xyz/YjVmNGU0NmNhODlm/

https://makineuyanikaynaklari.xyz/YjVmNGU0NmNhODlm/

https://mekanikseferisyani.xyz/YjVmNGU0NmNhODlm/

https://yapayzekauyanislari.xyz/YjVmNGU0NmNhODlm/

https://robotinsanvedunyavasfi.xyz/YjVmNGU0NmNhODlm/

https://dunyayisaranmekanik.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/4270-0.dex	family_octo
behavioral1/memory/4243-0.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
4243	com.hawk.ski

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.hawk.ski/app_buddy/nRIIE.json	4270	/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.hawk.ski/app_buddy/nRIIE.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.hawk.ski/app_buddy/oat/x86/nRIIE.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.hawk.ski/app_buddy/nRIIE.json	4243	com.hawk.ski

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.hawk.ski
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.hawk.ski

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.hawk.ski

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.hawk.ski

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.hawk.ski
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.hawk.ski
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.hawk.ski
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.hawk.ski

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.hawk.ski

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.hawk.ski

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.hawk.ski

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.hawk.ski

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.hawk.ski

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.hawk.ski

com.hawk.ski
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: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.hawk.ski/app_buddy/nRIIE.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.hawk.ski/app_buddy/oat/x86/nRIIE.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4270

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.hawk.ski/app_buddy/nRIIE.json

Filesize
153KB

MD5
3fb1cb0d441d9f16ffe480065e022963

SHA1
1c7dd34c55d8c268ed577c6cd1eb2bde4eaaacf1

SHA256
e188920dc948d64193955c2986f7d7b57d8e3939c27f05b2c1724051ebd2582b

SHA512
f3e2140b9f7e0515593be55ac2778316196c7ab9c254aa523848c0d5d0cb0b6ffdfc8dd9717ae9c83d055ec1c257f506477542e4e84f7c449fdff8f22f797588

Download Submit
/data/data/com.hawk.ski/app_buddy/nRIIE.json

Filesize
153KB

MD5
c87096496f94b7a5d19222bf45123f12

SHA1
5f51501f952d02294efad52ad5477e2d92d0f38e

SHA256
1f4606a52329063cd0d07231fe6001206f421d14cc92f05f5c7d7ed7012b308f

SHA512
89c293b55055b64e6ce4f9d973802088a1113ce62bb238698457b4db7ca58d6b90385042d22e579f0dc6723a1b7b7c78d78ceea7906f65b3191e28fede08f755

Download Submit
/data/user/0/com.hawk.ski/app_buddy/nRIIE.json

Filesize
450KB

MD5
81485b587010f5615d5176dedb3b198f

SHA1
9e183582516503293e284f3c281dba4582e10467

SHA256
2b8625ab46f7845c671c23e21a6e7841e7ad9b55434a4e7c836432b5f88b81aa

SHA512
6287671a88409b8a2c7868cfa4d82ad31ddf68ccc00ec0923cf1f0ac34bd4c0748fb5e4a181bd72f45e747444dfd6e3512f7fbbfd9c49ea555bf1d0f1e64c7b1

Download Submit
/data/user/0/com.hawk.ski/app_buddy/nRIIE.json

Filesize
450KB

MD5
f0c8f3b00e5855494c70525f1dbf9c2e

SHA1
df5e42b730ace3fbdf45b2549fea9eb3a987937d

SHA256
e07164b041c80f8eee5a50b803207cd7812ba0cc50961722b1f3da6d9a4e95ae

SHA512
573bd140eedee2148c9a46f151ae8c7a0a47ed2358e87534f572b2d3bf7793ecb3fcaad9ae441a608719380f7605ebbc887b7eaebb5e64e8b02dd0d2f16a7f09

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads