octo | 3788adef3f7a7e37f0667ed6ab12e516130ab63ccafc1664c7cd65d86e742798

Analysis

max time kernel
149s
max time network
150s
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
08/09/2024, 22:23

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General

Target

3788adef3f7a7e37f0667ed6ab12e516130ab63ccafc1664c7cd65d86e742798.apk
Size

1.9MB
MD5

d5bceab8bd03a1eeddd81489f3049c8b
SHA1

04f2527ffd338e8193a685bb44b27d034556f351
SHA256

3788adef3f7a7e37f0667ed6ab12e516130ab63ccafc1664c7cd65d86e742798
SHA512

c3403a29cf2b71b2391ec6c20d8aa3479cc465b280334f363c33a6fcbdaf87591122808159b7559bfb7a91bb57d42e7ffde72d2d25b48c8638e6eff77a4a5e80
SSDEEP

49152:P1wZhuY8R2ncO4PM15cKLkUkYd3rFqX64xYfQheOV:4sR2cbPccOyYd3rFcDh/V

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://genisaperdeler.xyz/YjdkMWRjNTllNzZi/

https://enerjikcocukoyunlari.xyz/YjdkMWRjNTllNzZi/

https://yeniakillitelefonlar.xyz/YjdkMWRjNTllNzZi/

https://evinizicinsanat.xyz/YjdkMWRjNTllNzZi/

https://baharatcesitlerivekullanimi.xyz/YjdkMWRjNTllNzZi/

https://gezginlericintavsiyeler.xyz/YjdkMWRjNTllNzZi/

https://modernmutfakgadgetlari.xyz/YjdkMWRjNTllNzZi/

https://aktifsporaksesuarlari.xyz/YjdkMWRjNTllNzZi/

https://evdeyogaegitimi.xyz/YjdkMWRjNTllNzZi/

https://organikbahcekurulumu.xyz/YjdkMWRjNTllNzZi/

https://yazlikkinofilmleri.xyz/YjdkMWRjNTllNzZi/

https://kisiselbakimurunleri.xyz/YjdkMWRjNTllNzZi/

https://sanatkitapligi.xyz/YjdkMWRjNTllNzZi/

https://hizliyemektarifleri.xyz/YjdkMWRjNTllNzZi/

https://kitapokumakulubu.xyz/YjdkMWRjNTllNzZi/

https://bitkiselurunlerdunyasi.xyz/YjdkMWRjNTllNzZi/

https://teknolojiveoyunlar.xyz/YjdkMWRjNTllNzZi/

https://diyetvefitnesstavsiyeleri.xyz/YjdkMWRjNTllNzZi/

https://guzellikvesacbakimi.xyz/YjdkMWRjNTllNzZi/

https://hobiveelenceaktiflikler.xyz/YjdkMWRjNTllNzZi/

rc4.plain

Extracted

Family

octo

https://genisaperdeler.xyz/YjdkMWRjNTllNzZi/

https://enerjikcocukoyunlari.xyz/YjdkMWRjNTllNzZi/

https://yeniakillitelefonlar.xyz/YjdkMWRjNTllNzZi/

https://evinizicinsanat.xyz/YjdkMWRjNTllNzZi/

https://baharatcesitlerivekullanimi.xyz/YjdkMWRjNTllNzZi/

https://gezginlericintavsiyeler.xyz/YjdkMWRjNTllNzZi/

https://modernmutfakgadgetlari.xyz/YjdkMWRjNTllNzZi/

https://aktifsporaksesuarlari.xyz/YjdkMWRjNTllNzZi/

https://evdeyogaegitimi.xyz/YjdkMWRjNTllNzZi/

https://organikbahcekurulumu.xyz/YjdkMWRjNTllNzZi/

https://yazlikkinofilmleri.xyz/YjdkMWRjNTllNzZi/

https://kisiselbakimurunleri.xyz/YjdkMWRjNTllNzZi/

https://sanatkitapligi.xyz/YjdkMWRjNTllNzZi/

https://hizliyemektarifleri.xyz/YjdkMWRjNTllNzZi/

https://kitapokumakulubu.xyz/YjdkMWRjNTllNzZi/

https://bitkiselurunlerdunyasi.xyz/YjdkMWRjNTllNzZi/

https://teknolojiveoyunlar.xyz/YjdkMWRjNTllNzZi/

https://diyetvefitnesstavsiyeleri.xyz/YjdkMWRjNTllNzZi/

https://guzellikvesacbakimi.xyz/YjdkMWRjNTllNzZi/

https://hobiveelenceaktiflikler.xyz/YjdkMWRjNTllNzZi/

AES_key

Signatures

Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
banker trojan infostealer rat octo

Octo payload 2 IoCs

resource	yara_rule
behavioral1/memory/4360-0.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.height.envelope

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.height.envelope/app_coral/FaA.json	4360	/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.height.envelope/app_coral/FaA.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.height.envelope/app_coral/oat/x86/FaA.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.height.envelope/app_coral/FaA.json	4334	com.height.envelope

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.height.envelope
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.height.envelope

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.height.envelope

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.height.envelope

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.height.envelope
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.height.envelope
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.height.envelope
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.height.envelope

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.height.envelope

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.height.envelope

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.height.envelope

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.height.envelope

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.height.envelope

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.height.envelope

com.height.envelope
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.height.envelope/app_coral/FaA.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.height.envelope/app_coral/oat/x86/FaA.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4360

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.height.envelope/app_coral/FaA.json

Filesize
153KB

MD5
77db7bc0e550e85c2df375a4a766b818

SHA1
14943d36f688df5723f4652fee8ebd02c1e30376

SHA256
f76c56bab618287204ef6ebee4bb6e2078d28c383392900c3e9672deefb6c600

SHA512
95c48366e1ac422dfa3df48f36782e27f3bb8129444e21b9b6bf88f96c6019963bb4c8195143ad3d091aedeba9824d992ed309c6b10b2e960c372120b16aa86c

Download Submit
/data/data/com.height.envelope/app_coral/FaA.json

Filesize
153KB

MD5
5cd954665d1a1d8cc9965301631db899

SHA1
c3b7f8ca5f6cd70726e005bd0c033da9a357496a

SHA256
a1b78ac2540b990d239e56ef9840d2be6395f3f7f5fa354b6f396c564bf0b97b

SHA512
c62544a7188d759cda5a09e09b7c55ca9640297e14dece8de55601a53883aca05705264631ccfbe38782d166c8856351b1599fe3b2e7c7f8026e767e0ffa24e8

Download Submit
/data/user/0/com.height.envelope/app_coral/FaA.json

Filesize
450KB

MD5
d22e83e2d341d3c1b6b78d8d2ed11772

SHA1
5f893c5c00dfc4e3d7e39d855ea2279f083c3d8b

SHA256
545e6f73601b5c80c4f4ea9dad910876371c20844ea457e0a6f288c4bdaec98a

SHA512
c3d903c9cdc119ebd11d65203eb7fb4f91ccaf5a9924942f0cdf5364a5f7c5d36fe39b671500e83d9832c48d8dc2747f9caef11a05bea9bf89d226452fe5bf23

Download Submit
/data/user/0/com.height.envelope/app_coral/FaA.json

Filesize
450KB

MD5
e5116309549ceb50d7556321cd824764

SHA1
8c817ecfcafb35bd02c86396b7db661e272ddfd0

SHA256
e4e44f007023a8a0d8fd7d737d044da2b43691a8fb07b95ab73bb25efaeb7f9f

SHA512
021980a4098fd84a9df07b98655f32308c1feceab7dcc1321194cff5985780a81d5b8dcbbf4f7d02669963df40d9d12091d9147cef1a333af88a2366e39a0764

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads