octo | 3d7a4af0c68bc83a82673f51d891a465218f1db55e21ad91fc366e05abdc3fdf

Analysis

max time kernel
146s
max time network
141s
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
25-11-2024 22:01

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General

Target

3d7a4af0c68bc83a82673f51d891a465218f1db55e21ad91fc366e05abdc3fdf.apk
Size

1.8MB
MD5

bb5b2938a3bb070b423149396b114d41
SHA1

916675fa7c1ac73b4901f4df690ca1335f6049a7
SHA256

3d7a4af0c68bc83a82673f51d891a465218f1db55e21ad91fc366e05abdc3fdf
SHA512

bbabe899cba7cddb676937e535e575b6fb8c13e5d73a7b19b0420b5435d4a8c47102f337e2ef78ada6aabc0dc0a30ae0b5eec8bb9e7731c8342c9cec829d2c6b
SSDEEP

49152:XcWvwYBGypFSig0w0fT4MZyOkThe9hw6VbO3zA5pGd:hvbgtign07RkFk63zAnw

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://hayatindonderlerikararver.xyz/MDQ2MTZjMDhlZDQy/

https://zorluklaryenicocugunhikaye.xyz/MDQ2MTZjMDhlZDQy/

https://yasamtarzdunyayidogrutani.xyz/MDQ2MTZjMDhlZDQy/

https://cikmazyollardaumutarayan.xyz/MDQ2MTZjMDhlZDQy/

https://hayatinhikayesipratikcozum.xyz/MDQ2MTZjMDhlZDQy/

https://yasaminkavgaveodulleri.xyz/MDQ2MTZjMDhlZDQy/

https://kucukengellerbuyukbasari.xyz/MDQ2MTZjMDhlZDQy/

https://zamaninguctusevinyasan.xyz/MDQ2MTZjMDhlZDQy/

https://gucluklertetekiseyaoyun.xyz/MDQ2MTZjMDhlZDQy/

https://hayatdersleriozetlemeler.xyz/MDQ2MTZjMDhlZDQy/

https://umutlarvesikintilarbirlik.xyz/MDQ2MTZjMDhlZDQy/

https://cikissizyollaryasadogru.xyz/MDQ2MTZjMDhlZDQy/

https://zorluklarveguzelliklerin.xyz/MDQ2MTZjMDhlZDQy/

https://hayatsevdigiolumsuzluklar.xyz/MDQ2MTZjMDhlZDQy/

https://yasambaglantilaryaratici.xyz/MDQ2MTZjMDhlZDQy/

https://cikmazlardayolbulanruhs.xyz/MDQ2MTZjMDhlZDQy/

https://hayathikayelerinikavrama.xyz/MDQ2MTZjMDhlZDQy/

https://yasanmisliklarvesiniflama.xyz/MDQ2MTZjMDhlZDQy/

https://umutvemucadelehayalleri.xyz/MDQ2MTZjMDhlZDQy/

https://zorhayathikayelerindenson.xyz/MDQ2MTZjMDhlZDQy/

rc4.plain

Extracted

Family

octo

https://hayatindonderlerikararver.xyz/MDQ2MTZjMDhlZDQy/

https://zorluklaryenicocugunhikaye.xyz/MDQ2MTZjMDhlZDQy/

https://yasamtarzdunyayidogrutani.xyz/MDQ2MTZjMDhlZDQy/

https://cikmazyollardaumutarayan.xyz/MDQ2MTZjMDhlZDQy/

https://hayatinhikayesipratikcozum.xyz/MDQ2MTZjMDhlZDQy/

https://yasaminkavgaveodulleri.xyz/MDQ2MTZjMDhlZDQy/

https://kucukengellerbuyukbasari.xyz/MDQ2MTZjMDhlZDQy/

https://zamaninguctusevinyasan.xyz/MDQ2MTZjMDhlZDQy/

https://gucluklertetekiseyaoyun.xyz/MDQ2MTZjMDhlZDQy/

https://hayatdersleriozetlemeler.xyz/MDQ2MTZjMDhlZDQy/

https://umutlarvesikintilarbirlik.xyz/MDQ2MTZjMDhlZDQy/

https://cikissizyollaryasadogru.xyz/MDQ2MTZjMDhlZDQy/

https://zorluklarveguzelliklerin.xyz/MDQ2MTZjMDhlZDQy/

https://hayatsevdigiolumsuzluklar.xyz/MDQ2MTZjMDhlZDQy/

https://yasambaglantilaryaratici.xyz/MDQ2MTZjMDhlZDQy/

https://cikmazlardayolbulanruhs.xyz/MDQ2MTZjMDhlZDQy/

https://hayathikayelerinikavrama.xyz/MDQ2MTZjMDhlZDQy/

https://yasanmisliklarvesiniflama.xyz/MDQ2MTZjMDhlZDQy/

https://umutvemucadelehayalleri.xyz/MDQ2MTZjMDhlZDQy/

https://zorhayathikayelerindenson.xyz/MDQ2MTZjMDhlZDQy/

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/4343-0.dex	family_octo
behavioral1/memory/4316-0.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
4316	com.expand.magnet

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.expand.magnet/app_shoe/WCOK.json	4343	/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.expand.magnet/app_shoe/WCOK.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.expand.magnet/app_shoe/oat/x86/WCOK.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.expand.magnet/app_shoe/WCOK.json	4316	com.expand.magnet

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.expand.magnet
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.expand.magnet

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.expand.magnet

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.expand.magnet

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.expand.magnet
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.expand.magnet
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.expand.magnet
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.expand.magnet

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.expand.magnet

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.expand.magnet

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.expand.magnet

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.expand.magnet

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.expand.magnet

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.expand.magnet

com.expand.magnet
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:4316
- /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.expand.magnet/app_shoe/WCOK.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.expand.magnet/app_shoe/oat/x86/WCOK.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4343

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.expand.magnet/app_shoe/WCOK.json

Filesize
153KB

MD5
4d7d7a9940e49e7adf5e6563a3ecc90a

SHA1
faf2408dff341a4d10837dcc1a3f6115b8dff426

SHA256
8b66cbfae6c6352019a949859124f1c6bd883522258cfe58bc5450ff4b6bf58b

SHA512
6293b7bc0c230fa46096b575daf3b1e8a04baacdc10c0505c3cd0c3b1b53579c54ae52ede2e255641c18837d3b7a8e68bf9a9f516f8675cc68f9c6d7374b4597

Download Submit
/data/data/com.expand.magnet/app_shoe/WCOK.json

Filesize
153KB

MD5
1e4cc9d099009b1419e34c713cd4bded

SHA1
e4a264441bea6bf857c2acd5ccd6fcd47195b4a8

SHA256
f4fd29f5c8b5ff0e8a56359a4485d5102baeeceedbb3399de75dbd4dfffa2080

SHA512
cfee2a287a66d05aa7ab22d6c72ba96ef53444db75dfbbac15a873ad99952094800eeb89171fbd9a104099f2bd67a45a7b3592778d67ec5bd9110fb81ddbe50a

Download Submit
/data/user/0/com.expand.magnet/app_shoe/WCOK.json

Filesize
451KB

MD5
e7dbfad459562d0f31f74c76771cd962

SHA1
933371121cd6f321a7b39367269f208ed9104314

SHA256
9801939d6a717a3092834d7b6dfcedb83f12079ecc834215efc78d8975a0d8b8

SHA512
f83e52688e4048e67c8d101da2b5770a89440dbe245df71175ba80e8872a698be8d45965d592acbca3b2e6194684ccf0e5500f141c9d2459b5a6d88044547ddc

Download Submit
/data/user/0/com.expand.magnet/app_shoe/WCOK.json

Filesize
451KB

MD5
02f2e79ff36580cd0955c81953b06f11

SHA1
51dfd1f92d85cd073dc3abc38dc7e7febdbbc7ae

SHA256
56e97cf76ab6585ea3c7d6e1f08c0aae201aedd965509967a11e9698f20e6aa9

SHA512
5358ca3a3fb47cad0d412a7a4962dfb473dfde7813f9eab4d61f3dc7d6b16004dd081b18680e9bdacc7916f6cae692614165a332fe438afd44c29eb9bfcad9d3

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads