octo | c93bae3841ba3db6d7d8469534b824050a0c83ee93b71b56466cea42f56c9388

Analysis

max time kernel
149s
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
24-12-2024 22:00

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General

Target

c93bae3841ba3db6d7d8469534b824050a0c83ee93b71b56466cea42f56c9388.apk
Size

2.0MB
MD5

f8ad180ff7da26b4c036d193bb4c0864
SHA1

766a0be121631e4ec0c5233bcea13bf9cfda9692
SHA256

c93bae3841ba3db6d7d8469534b824050a0c83ee93b71b56466cea42f56c9388
SHA512

eea8794445edd5d236b2a8298cbf3912a2433329f3a81433fa525f70f825f8d9b68cf068ef2d9de9c424f90c10a6e98b4342c21bb29fd3e3c572998d15235e02
SSDEEP

49152:yol+O2zgodNuTl7rQ2Xd1hUxERIswxwdNYRLQ0uHEUixQS:7lCz3Uld5UxE7wxwvHEJ7

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://karateustalariningizemlisan.xyz/MTk5MTQ4ZGNkMDBi/

https://karateyolcususamuraidurusu.xyz/MTk5MTQ4ZGNkMDBi/

https://karatefelsefesininizleri.xyz/MTk5MTQ4ZGNkMDBi/

https://dojovekaretekahramanlari.xyz/MTk5MTQ4ZGNkMDBi/

https://karatesanatvesavasustasi.xyz/MTk5MTQ4ZGNkMDBi/

https://samuraivekarateduruslari.xyz/MTk5MTQ4ZGNkMDBi/

https://karatedoguveteoribilgileri.xyz/MTk5MTQ4ZGNkMDBi/

https://karateantrenmanvesanat.xyz/MTk5MTQ4ZGNkMDBi/

https://karetecininkusursuzvurus.xyz/MTk5MTQ4ZGNkMDBi/

https://kareteharaketveteknik.xyz/MTk5MTQ4ZGNkMDBi/

https://savassanatlarinindunyasi.xyz/MTk5MTQ4ZGNkMDBi/

https://karateustalaringizemlibilgisi.xyz/MTk5MTQ4ZGNkMDBi/

https://dojoyolundagecenanilar.xyz/MTk5MTQ4ZGNkMDBi/

https://karatetarihvesanatustalari.xyz/MTk5MTQ4ZGNkMDBi/

https://karateustalikursunumetodu.xyz/MTk5MTQ4ZGNkMDBi/

https://karatekahramankitalarustasi.xyz/MTk5MTQ4ZGNkMDBi/

https://samuraikavramvesanatifelsefe.xyz/MTk5MTQ4ZGNkMDBi/

https://karateevrenselustalikbilgisi.xyz/MTk5MTQ4ZGNkMDBi/

https://karatekapsamlisanatustalari.xyz/MTk5MTQ4ZGNkMDBi/

https://dojotarihiyolundandegisime.xyz/MTk5MTQ4ZGNkMDBi/

rc4.plain

Extracted

Family

octo

https://karateustalariningizemlisan.xyz/MTk5MTQ4ZGNkMDBi/

https://karateyolcususamuraidurusu.xyz/MTk5MTQ4ZGNkMDBi/

https://karatefelsefesininizleri.xyz/MTk5MTQ4ZGNkMDBi/

https://dojovekaretekahramanlari.xyz/MTk5MTQ4ZGNkMDBi/

https://karatesanatvesavasustasi.xyz/MTk5MTQ4ZGNkMDBi/

https://samuraivekarateduruslari.xyz/MTk5MTQ4ZGNkMDBi/

https://karatedoguveteoribilgileri.xyz/MTk5MTQ4ZGNkMDBi/

https://karateantrenmanvesanat.xyz/MTk5MTQ4ZGNkMDBi/

https://karetecininkusursuzvurus.xyz/MTk5MTQ4ZGNkMDBi/

https://kareteharaketveteknik.xyz/MTk5MTQ4ZGNkMDBi/

https://savassanatlarinindunyasi.xyz/MTk5MTQ4ZGNkMDBi/

https://karateustalaringizemlibilgisi.xyz/MTk5MTQ4ZGNkMDBi/

https://dojoyolundagecenanilar.xyz/MTk5MTQ4ZGNkMDBi/

https://karatetarihvesanatustalari.xyz/MTk5MTQ4ZGNkMDBi/

https://karateustalikursunumetodu.xyz/MTk5MTQ4ZGNkMDBi/

https://karatekahramankitalarustasi.xyz/MTk5MTQ4ZGNkMDBi/

https://samuraikavramvesanatifelsefe.xyz/MTk5MTQ4ZGNkMDBi/

https://karateevrenselustalikbilgisi.xyz/MTk5MTQ4ZGNkMDBi/

https://karatekapsamlisanatustalari.xyz/MTk5MTQ4ZGNkMDBi/

https://dojotarihiyolundandegisime.xyz/MTk5MTQ4ZGNkMDBi/

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/4293-0.dex	family_octo
behavioral1/memory/4268-0.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
4268	com.village.assume

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.village.assume/app_page/WHUPc.json	4293	/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.village.assume/app_page/WHUPc.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.village.assume/app_page/oat/x86/WHUPc.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.village.assume/app_page/WHUPc.json	4268	com.village.assume

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.village.assume
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.village.assume

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.village.assume

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.village.assume

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.village.assume
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.village.assume
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.village.assume
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.village.assume

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.village.assume

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.village.assume

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.village.assume

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.village.assume

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.village.assume

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.village.assume

com.village.assume
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:4268
- /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.village.assume/app_page/WHUPc.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.village.assume/app_page/oat/x86/WHUPc.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4293

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.village.assume/app_page/WHUPc.json

Filesize
153KB

MD5
833eee83870192bd25114e04579b22c5

SHA1
f20c9ab0185d67ce4d209a985b8913afcd73ba08

SHA256
5e418e3c3bf2f1ae64026dbe09f5e438fb43d021743bf5b9bd169f2b85fcd5f4

SHA512
cd5c73171fc2f13effc8cb309fccd31fa753ee8721107651aee230c1d881800ab722cd7d7af663b90b4e676537ef81bad6bd9426eb9bd703285291fdaeefac78

Download Submit
/data/data/com.village.assume/app_page/WHUPc.json

Filesize
153KB

MD5
9fe01b42bcb34404972d9268e56f9772

SHA1
47a3648fb3b2d73f31e2789e4aa53d69a242948a

SHA256
d85d8715213553dbc00836e068c494e70b8d8814e8454f37e83dbc9dc6a67356

SHA512
fb4b615d6b5431554ce5ce69746a4a68db181a8d48605f7b08a6d168e1d042c290e28849026cd43e491e2e3e5e3446b73b391c6088a460998544e80b51aec646

Download Submit
/data/user/0/com.village.assume/app_page/WHUPc.json

Filesize
451KB

MD5
891ec4902dbe4208aa54961f9904e8de

SHA1
2c64d13adaf411e822faa2a290bddfc24d0e623a

SHA256
8576dc2350a56b83fc68a7a3915c00846e06c18c9c26ab737758fd258d07c01e

SHA512
ff07048db6e9acc88df8add9c629b6e55319aaed4d2c8b13c223928e24fbb81a8aaa6ebc98fc6745dbaf6efd2df2c45530871c8149c799a93c9f1f7742cdc191

Download Submit
/data/user/0/com.village.assume/app_page/WHUPc.json

Filesize
451KB

MD5
e4038e7d11815c5684bf17f0f27c2972

SHA1
52a35c2548e310404197366f26990225c832bcbc

SHA256
021735b168d0cb51a311d2c6d0ec4470bed5be6264e8fe161d08c3b4a09d1eef

SHA512
f88ddcc73d7d34855381ca91df8c41fcd609ffce192654c5a25468c407a5a591f1bd2ecf39811caccbc2778f7c400bbab2ee3efb8e18cdc83c7f509c3600af7b

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads