octo | d02f8c0591e86335eb6d7b1627d94a5bee3323ac49c895db7788313b85c460ec

Analysis

max time kernel
149s
max time network
149s
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
11/11/2024, 22:09

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General

Target

d02f8c0591e86335eb6d7b1627d94a5bee3323ac49c895db7788313b85c460ec.apk
Size

2.1MB
MD5

f0f25b45b3b96d6f9f69469180e0b63a
SHA1

b275336e36548c7f2767de8d7bbd980a9449b8e2
SHA256

d02f8c0591e86335eb6d7b1627d94a5bee3323ac49c895db7788313b85c460ec
SHA512

13f0a82a1a10f87d2dd945ee3d6b5f17de4f52310d8b01695800d65639a702e91cbc047542002339eaefbf68fe3fd87ce48e7838d552c6459f47d28cb83e9a25
SSDEEP

49152:YrJ2OsrUFUulSdRz1T41nAZGiZgDdGKnU071MUfRL/en7X3bI9I4bptnNfLudz50:YrJ25rMi11TwAQiZgvU0GORL/en7Hk9H

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://cizgifilmlervekarakterhikayeleri.xyz/MDQ2MTZjMDhlZDQy/

https://cocukanimasyonvesinemaustalari.xyz/MDQ2MTZjMDhlZDQy/

https://masalvecizgifilmkahramanlari.xyz/MDQ2MTZjMDhlZDQy/

https://sevimlikarakterlervesahneefektleri.xyz/MDQ2MTZjMDhlZDQy/

https://cizgifilmsanatvesinemaevreni.xyz/MDQ2MTZjMDhlZDQy/

https://eglencelihikayelervecizgidunyasi.xyz/MDQ2MTZjMDhlZDQy/

https://animasyonyapimcilariveoyuncular.xyz/MDQ2MTZjMDhlZDQy/

https://renklihayalguclerianimasyonlar.xyz/MDQ2MTZjMDhlZDQy/

https://cizgifilmklassikleriyenidonem.xyz/MDQ2MTZjMDhlZDQy/

https://eglencelianimasyonprojelerlistesi.xyz/MDQ2MTZjMDhlZDQy/

https://cizgianimasyonvedijitalhikayeler.xyz/MDQ2MTZjMDhlZDQy/

https://kahramanvetuhafcanlilarhikayesi.xyz/MDQ2MTZjMDhlZDQy/

https://eglencevedostcancizgifilmler.xyz/MDQ2MTZjMDhlZDQy/

https://cizgidunyasindakiyenikarakterler.xyz/MDQ2MTZjMDhlZDQy/

https://animasyonvegorselsanatgezileri.xyz/MDQ2MTZjMDhlZDQy/

https://cizgifilmvedegisimkulturler.xyz/MDQ2MTZjMDhlZDQy/

https://renklianimasyonvesanateserleri.xyz/MDQ2MTZjMDhlZDQy/

https://kulturvecizgihikayegirisimi.xyz/MDQ2MTZjMDhlZDQy/

https://cizgifilmtasarimvesanatyonetimi.xyz/MDQ2MTZjMDhlZDQy/

https://yeniyetisimlerveanimasyoncalismasi.xyz/MDQ2MTZjMDhlZDQy/

rc4.plain

Extracted

Family

octo

https://cizgifilmlervekarakterhikayeleri.xyz/MDQ2MTZjMDhlZDQy/

https://cocukanimasyonvesinemaustalari.xyz/MDQ2MTZjMDhlZDQy/

https://masalvecizgifilmkahramanlari.xyz/MDQ2MTZjMDhlZDQy/

https://sevimlikarakterlervesahneefektleri.xyz/MDQ2MTZjMDhlZDQy/

https://cizgifilmsanatvesinemaevreni.xyz/MDQ2MTZjMDhlZDQy/

https://eglencelihikayelervecizgidunyasi.xyz/MDQ2MTZjMDhlZDQy/

https://animasyonyapimcilariveoyuncular.xyz/MDQ2MTZjMDhlZDQy/

https://renklihayalguclerianimasyonlar.xyz/MDQ2MTZjMDhlZDQy/

https://cizgifilmklassikleriyenidonem.xyz/MDQ2MTZjMDhlZDQy/

https://eglencelianimasyonprojelerlistesi.xyz/MDQ2MTZjMDhlZDQy/

https://cizgianimasyonvedijitalhikayeler.xyz/MDQ2MTZjMDhlZDQy/

https://kahramanvetuhafcanlilarhikayesi.xyz/MDQ2MTZjMDhlZDQy/

https://eglencevedostcancizgifilmler.xyz/MDQ2MTZjMDhlZDQy/

https://cizgidunyasindakiyenikarakterler.xyz/MDQ2MTZjMDhlZDQy/

https://animasyonvegorselsanatgezileri.xyz/MDQ2MTZjMDhlZDQy/

https://cizgifilmvedegisimkulturler.xyz/MDQ2MTZjMDhlZDQy/

https://renklianimasyonvesanateserleri.xyz/MDQ2MTZjMDhlZDQy/

https://kulturvecizgihikayegirisimi.xyz/MDQ2MTZjMDhlZDQy/

https://cizgifilmtasarimvesanatyonetimi.xyz/MDQ2MTZjMDhlZDQy/

https://yeniyetisimlerveanimasyoncalismasi.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/4400-0.dex	family_octo
behavioral1/memory/4374-0.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
4374	com.arctic.vast

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.arctic.vast/app_screen/lmqYJu.json	4400	/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.arctic.vast/app_screen/lmqYJu.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.arctic.vast/app_screen/oat/x86/lmqYJu.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.arctic.vast/app_screen/lmqYJu.json	4374	com.arctic.vast

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.arctic.vast
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.arctic.vast

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.arctic.vast

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.arctic.vast

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.arctic.vast
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.arctic.vast
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.arctic.vast
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.arctic.vast

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.arctic.vast

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.arctic.vast

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.arctic.vast

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.arctic.vast

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.arctic.vast

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.arctic.vast

com.arctic.vast
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:4374
- /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.arctic.vast/app_screen/lmqYJu.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.arctic.vast/app_screen/oat/x86/lmqYJu.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4400

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.arctic.vast/app_screen/lmqYJu.json

Filesize
153KB

MD5
043cfdbd80b1fb390a42c0bc56336e42

SHA1
748b12b717699d5df87bd75b6840e10fe0211cfc

SHA256
b5d30a24d0664cf1a35b3a25f46782462143e49d4cea8f97b14a3980c3f58c8e

SHA512
1b2cf295f4d3fb048d061ab41b1c79233e898ba93bde0ef28dddfd75a79f530ee930c905d75265602c38973e4d782e6ceba565bb8ae28e33a369ec87fcfacc39

Download Submit
/data/data/com.arctic.vast/app_screen/lmqYJu.json

Filesize
153KB

MD5
f333e139c9d4217b7dad773e20040c5a

SHA1
89ecff3e85618908a8e44bafffb5b815fcad236a

SHA256
ba0044fcaba249d5dee929e99eb1b73f6f010ee166b843239370c1ad3cf6ac23

SHA512
46a42a8fdb6070938b8bff3a2bc899f9caaf638f85ca632ce41230e4d83947d66853b53f71e81b4eb029fb4dfcca6b5203f631d5940c66d22cd4ed1c77c88c2b

Download Submit
/data/user/0/com.arctic.vast/app_screen/lmqYJu.json

Filesize
451KB

MD5
cc173bbce234c3d7b92ae1b48c62f0df

SHA1
2f20891761d2f847e0eb4499a2de03d4c41125c9

SHA256
d7fb1d8fce1bf98e60ae8cde248350a4b13fff4448b7557d4d905b00b82cf455

SHA512
dc057e9b7c963a9acf00672649298e25eee10de2d3ce5b8098a3dc7f6efe33e1d957917674e1e4187549750a6d896f90b92d3d528d77b1cf20acb4f0657d5709

Download Submit
/data/user/0/com.arctic.vast/app_screen/lmqYJu.json

Filesize
451KB

MD5
aa408faba7311efe4b707186827a2935

SHA1
c7f3066d3df71ce4e3b3a2ea3c955c6e4c1fdf16

SHA256
7aba798bd46e09ac41616dfe18fab6be83e1ffa2e27e79d51db8e0fe1d79c976

SHA512
27795c3c676917f8f1a3e8f9cd84b9c7f36267c62e78332805e822e3da95af452a64b9ce8bf31ce164b406433171a5c3fde847471f1be72cf7d4a32924006444

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads