octo | b6d03229397b289d7e2e4823bda621905665fb97bb3c969e76473f0901815ea5

Analysis

max time kernel
149s
max time network
151s
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
03-01-2025 22:01

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General

Target

b6d03229397b289d7e2e4823bda621905665fb97bb3c969e76473f0901815ea5.apk
Size

2.5MB
MD5

89fad7d502f7e8f7ffbb3a9e85adeb7e
SHA1

bf99e1b919f517473e0ecbf58fce42c2c95e3ff4
SHA256

b6d03229397b289d7e2e4823bda621905665fb97bb3c969e76473f0901815ea5
SHA512

60651e9110b14d1da0c591c862ce3453e1a67745767d145dfff856bea6c92a41c312fcd6c9b207f8a7b7937053f9090dff29744eaf98b83a0f8a70bca5c7cf19
SSDEEP

49152:01wZhulvuKmcdQTasPTfSWqW2J7x5zeRsaYVmsT9RWjInlYgbTYdEr3H8xDns:/MvuKzdQmamWqW2Jx5zasuq9yIWwYeTj

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://karakalpakdostlugutasarimi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodavesanat.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakkulturunsirlari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakgeleneklerikosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdesentasarimlari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdokumasanati.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodasıvehayat.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakyanihikayeler.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakginensanatdiyari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdesenvesanatkosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpaklagelenektasima.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakustalarinakil.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodagercegi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakvesanateserleri.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdaguzelrenkler.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakseverlerinkosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakileribakiyor.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdernegitutkusu.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakvesanattasarimi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakyarenlerisever.xyz/NWNlNzMzN2Y4NmI2/

rc4.plain

Extracted

Family

octo

https://karakalpakdostlugutasarimi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodavesanat.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakkulturunsirlari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakgeleneklerikosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdesentasarimlari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdokumasanati.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodasıvehayat.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakyanihikayeler.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakginensanatdiyari.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdesenvesanatkosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpaklagelenektasima.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakustalarinakil.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakmodagercegi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakvesanateserleri.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdaguzelrenkler.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakseverlerinkosesi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakileribakiyor.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakdernegitutkusu.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakvesanattasarimi.xyz/NWNlNzMzN2Y4NmI2/

https://karakalpakyarenlerisever.xyz/NWNlNzMzN2Y4NmI2/

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/4294-0.dex	family_octo
behavioral1/memory/4267-0.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
4267	com.bottom.input

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.bottom.input/app_rhythm/bJwfQ.json	4294	/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.bottom.input/app_rhythm/bJwfQ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.bottom.input/app_rhythm/oat/x86/bJwfQ.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.bottom.input/app_rhythm/bJwfQ.json	4267	com.bottom.input

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.bottom.input
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.bottom.input

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.bottom.input

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.bottom.input

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.bottom.input
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.bottom.input
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.bottom.input
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.bottom.input

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.bottom.input

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.bottom.input

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.bottom.input

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.bottom.input

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.bottom.input

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.bottom.input

com.bottom.input
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:4267
- /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.bottom.input/app_rhythm/bJwfQ.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.bottom.input/app_rhythm/oat/x86/bJwfQ.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4294

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.bottom.input/app_rhythm/bJwfQ.json

Filesize
153KB

MD5
66602f4c5e4a21f7b7be9bb7a7427f47

SHA1
de8587be051fa934be7f0b1c9ed02f6f4f232b76

SHA256
91f8fc2eb5de461f84646742e6398200be8cf7d5cab973a635d6494e14bde7d4

SHA512
ff586b33a3109316915ca964f5c6967574215e300b6c42dfc8acc4736da1b26dae0629c886a2313c5422f1464725ce190c03cbe55c9acce25f754459ad7bd1dd

Download Submit
/data/data/com.bottom.input/app_rhythm/bJwfQ.json

Filesize
153KB

MD5
90a363ba7abc308c3526b826b506ff3e

SHA1
5b78fc6e00e0a98378130b9c7e3b72de0752a3db

SHA256
ab54a955dd9760bea6b0091e45d17dc04f354668037079dce25ee1acc9ee8c23

SHA512
e86368603dd4468e7ab1f0d6fb49db334635fcb9f05e1e3ca19482db303a83b6d701f01bc7ef9842f11f1cdd8dc3d0fba8985a9b05d973d189f7ae29244b4bcf

Download Submit
/data/user/0/com.bottom.input/app_rhythm/bJwfQ.json

Filesize
451KB

MD5
a936653e1a218a91c400febcf62ce2f8

SHA1
002acb49d957107ff2b578f6828f64906a301626

SHA256
bb1eaeed57d8fc3e70fd5bb3e42765cbe271a943dfae282b8f5968dd16484b7c

SHA512
08ee047e48e11a7568e10dae1e277669cdd6b030a5dcecfde43b9ce0cb53f8646818f9872a1dbb4414aca9b3f9df6b0b7ac45c5fbfd6e3344236ee19709dbe09

Download Submit
/data/user/0/com.bottom.input/app_rhythm/bJwfQ.json

Filesize
451KB

MD5
f75404e660309ebdadbb2edb071116ab

SHA1
f800e6cd1f2ee5d2a1f4bb7b0fb58de7cdeb701a

SHA256
ea9ad0db0190fcd03441b5d1973ed0fd353ec0d5394e87e843f0c5dedc3f86a7

SHA512
240841f0887c2e92793be405ea9a0af666c63d96808a25bab65ee643a2cc7a6d29375e0745c61ae3fbdcebc598d86abe6781b6ebe38639570b5aad4cdf73f6db

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads