octo | fdb9a744c510a1d5f3c6fb6c3c34a5e823801f08aad4ba4067581dfa19e0374e

Analysis

max time kernel
149s
max time network
152s
platform
android-10_x64
resource
android-x64-20240910-en
resource tags

arch:x64arch:x86image:android-x64-20240910-enlocale:en-usos:android-10-x64system
submitted
16-11-2024 22:03

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General

Target

fdb9a744c510a1d5f3c6fb6c3c34a5e823801f08aad4ba4067581dfa19e0374e.apk
Size

1.2MB
MD5

13af22fc7b0ab2b7d74f1de8f7612429
SHA1

cc66353c8090fc3119abfcedcfc210e88aa45a0e
SHA256

fdb9a744c510a1d5f3c6fb6c3c34a5e823801f08aad4ba4067581dfa19e0374e
SHA512

244c8e25f07658951312af4391ca4debe6df096d61001c16855fb70634f7a20c0368a7561a590180952128efb2d888e73573e551f12068aad8528a62916d4a3a
SSDEEP

24576:SJt08KP2s5LtzYPFW6pnqPzeIb+cD4lJYEDeZ5CNMIYFRg:18S15L+Fl4PzeAemES5cMIYFRg

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://siqnisiq.com/M2EyOTM2M2FlY2My/

https://xijunggao.com/M2EyOTM2M2FlY2My/

https://fujetgue.shop/M2EyOTM2M2FlY2My/

https://junggvbvb.com/M2EyOTM2M2FlY2My/

https://junggvbv.com/M2EyOTM2M2FlY2My/

https://sabgggsabggg.com/M2EyOTM2M2FlY2My/

https://sabgggsabggg.top/M2EyOTM2M2FlY2My/

https://sabgggsabgggsabggg.top/M2EyOTM2M2FlY2My/

https://nisiqnisiq.top/M2EyOTM2M2FlY2My/

https://abgggpoh.top/M2EyOTM2M2FlY2My/

rc4.plain

Extracted

Family

octo

https://siqnisiq.com/M2EyOTM2M2FlY2My/

https://xijunggao.com/M2EyOTM2M2FlY2My/

https://fujetgue.shop/M2EyOTM2M2FlY2My/

https://junggvbvb.com/M2EyOTM2M2FlY2My/

https://junggvbv.com/M2EyOTM2M2FlY2My/

https://sabgggsabggg.com/M2EyOTM2M2FlY2My/

https://sabgggsabggg.top/M2EyOTM2M2FlY2My/

https://sabgggsabgggsabggg.top/M2EyOTM2M2FlY2My/

https://nisiqnisiq.top/M2EyOTM2M2FlY2My/

https://abgggpoh.top/M2EyOTM2M2FlY2My/

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 1 IoCs

resource	yara_rule
behavioral2/files/fstream-3.dat	family_octo

Loads dropped Dex/Jar 1 TTPs 3 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.addround83/app_DynamicOptDex/eAjrQ.json	5070	com.addround83
/data/user/0/com.addround83/cache/txcgtfnsotlgs	5070	com.addround83
/data/user/0/com.addround83/cache/txcgtfnsotlgs	5070	com.addround83

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.addround83
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.addround83

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.addround83

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.addround83

Performs UI accessibility actions on behalf of the user 1 TTPs 2 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.addround83
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.addround83

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.addround83

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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.addround83

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.addround83

com.addround83
1⤵
- 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)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:5070

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

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

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

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.addround83/app_DynamicOptDex/eAjrQ.json

Filesize
2KB

MD5
f3c24b6fe09221a30a8089e366141015

SHA1
513311f731900380c11ac71e510a6abed096d87b

SHA256
2fa768ee5eea65489f8101df6dc3a449499fe27610b86b041d5738f389fdc231

SHA512
38ae909a3abc154635376db939db7aded067f99dce586228e31248d1db08ccda7062ba0812f4db1f9fa04aa9a9d57bc2b6abbc4ab7f030b02681be6159cd8fa1

Download Submit
/data/data/com.addround83/app_DynamicOptDex/eAjrQ.json

Filesize
2KB

MD5
6cc89c21fd881703e6ea469f2e5d2859

SHA1
4d28f0b4a7a1ae908ab2ae3a79f1059a5f2ea602

SHA256
36a047c102587135a8784e9c29352fced6b08457eb23868be84c8db9391f8b80

SHA512
149bf00dd27b5793e6e3684997fae2e62c8d09f115977f9a05519e892ba7f64763cef8a7c650095dd340a02b3cbe8d234d5fe770ac21ddcd813342ae5b704c53

Download Submit
/data/data/com.addround83/cache/oat/txcgtfnsotlgs.cur.prof

Filesize
462B

MD5
9765855c445f0fff2bc3f7fe5f7d82ec

SHA1
99c95ffb8ea2a842fb716c1cc8aec1a3d5a9a012

SHA256
0b35e763254d91324102478c4828618eb74193e9c5ec081d0fc7d562bff9b5e2

SHA512
68b69f033d35a07ea49d8e23aef6e52dc5586d4dc6a90708d3f4bc2dd16e001a194dd66865bfb1cbccb69bf257ea044e9b70da0fd35cc1bc7dc1db43612e9bc4

Download Submit
/data/data/com.addround83/cache/txcgtfnsotlgs

Filesize
449KB

MD5
c3fe1da05e5b3cee818ddf1929f7f9f8

SHA1
2bd497153252419a07e435c7fa0e3b5464792c03

SHA256
eeb500ec835c31fca5ec4f61b19305451a15b537459b654c2f9877f1103cd0f6

SHA512
630b0c552a5007671bb284351449fd3deeb01bd1987aa89cf7f3c31c13c0c748466a59ef857d081544f7ce7ae49c3d8481f844e5b64d39b62651ae61ffc5f0ba

Download Submit
/data/user/0/com.addround83/app_DynamicOptDex/eAjrQ.json

Filesize
5KB

MD5
0a3de0b4ebdd4f9a432a4d9adf034f78

SHA1
4fcf6332d8c1ded6fa96fdef66ec4f32e17eeda4

SHA256
c40dc82f821a1e45681f758fcb9dd166322a9703734afdd5b269b4bc2cae5419

SHA512
5bf40d81c50fa49496786f60d1f301f99dc72018b2b9e7c6488fb6d60950048ad5729c7d67891214c6950ff1fc816ca12f1fb4538fcc99d229f04ab1b8103d1c

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads