octo | 81d3e738365de796d3af82aedfad54224858577074af34931ef8a84b509f3df6

Analysis

max time kernel
41s
max time network
154s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
16-12-2024 03:22

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General

Target

81d3e738365de796d3af82aedfad54224858577074af34931ef8a84b509f3df6.apk
Size

9.5MB
MD5

81de421b5be2dabbb92fd8492c1544cb
SHA1

a3f45148638ee6eee1bf5dc83fa06f4b9154bf8b
SHA256

81d3e738365de796d3af82aedfad54224858577074af34931ef8a84b509f3df6
SHA512

e725a3cfec025f2906201c5d04821a85d6e6bd568c4e58d4413956bf03544777a5fa972fa20ed142fe9eba1dfd8767001cf0165230db305e323b3da778932e54
SSDEEP

196608:HOMLw5IrwUYgwdGRdnd3X0UchfWNrp7BjdS:zLw5IrwUYgIdlhfAPg

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://6cbe12d804e423a2e6f3631799f16cb5.com

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/memory/5074-1.dex	family_octo

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.bvtethering_auran/app_cliff/Uyjc.json	5074	com.bvtethering_auran
/data/user/0/com.bvtethering_auran/[email protected]	5074	com.bvtethering_auran

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

Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

collection credential_access impact

Clipboard Data

T1414

Transmitted Data Manipulation

T1641.001

description	ioc	Process
Framework service call	android.content.IClipboard.addPrimaryClipChangedListener	com.bvtethering_auran

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.bvtethering_auran

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.bvtethering_auran

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.bvtethering_auran

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.bvtethering_auran

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.bvtethering_auran

Checks CPU information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/cpuinfo	com.bvtethering_auran

Checks memory information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/meminfo	com.bvtethering_auran

com.bvtethering_auran
1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- 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)
- Checks CPU information
- Checks memory information
PID:5074

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

Input Injection

T1516

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Clipboard Data

T1414

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Software Discovery

T1418

Security Software Discovery

T1418.001

System Information Discovery

T1426

System Network Configuration Discovery

T1422

Lateral Movement

Collection

Clipboard Data

T1414

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Data Manipulation

T1641

Transmitted Data Manipulation

T1641.001

Input Injection

T1516

Replay Monitor

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Downloads

/data/data/com.bvtethering_auran/.global.com.bvtethering_auran

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.bvtethering_auran/app_cliff/Uyjc.json

Filesize
1008B

MD5
ecc65ac1f82611726adf8e1938a80877

SHA1
dfc4f4c13b169672d1cc9928a6889fda31c97126

SHA256
42dc0d926e06c1c102181a8a7afa3866eb221fca4ab42ee549090d6b3015d795

SHA512
fc610588b55fcc7799052fd132b7edd3d0a007906f35ecd284e69f622da9d2dd8672f83de024eec8a2b4935a5c56640bb0e2242dad17bd43e0eb04e717af05e6

Download Submit
/data/data/com.bvtethering_auran/app_cliff/Uyjc.json

Filesize
1008B

MD5
18fff6ccd14cb397aefafb154db4e946

SHA1
6a24f688c44fe91613a26ce058b874b24222b38e

SHA256
a4a5ed2c486562f610c99ebbe1d216702f1e32bbdca689c5eb9bdba3b3d1896b

SHA512
f67a557a1a847c6dd469769092b2d03a838ef136bf857740cf9920c469bdc7a605110b803ac1aa27c2296d69afabd796535366e9ea0e8c835ff93cadf6983849

Download Submit
/data/data/com.bvtethering_auran/files/.m

Filesize
322KB

MD5
77dc50489b9323274732d27dc8a4e803

SHA1
0e02a3595b62489d0739d771881da8604d117c65

SHA256
c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820

SHA512
0684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58

Download Submit
/data/data/com.bvtethering_auran/oat/x86_64/[email protected]

Filesize
292B

MD5
be5c644e679e91583a912f58e624bd26

SHA1
790ea0b31d2247e69eb27be37807f9b31edd2342

SHA256
2aef870f133e05b92e20146d2c7d6e44db9eb840d5e6282650d008e703ce08fb

SHA512
0a2c6c2ae2b9fac92d8264c96981f43fa96a42b095999c9ae96fb12e323aa3791fc717a68b6cfc43868503e09a1822c1952a9ee2443bdd98786f25eea73a18e6

Download Submit
/data/user/0/com.bvtethering_auran/[email protected]

Filesize
525KB

MD5
8dffb13e92e61db31cf9181a073fe891

SHA1
a7a867e36fd1c8dbf1b915df7a257879c2226d14

SHA256
8fa80792bce49437e604a6db56a4fc8b0e78ecea5f114fce30386aa84c92b324

SHA512
74c3f06c26c81e5ea40c9d95a1defac4abdfe965f4ac0b1192d270055bdf1efbee91e30ded3a669337d1bf16afac7e9859f61b8b7711405458feb129309de1ea

Download Submit
/data/user/0/com.bvtethering_auran/app_cliff/Uyjc.json

Filesize
1KB

MD5
dbc8502acbe7a6384459f8d6bd82fb1a

SHA1
3ff82b3e6beb7b0337ae86794d2b0e12d2bfe318

SHA256
6391fe0396c4ae5aad99567b12d321c48b16ba549b0f79e51ce98d311dd543ba

SHA512
402cc0106708f61754b04b2e68f1658a331a7d68402ec6195768c3e77fec548f5607cc9ce4b8cce4fd7706e7fa1b4d4d3eaa2a05aca2c823c68bb2d7bec3f72a

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads