octo | 3f2a044a9bd1842f15932e56e8f9c8503d5728b7dfdb29f5f197118eeb16766e

Analysis

max time kernel
149s
max time network
151s
platform
android-13_x64
resource
android-33-x64-arm64-20240910-en
resource tags

arch:arm64arch:x64arch:x86image:android-33-x64-arm64-20240910-enlocale:en-usos:android-13-x64system
submitted
08-10-2024 22:06

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General

Target

3f2a044a9bd1842f15932e56e8f9c8503d5728b7dfdb29f5f197118eeb16766e.apk
Size

509KB
MD5

d1ed1f5a91b581bdb3c66763fc269ef7
SHA1

9c4576551a6460cf083eaba6d50d5b3b04f87b49
SHA256

3f2a044a9bd1842f15932e56e8f9c8503d5728b7dfdb29f5f197118eeb16766e
SHA512

1daee51776fb02b74ef4b7a0c46c124e0a37bdc67aa3fe2bd7704b137bb93369bf566086429f861ef2509bef6629e48d19458b1cc5ab1a6772c349d76fe53506
SSDEEP

12288:QaTNrWP5b1N+9JI+PvK9VI9715xHB2WkLeElptNEv/+qm4Vg94Y:Qwr8v+v/K9cbxHB2WkLeElLN7qTVs

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://46.19.138.93/MmM4NjczNTUyYjAy/

https://primesecgate.com/MmM4NjczNTUyYjAy/

https://1primesecgate.net/MmM4NjczNTUyYjAy/

https://2primesecgate.xyz/MmM4NjczNTUyYjAy/

https://3primesecgate.com/MmM4NjczNTUyYjAy

https://4primesecgate.com/MmM4NjczNTUyYjAy/

rc4.plain

Extracted

Family

octo

https://46.19.138.93/MmM4NjczNTUyYjAy/

https://primesecgate.com/MmM4NjczNTUyYjAy/

https://1primesecgate.net/MmM4NjczNTUyYjAy/

https://2primesecgate.xyz/MmM4NjczNTUyYjAy/

https://3primesecgate.com/MmM4NjczNTUyYjAy

https://4primesecgate.com/MmM4NjczNTUyYjAy/

AES_key

Signatures

Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
banker trojan infostealer rat octo

Octo payload 1 IoCs

resource	yara_rule
behavioral2/files/fstream-1.dat	family_octo

Loads dropped Dex/Jar 1 TTPs 1 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.seecause8/cache/rmxwudppp	4496	com.seecause8

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.findAccessibilityNodeInfosByViewId	com.seecause8
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.seecause8

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.seecause8

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.seecause8

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.seecause8
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.seecause8

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.seecause8

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.seecause8

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.seecause8

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.seecause8

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.seecause8

com.seecause8
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)
- 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.
- Uses Crypto APIs (Might try to encrypt user data)
PID:4496

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Foreground Persistence

T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Hide Artifacts

T1628

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

Replay Monitor

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Downloads

/data/data/com.seecause8/cache/oat/rmxwudppp.cur.prof

Filesize
364B

MD5
d874a1d1bad40cb2d0394bbe6c699f72

SHA1
5c2f7b2a62591727a7fffbcdf62c6dd87b89fc7e

SHA256
4b2430a4189ed04de2045777f06a0755c33db2691167775da3e3ed1e60984d38

SHA512
52739d3c74596a3567bf8be5b08efe155698156cbad3bdf5b67985ca0d61bf0fe8b34240e6b2aeaf767d0f36191dda6b53f8b85bf2dcef84f5a27842040fac8a

Download Submit
/data/data/com.seecause8/cache/rmxwudppp

Filesize
449KB

MD5
0aa16ec6037288118aa4cfa197abe399

SHA1
b38c5c170100e70151dcc2d008f5a2dba78d311d

SHA256
f3646151ed3265561782d41d52e55402a526f852d546afe5cd78568d8aeeac0a

SHA512
0efdce4b58f05fa6e93c1b9905432ad7b8a1434894a1261a4dc4ed7da6e1494c783dead43a8ca076eaa2ca3faa879ba65334d05777246d399ef8c2df26fb90da

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads