octo | 67ddf824700b0b440810e7612dd75d96c44a59d2aef8eac2a8b07f29c73ca259

Analysis

max time kernel
137s
max time network
155s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
03-12-2024 22:11

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General

Target

67ddf824700b0b440810e7612dd75d96c44a59d2aef8eac2a8b07f29c73ca259.apk
Size

541KB
MD5

163e4b1d0ccc2a642d872cf8c5ed6836
SHA1

d1b9d76267a58004b0172cfa6acb81bbc8ce74de
SHA256

67ddf824700b0b440810e7612dd75d96c44a59d2aef8eac2a8b07f29c73ca259
SHA512

7eb7805571680a28b77116f2a1dca6f2b3f7cd316c023070cc6446acc3365a8feb577265c4c68023ec22221837f55df3d19cacbd804644d074733fcfe9ad5559
SSDEEP

12288:Udz9oiFQPBnQr2CoXMAztKT+55WCFxP+aD9gPLST9IKyWRS/8iO8nGMw1:Udz9oiFQPBspyWkxP+zPm9xnRI8GL4

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://2.57.149.150/ZTIwNDEzZjM4YjYw/

https://istanbullu2586.xyz/ZTIwNDEzZjM4YjYw/

https://2istanbullu2586.com/ZTIwNDEzZjM4YjYw/

https://3istanbullu2586.net/ZTIwNDEzZjM4YjYw/

https://4istanbullu2586..org/ZTIwNDEzZjM4YjYw/

https://5istanbullu2586.com/ZTIwNDEzZjM4YjYw/

https://6istanbullu2586.xyz/ZTIwNDEzZjM4YjYw/

https://8istanbullu2586.xyz/ZTIwNDEzZjM4YjYw/

rc4.plain

Extracted

Family

octo

https://2.57.149.150/ZTIwNDEzZjM4YjYw/

https://istanbullu2586.xyz/ZTIwNDEzZjM4YjYw/

https://2istanbullu2586.com/ZTIwNDEzZjM4YjYw/

https://3istanbullu2586.net/ZTIwNDEzZjM4YjYw/

https://4istanbullu2586..org/ZTIwNDEzZjM4YjYw/

https://5istanbullu2586.com/ZTIwNDEzZjM4YjYw/

https://6istanbullu2586.xyz/ZTIwNDEzZjM4YjYw/

https://8istanbullu2586.xyz/ZTIwNDEzZjM4YjYw/

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-1.dat	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.patternonly95/cache/filbugnlofnwf	4926	com.patternonly95
/data/user/0/com.patternonly95/cache/filbugnlofnwf	4926	com.patternonly95

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.patternonly95
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.patternonly95

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.patternonly95

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.patternonly95

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.patternonly95
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.patternonly95

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.patternonly95

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.patternonly95

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.patternonly95

com.patternonly95
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:4926

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

Replay Monitor

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Downloads

/data/data/com.patternonly95/cache/filbugnlofnwf

Filesize
450KB

MD5
d2f5f1a05d4db9dd855f43386b8ae49e

SHA1
d3727e14b14b1d99a6e436efff8d2b56e0818344

SHA256
3b5fc3302a45224acdf2ec9848ea3b288c1b42f44084bdc5b2bbf99bb63159ba

SHA512
a6fa0ccc6787d7c071bead4734a37ae67ff3154f94542273a70eb3c2aa405052d5448ce809423b6b3c8eb502ecb9695e6707de8d080edd89755afd443627f094

Download Submit
/data/data/com.patternonly95/cache/oat/filbugnlofnwf.cur.prof

Filesize
467B

MD5
9898e59cdc59b3089db63504a9de409a

SHA1
5e130c425796afa18b7762cb263df7d0c6358c44

SHA256
95233bd3dce91a0f186aa0b7a7729ef6ef7c611e5ea1b2216de528b2f0dfbf6f

SHA512
505ebf2d246e55323b97de097525b40a744bd633d96d75ae16bec9e95de5e7ac9dc7690cfa42749c15d593dfadeff87b1433e01c19a8bafe1db94a5a6a1f5eeb

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads