octo | f581b0af04e99d82832446c61211036681da2101bdd80d4bcbbd2ff7c2e677ee

Analysis

max time kernel
145s
max time network
150s
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
05-11-2024 22:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f581b0af04e99d82832446c61211036681da2101bdd80d4bcbbd2ff7c2e677ee.apk
Size

2.4MB
MD5

9139c001efe6f717da7db91431b0802a
SHA1

b72392c731884c85fc5642674b5f8e55a6261d27
SHA256

f581b0af04e99d82832446c61211036681da2101bdd80d4bcbbd2ff7c2e677ee
SHA512

728f5fb371d26af93307bc6f729344b1c5a000d346c10e7d735f1c06a4c74b32ef1aca6e57da3b3cd0d2c9eca52e2ba1e66c03af0708c69e702aaeeea7680f26
SSDEEP

49152:kYlbYOI9nzb8HLSgjS+MIOj8dw/IeSAcs1uM+yCQwp0DpH+CRvkkiX0m7tEuGR:5x0nzbySjjMvetcs1uuhwp+pHHqkcw

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer rat trojan

Malware Config

Extracted

Family

octo

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://9bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://5bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

rc4.plain

Extracted

Family

octo

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://9bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://5bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

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 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.thousanddecideb/cache/ctguhhjd	4505	com.thousanddecideb

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

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.thousanddecideb

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.thousanddecideb
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.thousanddecideb

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.thousanddecideb

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.thousanddecideb

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.thousanddecideb

Requests modifying system settings. 1 IoCs

evasion

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

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.thousanddecideb

com.thousanddecideb
1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Acquires the wake lock
- 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:4505

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

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

Loading Replay Monitor...

Downloads

/data/data/com.thousanddecideb/cache/ctguhhjd

Filesize
2.3MB

MD5
7bfbd6525e32a2793cf9c0916fdd39f5

SHA1
d84aeb31480d6e430ceb4941c4098cbcd1cb0cc6

SHA256
27e7ce9ee22454c89f26b88535bf28a7b25e5bd632ac5e165ab51e3b745ba8c6

SHA512
7b542604bb235439afd0a07ac7a9b10c423dd7b7f0c0e98ed6bf2d5e9e04d71a60f68e73b665dcef0cd0c2e6468dad2c00f92d176e7d6c1a3637573d208c54a3

Download Submit
/data/data/com.thousanddecideb/cache/oat/ctguhhjd.cur.prof

Filesize
294B

MD5
c8576440364fd1d8ced9d6eb359056ae

SHA1
81f9537fdca43fa6e295707e71d33e9e5264e553

SHA256
14dfc0d9bb0f5557e73bb1844c343ea5618c6fafc0c20d58c729e30cd8602d23

SHA512
54f805d8b56fc25ed26f479d48b287a1e42ebf011d458567c22e7218186533a125722d83dd55e8038ba9fce412b06085c8e0ea880b8950cb9b64b935b719a76f

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads