octo | 5cb436615a10b52bac25745116b344326dd9c4f3c7bd4e7e2275217ec7b1fa9d

Analysis

max time kernel
147s
max time network
151s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
16-11-2024 22:00

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General

Target

5cb436615a10b52bac25745116b344326dd9c4f3c7bd4e7e2275217ec7b1fa9d.apk
Size

2.4MB
MD5

eb5669691a787692f0c0a5ee9a5ff64c
SHA1

98dd776f5f781a244b4229ae45c848b8075eb332
SHA256

5cb436615a10b52bac25745116b344326dd9c4f3c7bd4e7e2275217ec7b1fa9d
SHA512

49436ab0c001efb18614e2d018639e865f8172fd7186824fe40167a8b7990a5326440cdabeda73998faf6a3dced4a3195be4a3faa5860b3569db2997966b5f8b
SSDEEP

49152:Blpg7cLyNu+Z8ftUjx6Ydx9rvMfQVz38qNJugEtXbf0PncX2B/aMqe5:9dyNNZYtgN9w43zum0X0aQ

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

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/

rc4.plain

Extracted

Family

octo

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 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.moneysureg/cache/gcloffl	4929	com.moneysureg
/data/user/0/com.moneysureg/cache/gcloffl	4929	com.moneysureg

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

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.moneysureg

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.moneysureg

Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

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

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.moneysureg

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.moneysureg

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.moneysureg

com.moneysureg
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:4929

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.moneysureg/cache/gcloffl

Filesize
2.3MB

MD5
ddfd901d6d8b9daedd4a9e48ae21ab68

SHA1
a4b8cba71223ca7ed2971bdd4e1272834e4e4243

SHA256
c74977e6df523b1ae7f3451d398bc75817c7fa9298611191f829af25526868b6

SHA512
ff8d2124fb4410873f939c07915052fb971a2dccac9f016818d4824eabc21410d9f92ebdc2a51d3a23ddfeda18df489a8b821d396b96d30f6db56e348682aa38

Download Submit
/data/data/com.moneysureg/cache/oat/gcloffl.cur.prof

Filesize
524B

MD5
62d55183d765029e18a43ed751cd455c

SHA1
24f80082745e8b0a9621485f1d30629624a0fa45

SHA256
4a1444d064c44632821b5c92991b9e6908ede032b8dc11c16309388423d26d77

SHA512
13c1c480a0d3ca56bdf83ff889f5843db9e48efb5ee633a788c7834b8768c7ad5fe1fdc70661f47b74585b66ddad36a61b38a1adaff01347051dc25ecc66f677

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads