octo | 5776b581d000fcd48a5009ebe34b4d2da9749ce8d72e524bc1fd45b41a77f91f

Analysis

max time kernel
149s
max time network
147s
platform
android_x64
resource
android-x64-20240624-en
resource tags

androidarch:x64arch:x86image:android-x64-20240624-enlocale:en-usos:android-10-x64system
submitted
02-11-2024 22:05

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General

Target

5776b581d000fcd48a5009ebe34b4d2da9749ce8d72e524bc1fd45b41a77f91f.apk
Size

561KB
MD5

20785e8c4d99d0611dc3b81caecb3f11
SHA1

574c607dd0a7ffc5f8d8bae128f33d7fddbaf2bf
SHA256

5776b581d000fcd48a5009ebe34b4d2da9749ce8d72e524bc1fd45b41a77f91f
SHA512

7e49d0554f68018ed0e2e1e13e3b70e252c1eaec106c1dd6227f4d542f95d45accdfafb564cfa62625f0657fc6c0fec42a3dff17e5ae5041b3608fb38d540ff0
SSDEEP

12288:7GoZoRUGyYyUhskHcDgRmFnjHZYq8IyYKkgHAuJlfL+td:7GoZoRUuth3HXRmdj6oYXg2lfQd

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan

Malware Config

Extracted

Family

octo

https://3bb139030bc7238b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://6bb1390306788b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6432453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://43313903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

rc4.plain

Extracted

Family

octo

https://3bb139030bc7238b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://6bb1390306788b33981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb139030b74564533981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6432453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://43313903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://9bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://5bb1332453233981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.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.namerockcta/cache/ieohxtrv	5052	com.namerockcta
/data/user/0/com.namerockcta/cache/ieohxtrv	5052	com.namerockcta

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

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.namerockcta

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.namerockcta

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.namerockcta
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.namerockcta
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.namerockcta
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.namerockcta

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.namerockcta

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.namerockcta

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.namerockcta

com.namerockcta
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:5052

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.namerockcta/cache/ieohxtrv

Filesize
449KB

MD5
b27162ffbabf5eba4c7f8b55c0508649

SHA1
3356c971249ca8cb0326d47ff7b02015665ddb0f

SHA256
b81ce45103d82624d3af6ff6239f37db43f166126eb421a2f29207cdb02424fb

SHA512
b9fb704d5acb5c78830a8c590843b43c9a369985a98c12ef4e40abc7262fb507bfb9f0bd7fffcdf1b42e15a315092bbbbb03ca0ecb606f78d8114f587a38066e

Download Submit
/data/data/com.namerockcta/cache/oat/ieohxtrv.cur.prof

Filesize
480B

MD5
7c798fb28d42807a5c3be940411ef2a3

SHA1
6ff8d9781b4ef5ba7565127d17ea419a4c476120

SHA256
1806738dfa7f1a4428f1a94a610a4e7fabf06d02a32eedf742b0ca3e4ecb5706

SHA512
0dd5ede61fe471ae2170530b58192c3d1906900f4ebcaf9bb8897c48be44ce357cf4f1b7a1ba73a740b440facced7190a434f3f98ab3ec690d44681fbd5f16c1

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads