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Overview

overview

10

Static

static

6

5776b581d0...1f.apk

android-9-x86

10

5776b581d0...1f.apk

android-10-x64

10

Analysis

  • max time kernel
    51s
  • max time network
    132s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • 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
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

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

C2

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.

    bankertrojaninfostealerratocto
  • Octo family
    octo
  • Octo payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
    stealthtrojanevasion
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

    evasion
  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • Acquires the wake lock 1 IoCs
  • 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.

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

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
    discovery
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
    collectioncredential_access
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • Requests modifying system settings. 1 IoCs
    evasion
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact

Processes

  • com.namerockcta
    1⤵
    • Removes its main activity from the application launcher
    • 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.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4313

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1624

Broadcast Receivers

1
T1624.001

Foreground Persistence

1
T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1
T1407

Foreground Persistence

1
T1541

Hide Artifacts

2
T1628

Suppress Application Icon

1
T1628.001

User Evasion

1
T1628.002

Impair Defenses

1
T1629

Prevent Application Removal

1
T1629.001

Input Injection

1
T1516

Credential Access

Access Notifications

1
T1517

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

Software Discovery

1
T1418

Security Software Discovery

1
T1418.001

System Network Configuration Discovery

3
T1422

Lateral Movement

Collection

Access Notifications

1
T1517

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Screen Capture

1
T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

1
T1471

Input Injection

1
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

    482B

    MD5

    7e4a92e542740c356eb740f41af961e3

    SHA1

    0b806b40f4cd6c1d0fc3c51800dd106d9b107199

    SHA256

    e47b2ddcbb23ffddd6e97ab733f1ae50108bb19734d076619485adb1638b47f1

    SHA512

    535ac7201fbb39f49344b639e9768e51429a449c5b8157f66f193d32f9f84e0d976cf0b5b45297d4004c2e0a8bc7e4f635cf765962ec49ea0ead097d1f6d302f

    Download Submit