Overview

overview

10

Static

static

6

718b70513f...09.apk

android-9-x86

10

718b70513f...09.apk

android-11-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    04-11-2024 22:08

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General

  • Target

    718b70513fa53fe755718508ff2a45ebd4671edbd3e0f32dd61bba0886a74209.apk

  • Size

    561KB

  • MD5

    fb14cdc0327b5a27d7ba0113e6ed70eb

  • SHA1

    7bd2d902b39138cc83b2213933764b230e0fcc1a

  • SHA256

    718b70513fa53fe755718508ff2a45ebd4671edbd3e0f32dd61bba0886a74209

  • SHA512

    75933f3d010091b7a69773eb66d16a187929f71063ea25fb4305f0340b23242a588a0ba7107fbbba0227ccce7d5bb3e322d756f333c6c52d2b0755b51553d152

  • SSDEEP

    12288:Ra2Js/4y89uHlc5RVb9P8qJ4ioXr61VdBIDjBdujL5+4ahILgbLGR:RVJs/4K+QioXr61VLIDjy5kIALe

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://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
  • Reads information about phone network operator. 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.helproom8
    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:4270

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

4
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.helproom8/cache/iqgbaniaguhqbc
    Filesize

    449KB

    MD5

    37debb9c700e64b62761d77056b18cc9

    SHA1

    55c56146b4269a2bc1c103fb468851b30d3c706b

    SHA256

    4032c3e358eea8b5a1975b37bae8970b5d2cccce401595392a1008c117289425

    SHA512

    fc48ff68df9ee110ab505f5945a0bada729f4b4daf03796d01345cd893787b0e76579cb270eecd64e859d0d24d32d38343756d737d359dcd37ddece1e7734c9d

    Download Submit

  • /data/data/com.helproom8/cache/oat/iqgbaniaguhqbc.cur.prof
    Filesize

    471B

    MD5

    5303b65ef9ba0045aa1bbb7b6faabc7d

    SHA1

    48a02b26a74be966b6e3d4cb32c02c3d5e6a2ad7

    SHA256

    1f9319556e967dc76caaeb8df9a99db9ecb44cf016cefef9d2835ab82e169a14

    SHA512

    2a9ed8565c75e25f07d75174af0999633c4aeb1d2576b0cef9720d5cdad767d26a75869ef0e7ac25da5afd59c060b4c74724bf6cb568b8a6cfebf7c0dc832160

    Download Submit