Overview

overview

10

Static

static

6

b63f494eee...c0.apk

android-9-x86

10

b63f494eee...c0.apk

android-11-x64

10

Analysis

  • max time kernel
    148s
  • 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
    20/01/2025, 22:01

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General

  • Target

    b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0.apk

  • Size

    2.4MB

  • MD5

    882e4afa7cc6a2041c4928d57b519806

  • SHA1

    c672e3c1aaea2b88ab68d72add0b16a85add920d

  • SHA256

    b63f494eee9637bb6aca2e6e90f488c99395ccf3c6a5a1ef6c5ba471674904c0

  • SHA512

    02354cad26020c03053c900333f615b41450ace92dad9d2e979cfc15784ff36a14e4d882729563485f3275cfabd14be3e981a88f745ebcc2a7290fa78d031632

  • SSDEEP

    49152:eisP1oFHSM5Fc9c9wKyC/q0tkrFYBctFG/qbFaCFvNID25vnMySX8f9:o2FT5Mc9wKyfiQG/qbQCvNPUySK9

Score
10/10
octobankercollectioncredential_accessdefense_evasiondiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

C2

https://91.215.85.142/NTA4MzIxMjdkYzNj/

https://edfwn923sfdml237vm90sdl23k.com/NTA4MzIxMjdkYzNj/

https://823jkfs4829nk48kef742kj675.com/NTA4MzIxMjdkYzNj/

https://sdglk33498knsf32667sfknwfr.com/NTA4MzIxMjdkYzNj/

https://952dsjk47kf73ls23k489klfdd.com/NTA4MzIxMjdkYzNj/

https://nzxvjej7337bjsdl232nsdlsfa.com/NTA4MzIxMjdkYzNj/

https://2348sdks230df834sd03272nsd.com/NTA4MzIxMjdkYzNj/
rc4.plain

Extracted

Family

octo

C2

https://91.215.85.142/NTA4MzIxMjdkYzNj/

https://edfwn923sfdml237vm90sdl23k.com/NTA4MzIxMjdkYzNj/

https://823jkfs4829nk48kef742kj675.com/NTA4MzIxMjdkYzNj/

https://sdglk33498knsf32667sfknwfr.com/NTA4MzIxMjdkYzNj/

https://952dsjk47kf73ls23k489klfdd.com/NTA4MzIxMjdkYzNj/

https://nzxvjej7337bjsdl232nsdlsfa.com/NTA4MzIxMjdkYzNj/

https://2348sdks230df834sd03272nsd.com/NTA4MzIxMjdkYzNj/
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
  • 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.

    collectiondefense_evasioncredential_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.

    defense_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
    defense_evasion
  • Requests modifying system settings. 1 IoCs
    defense_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.weightserve7
    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)
    • 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:4382

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

1
T1628

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.weightserve7/cache/gaxuoo
    Filesize

    2.3MB

    MD5

    6dc9fa5efd9b486f0265346b61d43d00

    SHA1

    d1eea6f8a5778901009dbc3bd5ac6a827d469092

    SHA256

    e1ac9d7a63636e700e2ba9a18038eabf48fa846c58309106ab935ec0747c8c5a

    SHA512

    1ebc5021bc20056de1da4e6c99e84b64d006f2dc6a10cf8cef2fd9fb6eb91d255e83e24d62d02227c1435e324ff6ba4b074cbb27bdfbce563f1e141a73202743

    Download Submit

  • /data/data/com.weightserve7/cache/oat/gaxuoo.cur.prof
    Filesize

    507B

    MD5

    efd9a051eaafb36ed27bfa7f803f7859

    SHA1

    02b87ebcef263939a872cba4687f594dfa3a4471

    SHA256

    85d2312b707159a155678beeaf6c9e54342f5b029fef3e44568fe2a8cdc80031

    SHA512

    70fb27d0b711469dd31a87653b144db7657024726415cf02cbb30cc7a68d11398bdb255bf7288d6c53a71e69d23920561d305191d04081c797813666db990f09

    Download Submit