Overview

overview

10

Static

static

6

b0e2f552a6...a5.apk

android-9-x86

10

b0e2f552a6...a5.apk

android-11-x64

10

Analysis

  • max time kernel
    143s
  • max time network
    136s
  • 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
    07-12-2024 22:16

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General

  • Target

    b0e2f552a645109443f650b2c829bd3c20030c1291b63a9b58b8c419fbd4dba5.apk

  • Size

    2.4MB

  • MD5

    273e8b0b7ce82c0caa5a88b6d1d2001f

  • SHA1

    878e5ca6d7ae43c4451c04a2aa86c45ca3eafea0

  • SHA256

    b0e2f552a645109443f650b2c829bd3c20030c1291b63a9b58b8c419fbd4dba5

  • SHA512

    2df7e2ab652e31429466ef96167efd452bcf898f8ccd07cb89c00762060b873ba3402796657ed9b21cd7c5e854149dc57ba8281abc034d7f34ea23c5b42ae7b6

  • SSDEEP

    49152:CRzMQJ8wIbQmAHM0FJOd6lJu+wGqvs6PnR0rlSMI1Fdy8ZOu1:2d8lQmALFJOLVdnCS71Fdy8ZOu1

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://332137453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://34437453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://3637453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://8237453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://62333981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://6255553981d0595033c23.com/N2IzYzFlOTM3MWU3/
rc4.plain

Extracted

Family

octo

C2

https://332137453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://34437453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://3637453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://8237453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://62333981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://6255553981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://934437453981d0595033c23.com/N2IzYzFlOTM3MWU3/

https://7894437453981d0595033c23.xyz/N2IzYzFlOTM3MWU3/

https://8774437453981d0595033c23.xyz/N2IzYzFlOTM3MWU3/

https://5564237453981d0595033c23.xyz/N2IzYzFlOTM3MWU3/

https://661544537453981d0595033c23.xyz/N2IzYzFlOTM3MWU3/
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.readyperhaps41
    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:4259

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.readyperhaps41/cache/lppdgqoqpzmi
    Filesize

    2.3MB

    MD5

    741cc04e3ba451742253228124ba3bae

    SHA1

    a92da6825617d7a79e7476a2478955e77ffd087c

    SHA256

    ae70f1461479817447fdc71f7b37bd74f8059263865e4d19db0e7a05855aa375

    SHA512

    72f96fa3d4363a4868a68b2089c1cc5a4984eee156cbb4cf732b81367628090e2ffecc403894c6a68cad6cd6b14212808be11d794bfbbea3c9a292e33530db43

    Download Submit

  • /data/data/com.readyperhaps41/cache/oat/lppdgqoqpzmi.cur.prof
    Filesize

    545B

    MD5

    00600ec72f414aeb2e522f8396e68198

    SHA1

    5a9dc26c376942850b5bda566e5a8ca129a30d79

    SHA256

    e703c91d92410dd7baf2556b204326fb1739e590cfad8a0890be5be0d2d399bf

    SHA512

    e0591c186c4c5018fcfa6efe1766a4fe8808bce1d0baac50744ec00b653cc253e1501078d8f01564d376e1f7fb63b9ad26a6558ff28e49ed5669432f98802087

    Download Submit