Overview

overview

10

Static

static

6

084f914e39...3b.apk

android-9-x86

10

084f914e39...3b.apk

android-11-x64

10

Analysis

  • max time kernel
    42s
  • max time network
    152s
  • 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
    08-11-2024 22:43

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General

  • Target

    084f914e395db72458eb2f1307c2c611894b93eb1b3648224e4618fa4db7e13b.apk

  • Size

    509KB

  • MD5

    4a793af5d8124ba12c76b0c2d3eb26df

  • SHA1

    43d698a8c961a5ee46c6d4ca7dc3783a539a75ca

  • SHA256

    084f914e395db72458eb2f1307c2c611894b93eb1b3648224e4618fa4db7e13b

  • SHA512

    21b42093eb753868a11ff8da93dbcc9969c5fbd7820c056da019349ca7115c632e20883a5fc9f822b6dc720a29ead96e4d0d360b8ef567d6bf1e73e96e3ad40f

  • SSDEEP

    12288:2RG/D/Xoejl5LF/rCO6Nz8uwxBaYXcyb5rme8Y9HAxIZnVA:QALj9jCpzFwxCyEe1HBZnVA

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistenceratstealthtrojan

Malware Config

Extracted

Family

octo

C2

https://94.141.120.47/ZGZmNzZhNzQ1M2Iz/

https://marketingshops32.com/ZGZmNzZhNzQ1M2Iz/

https://marketingshops3.com/ZGZmNzZhNzQ1M2Iz/

https://marketingshops4.com/ZGZmNzZhNzQ1M2Iz/

https://marketingshops52.com/ZGZmNzZhNzQ1M2Iz/

https://marketingshops62.com/ZGZmNzZhNzQ1M2Iz/
rc4.plain

Extracted

Family

octo

C2

https://94.141.120.47/ZGZmNzZhNzQ1M2Iz/

https://marketingshops32.com/ZGZmNzZhNzQ1M2Iz/

https://marketingshops3.com/ZGZmNzZhNzQ1M2Iz/

https://marketingshops4.com/ZGZmNzZhNzQ1M2Iz/

https://marketingshops52.com/ZGZmNzZhNzQ1M2Iz/

https://marketingshops62.com/ZGZmNzZhNzQ1M2Iz/
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.yearwere82
    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:4210

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.yearwere82/cache/kfajefkjo
    Filesize

    449KB

    MD5

    9200ccd6eb142eceebc07bf16b6bafc7

    SHA1

    e0b6a846a39f5a8ba198148d4e7933a9b5fa2103

    SHA256

    5da3ae8065ad7a3f60fff14334769c4302853455b3c89a447b8b6c1e6d3f59e6

    SHA512

    3beb3ac86245f228ffa3fddd5b4fa1087d0a0825b28dd259b027ace78aba65679e74a3af3aa8a4e9c111a50aacdf242a6de6aa9ab042d13b952030ec25369035

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