Overview

overview

10

Static

static

6

f97db603db...5d.apk

android-9-x86

10

f97db603db...5d.apk

android-13-x64

10

Analysis

  • max time kernel
    45s
  • 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
    14-01-2025 22:00

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General

  • Target

    f97db603dbcea707dc8e491035cc96a6f24b77897bc247bb6cf61afa15d45d5d.apk

  • Size

    2.4MB

  • MD5

    44eba0928c9308d8076d95c10b84a927

  • SHA1

    35081cf8a115b76981798d22a6abe394c56c4b27

  • SHA256

    f97db603dbcea707dc8e491035cc96a6f24b77897bc247bb6cf61afa15d45d5d

  • SHA512

    d675f6ea90df75bee1e28ba83f29a8be6aa1d279ca17557119b3593a7aacf231388a21eabe97709fa4d1a41874551c781ac9a5987f6cfef9d90cf69419b9720b

  • SSDEEP

    49152:IuRZhMs0rjDtKIM68vXkuBXtCmwCxNPxOCKx+AkZgDZOvTL4jeT426BrLWTZ/:rgz8PXwUaCKx+AlObE1BqZ/

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

C2

https://91.202.233.164/NzcxZWQ4MWEzZjRk/

https://694b64c9229d92124125w2.com/NzcxZWQ4MWEzZjRk/

https://694b64c9229d921s23532adsw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c99d921s3532sw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c9229d9e2adsw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c922153256dsw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c9229d954362sw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c9229151312dsw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c9229135131dsw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c9229d94663sw2.com/NzcxZWQ4MWEzZjRk/
rc4.plain

Extracted

Family

octo

C2

https://91.202.233.164/NzcxZWQ4MWEzZjRk/

https://694b64c9229d92124125w2.com/NzcxZWQ4MWEzZjRk/

https://694b64c9229d921s23532adsw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c99d921s3532sw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c9229d9e2adsw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c922153256dsw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c9229d954362sw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c9229151312dsw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c9229135131dsw2.com/NzcxZWQ4MWEzZjRk/

https://694b64c9229d94663sw2.com/NzcxZWQ4MWEzZjRk/
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.

    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.threesayr
    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:4249

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.threesayr/cache/ehpizutztfsg
    Filesize

    2.3MB

    MD5

    041f4f571c759ece7553adc226d4ee8a

    SHA1

    32969b7fcc190c51519f7ec6eabdf403432f76cb

    SHA256

    5fa3642607963ca5fbb616aa63da4cda4bd0053d3789a76a8030e304aff78a9a

    SHA512

    e0b887b266cda8ac6f072175da9b7fc28b9332de38dcd4f25e63600eff1fb2ed7b78ba0b1327a1b95e9715090701755328ecd1137da11c648024ec50c9b8da04

    Download Submit

  • /data/data/com.threesayr/cache/oat/ehpizutztfsg.cur.prof
    Filesize

    508B

    MD5

    6c31d9fc02846899edb6d6781cb275aa

    SHA1

    7f69af1d8a919bd207aaa49e6b93d1d7aa443223

    SHA256

    9ca96a03455d7ac6fe3ba5a8a0c504d6dc10599fda3f0c39dee0a63997865963

    SHA512

    c3f7a60a0ce90ac19cbc8d01f0d016174dfeb3c8fa22446ad51e18b6a11cdf91c87a5ce2f5f3ead1643b75ccb708f0161c50d4851e9fec71566a01ebc1230572

    Download Submit