Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    android-13_x64
  • resource
    android-33-x64-arm64-20240910-en
  • resource tags

    arch:arm64arch:x64arch:x86image:android-33-x64-arm64-20240910-enlocale:en-usos:android-13-x64system
  • submitted
    08-12-2024 22:02

General

  • Target

    145364a844a4dd6219fef2f77484b92eef51c16048026327e28011157612a79b.apk

  • Size

    2.4MB

  • MD5

    aa219cab069afe1a0898757f2e6fca01

  • SHA1

    f4f47dfaa804a78a868ac101c89c90609e5f3da2

  • SHA256

    145364a844a4dd6219fef2f77484b92eef51c16048026327e28011157612a79b

  • SHA512

    522921dd73f1be1dbcf23693e2acc2afa44e931f7e9f05251dd671be9008c68ea5bb1d23977ec1dcc889acef278a594c934e01150fac3d6876c6a674b6ad2881

  • SSDEEP

    49152:j1N0jYS3g8HDd3Zior6MZgGdLPlwLvAwZqoq/yk6EuYnIqrmsuZjg4khISqH70tY:r4g8R3OGgaOLXVz5YnIrohIjQajkK

Malware Config

Extracted

Family

octo

C2

https://3637453981d0595033c23.com/MzQ3NjU5NDBhMjNj/

https://7894437453981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://934437453981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://88237453981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://662333981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://96255553981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://28237453981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://162333981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://26255553981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

rc4.plain

Extracted

Family

octo

C2

https://3637453981d0595033c23.com/MzQ3NjU5NDBhMjNj/

https://7894437453981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://934437453981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://88237453981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://662333981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://96255553981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://28237453981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://162333981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://26255553981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://934437453981d0595033c23.com/MzQ3NjU5NDBhMjNj/

https://8774437453981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://5564237453981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

https://661544537453981d0595033c23.xyz/MzQ3NjU5NDBhMjNj/

AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

  • Octo family
  • Octo payload 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 1 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • 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.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 6 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests modifying system settings. 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.restfish3
    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.
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4500

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.restfish3/cache/oat/occiz.cur.prof

    Filesize

    416B

    MD5

    fd1249ff64ea2a5e85518a6dafe19563

    SHA1

    65d07c01a0ee3bcd618a0b821955411f28fe007e

    SHA256

    db27fdb1580b821f31b7084665c3020f2c025c7bd87ed897d7fd572d9abfee17

    SHA512

    b638c51bc0e3e65fcc159ea6f399b55340e473f8071a3efae2dc636af71c9f1e775de409e6adefcdce58dd462d717d1062e3a763fd331c14c799dd65c1826de0

  • /data/data/com.restfish3/cache/occiz

    Filesize

    2.3MB

    MD5

    4a43cdebf9c0a51c18aabf465dd25aab

    SHA1

    af29770ef20c84423727230d740afd5ef49c3013

    SHA256

    a027ce524d12151d0326d8a7c7c2126848f00cf12d07906ad8efdcf717588a38

    SHA512

    1223a161861cf92459f7e1a1a9b289d48ee86016df6f002dbefe19a7b7ba0d759f5f7383b4a311beede7e46545e6a162c80a3c008636e461f041b2181d223756