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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    android-11_x64
  • resource
    android-x64-arm64-20240910-en
  • resource tags

    arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240910-enlocale:en-usos:android-11-x64system
  • submitted
    11/11/2024, 22:08

General

  • Target

    fbc82a2845b795977f98af922094399e93bca6549bc5fd905ac6b3c9a723a406.apk

  • Size

    2.4MB

  • MD5

    b7a5dea57583307782af8b0b373c9083

  • SHA1

    a39c39d3198c443d1911189d55e077bb4562fb34

  • SHA256

    fbc82a2845b795977f98af922094399e93bca6549bc5fd905ac6b3c9a723a406

  • SHA512

    849081760147fc9d6fb533f45401bfb3098f6b0023a60c56a3f1fc6bc663e7564c1eb0a964e40ac9e99586b958f48dcd6a9f8bd6cdcee035b6544f4cb8ba7650

  • SSDEEP

    49152:9svNvYu+XP3uWyZCIckqYvsW1fHBAj6eItgNmYE4XVV0ACkZsAKVfHBKNYvRs0:kmuePeWyM/khvsCfhAj6TtEi4z0TkaVb

Malware Config

Extracted

Family

octo

C2

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

rc4.plain

Extracted

Family

octo

C2

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

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 2 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 5 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.pressendta
    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:4789

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.pressendta/cache/cnkzsc

    Filesize

    2.3MB

    MD5

    32e1e932a9c66ff01d4cf568abeac4ee

    SHA1

    c0b4657f6d653c324d5e0bfd04b50b45e01ab2c2

    SHA256

    c727a002aa7cfc58750e30dcc11d4eac288e18cf32fd3570d2f159cddefb91bb

    SHA512

    e25b005e2184fb77879ebfb160d42d0a5a78fecde4734727c4c889ef84ad44ba452a2285d449d03f8046f6f6160ec4b5598db919a020241a5629934738172843

  • /data/data/com.pressendta/cache/oat/cnkzsc.cur.prof

    Filesize

    355B

    MD5

    c35a4e242c1af68c1c6b64193a837e7f

    SHA1

    ff3bc49188b22b38fa3651bf53c18e1905a06636

    SHA256

    977ead7fffcc272bd9d939cddaae023edfe3bbefd5a10508b3c13d8a00743ccb

    SHA512

    88f0598a7243cab4708dcae58c9259af5a285cced15e4d54352f419ba070aa6109c2acf183dd8b325c8f358050bfc1f5143a57c4023972c5244412d812d3a03f