Analysis

  • max time kernel
    147s
  • max time network
    153s
  • 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
    04-01-2025 22:03

General

  • Target

    768ec256cf53dc2ca8c3b14d184825faebe3d1cef9ac102af02be23782ece64e.apk

  • Size

    518KB

  • MD5

    5eba8174763606c15f9d7b3c7f72c614

  • SHA1

    f135ac7bc962a0a44d552e4ab1ca5dd4db70df90

  • SHA256

    768ec256cf53dc2ca8c3b14d184825faebe3d1cef9ac102af02be23782ece64e

  • SHA512

    463c2949b4bb85c4d05cdccb575c8318ddc7c05d71287b574c7090e20971011bf4263e450659bcc532328d36ed5e7c7ae773cc2526f9a5ea09a15e7ab4fb7699

  • SSDEEP

    12288:SF9kDABhcTlizPDSEYBWTIjAr8OthPw3AV4zQNKzeCAniuqAEtSO4taw:0G9liLDSEQWJA6hPw3A8Acon8NtSO4td

Malware Config

Extracted

Family

octo

C2

https://91.92.244.80/CfK3ulGypS7Nns81/

https://rootocto.com.tr/CfK3ulGypS7Nns81/

https://toorocto.com.tr/CfK3ulGypS7Nns81/

rc4.plain

Extracted

Family

octo

C2

https://91.92.244.80/CfK3ulGypS7Nns81/

https://rootocto.com.tr/CfK3ulGypS7Nns81/

https://toorocto.com.tr/CfK3ulGypS7Nns81/

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 2 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
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.strongstarter
    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).
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4734

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/user/0/com.strongstarter/cache/fghuniysbetio

    Filesize

    449KB

    MD5

    d186da8b689b455fc408414277e79714

    SHA1

    b96e399032ebf653ef68c831d582e02ab20f998f

    SHA256

    d1c021c86ba358743f0eb1deb289b9ee160fe1bc1582fc334d1c9fea76e896b9

    SHA512

    6628cb2c70804fe6f6fe841787c5853f494478a710a42548d7e089d7e7a4fc4753c5cc99033912c5e7b2223b416cb8a50bbd41e6d4bb3b1e86e39f04c4a636ea

  • /data/user/0/com.strongstarter/cache/oat/fghuniysbetio.cur.prof

    Filesize

    305B

    MD5

    a29373f1882b1a7183a7927d05e49f8b

    SHA1

    472ab87791568bd1382937c995cb976bd71b1f17

    SHA256

    95f7b49e8c80a09ac3c5f67c4661ffab8ab37c2b9861001c2e5c9853001908e5

    SHA512

    8608ebae85193357fed8361e917df469938867e22e28f020ee582fa27fa58874ab0f8e3ee17ea3ea2e1c7681fc4cfb1d52696f6bb4d34c164e691ca16f5ba719