Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    25-12-2024 22:06

General

  • Target

    7bd45c94d930aff2d02935445d928dd8cff157c0c140128031629d49f3b35063.apk

  • Size

    2.4MB

  • MD5

    dd9da950467df226277f8523755e8525

  • SHA1

    735bc32e43c56ad75461b44db8ce652c4a6f38a5

  • SHA256

    7bd45c94d930aff2d02935445d928dd8cff157c0c140128031629d49f3b35063

  • SHA512

    96a0acd93d98252c907d3d0ac1c417ffd1a42807ec990720f956a24805ae2c3afcdb802ae7825e7f13566d3f02e08afad44f46bcec79d87d9a33a8f5172c5f9c

  • SSDEEP

    49152:BcS8joIt5N+gLbGoH5Z7uZnnokzndtI91AcLkQaxqMCG6HGu79B2XW0xQwcW/bX:x83b/GobuZZMpAQaxVCHXL2XWQQwcIX

Malware Config

Extracted

Family

octo

C2

https://tantuniayrankelle612.com/YzhkZjQwNDRkN2Uy/

https://hamsipilavuiyy6111.com/YzhkZjQwNDRkN2Uy/

https://kerebicyememtulumbayerim4151.com/YzhkZjQwNDRkN2Uy/

https://yakubupicaklicamad616t1.com/YzhkZjQwNDRkN2Uy/

rc4.plain

Extracted

Family

octo

C2

https://tantuniayrankelle612.com/YzhkZjQwNDRkN2Uy/

https://hamsipilavuiyy6111.com/YzhkZjQwNDRkN2Uy/

https://kerebicyememtulumbayerim4151.com/YzhkZjQwNDRkN2Uy/

https://yakubupicaklicamad616t1.com/YzhkZjQwNDRkN2Uy/

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 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • 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
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.largethree9
    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:4216

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.largethree9/cache/oat/zwbhwvjikrqk.cur.prof

    Filesize

    512B

    MD5

    0d8b5d986ef3f502d34fe08d879afb3d

    SHA1

    556d5c9ed47e713f90a97d4cb9e5e8d22a4766e6

    SHA256

    f42948405851b0b7473d3e42d14372c8adcedd386fef12f106ac6a36c65615f4

    SHA512

    6b75a229bdb5d8b961746ff4fa0c1839ecebba93495ea345039a9c55640983941cae663c593bea82de4e0c5e9a192660ae7379a6020b001024218d8d28f656b7

  • /data/data/com.largethree9/cache/zwbhwvjikrqk

    Filesize

    2.3MB

    MD5

    c49e369d7a69e88987af76e6da5f0591

    SHA1

    1784e588610213d99df2818b7ee080a1a8c2ce9b

    SHA256

    da8125222ad10082552f1aaa508b25edfcbd53ff9bf99f76548317c8ea06efee

    SHA512

    1a3037e469ebebfba596f4c267f72faa0784f000210cdba7ac33fcc374248e57d6d827d47887ffd0b74c66db517f5c7fefa28d492f53dd8b96052f226ee6a9ed