Analysis

  • max time kernel
    149s
  • max time network
    155s
  • 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
    14-01-2025 22:02

General

  • Target

    8c58aee3ae9f47c08c8788d0a76491ddc60231c07f6cb128f09ec4468ad24a27.apk

  • Size

    2.4MB

  • MD5

    f81cfa12b529ab7c6b28f16fed8b015b

  • SHA1

    1b11a3b5a54e06df0278c1f23b26997c5e5dcabf

  • SHA256

    8c58aee3ae9f47c08c8788d0a76491ddc60231c07f6cb128f09ec4468ad24a27

  • SHA512

    3628dd71bd410a93c69fcba330eb14c58a2aaf89cf897bc03d87dee5294723ae2ce64e533cc4bfd4fea745578fc35fa6f11d263513f716a8ef22389dbc64bb50

  • SSDEEP

    49152:Ubq9YF0IbFwr8Lxl4GJwMzP8Zz/UB55tksQogQdsBnRRJSCrq:78RjxlLJwG8Tw5LQogIsBTJ3m

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.

  • 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.severalfivexzye
    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:4506

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.severalfivexzye/cache/oat/urqbt.cur.prof

    Filesize

    405B

    MD5

    69346f52a712138dad2c357172e92c81

    SHA1

    b167239362035d3c752bd7049b8abc39f4337c2a

    SHA256

    383f41f09f8027664a02c311e9ef1145542d34df6f50c8dcf67a2d82b768496b

    SHA512

    af416c5505740e36a0e5897ff647c008ec837fffd70637c895aee82a305beee7699f74047226b445390dbe2035728d39971863f2f92b0f1771a8193d8c12a8ae

  • /data/data/com.severalfivexzye/cache/urqbt

    Filesize

    2.3MB

    MD5

    60cec6f42013e9feb54fc3f79017557c

    SHA1

    8a8c0d461218f0a3517da5dd63c9cee51497f3de

    SHA256

    be0158450ac014ac8151a24a7b3cc338baa2ad48b59c1cfa0f0256d36d95f760

    SHA512

    3c9b06d596f19d446997cdc558c463bfaef2b651a7ad230b53bb3bba03f9b281f713a3ed28f2bbeadeeab69ee0e673df664a4585a50952ee09ea5ac72a27e633