Analysis

  • max time kernel
    149s
  • max time network
    157s
  • 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
    25/11/2024, 22:07

General

  • Target
    67395066972d0da17cedb8e587edd1acf45086ecad97c493ff3a6083e825cab4.apk
  • Size 2.0MB
  • Sample241125-115f8aynet
  • SHA256 67395066972d0da17cedb8e587edd1acf45086ecad97c493ff3a6083e825cab4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • octo

C2
  • https://bunaseiranahui.top/ZmU2YzQ2NjZlNjc2/

  • https://lauytropopo.net/ZmU2YzQ2NjZlNjc2/

  • https://bobnoopopo.org/ZmU2YzQ2NjZlNjc2/

  • https://junggvrebvqqpo.org/ZmU2YzQ2NjZlNjc2/

  • https://junggpervbvqqqqqqpo.com/ZmU2YzQ2NjZlNjc2/

  • https://junggvbvqqgrouppo.com/ZmU2YzQ2NjZlNjc2/

  • https://junggvbvqqnetokpo.com/ZmU2YzQ2NjZlNjc2/

rc4.plain

Extracted

Family
  • octo

C2
  • https://bunaseiranahui.top/ZmU2YzQ2NjZlNjc2/

  • https://lauytropopo.net/ZmU2YzQ2NjZlNjc2/

  • https://bobnoopopo.org/ZmU2YzQ2NjZlNjc2/

  • https://junggvrebvqqpo.org/ZmU2YzQ2NjZlNjc2/

  • https://junggpervbvqqqqqqpo.com/ZmU2YzQ2NjZlNjc2/

  • https://junggvbvqqgrouppo.com/ZmU2YzQ2NjZlNjc2/

  • https://junggvbvqqnetokpo.com/ZmU2YzQ2NjZlNjc2/

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.

  • Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs

    Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.

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

Processes

  • com.decidehundred2
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Obtains sensitive information copied to the device clipboard
    • 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)
    • Checks CPU information
    • Checks memory information
    PID:4517

Network

        MITRE ATT&CK Mobile v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        FPJ.json

        • Path /data/user/0/com.decidehundred2/app_DynamicOptDex/FPJ.json
        • Size 1KB
        • SHA256 f86b9b496e719df5c5bbeb9141aad8d628c6f9cb8bb1f721c635bfaedd13ba2b
        • MD5 SHA1 SHA512

        FPJ.json

        • Path /data/user/0/com.decidehundred2/app_DynamicOptDex/FPJ.json
        • Size 1KB
        • SHA256 75d9165625912005d0efc0c624c32a8c10e9ceef27fba4e275c2be136baa8fc4
        • MD5 SHA1 SHA512

        FPJ.json

        • Path /data/user/0/com.decidehundred2/app_DynamicOptDex/FPJ.json
        • Size 2KB
        • SHA256 ed17830e8fc9b4f65379a534733f947862ce110a7609c813c82d56f6f696d01d
        • MD5 SHA1 SHA512

        zhxkcsiqkhfvf.cur.prof

        • Path /data/user/0/com.decidehundred2/cache/oat/zhxkcsiqkhfvf.cur.prof
        • Size 404B
        • SHA256 4c6d22efc6f3b814bd3a92589d5d464f8a6f8bbc86f0e501ea67a94b1dac33b6
        • MD5 SHA1 SHA512

        zhxkcsiqkhfvf

        • Path /data/user/0/com.decidehundred2/cache/zhxkcsiqkhfvf
        • Size 449KB
        • SHA256 b4276c301751e1a398c5f64fe1f48401c0e7f483e0cc99a6752fcd1c6d26f681
        • MD5 SHA1 SHA512 SSDEEP

        kl.txt

        • Path /data/user/0/com.decidehundred2/kl.txt
        • Size 54B
        • SHA256 5a7771fed93fc682b5e9f551fa1f3f717bef202331c6112e57ace4567bfff969
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/user/0/com.decidehundred2/kl.txt
        • Size 76B
        • SHA256 fa86c909622bb4328ee933e843b812941e07632d13fde1bac93a4d90f8f1fc50
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/user/0/com.decidehundred2/kl.txt
        • Size 28B
        • SHA256 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/user/0/com.decidehundred2/kl.txt
        • Size 221B
        • SHA256 eec9928982887581dd8f87de626310c8d5d7b43e817bba4d122b4f6a120d8628
        • MD5 SHA1 SHA512

        kl.txt

        • Path /data/user/0/com.decidehundred2/kl.txt
        • Size 64B
        • SHA256 67fde0ece7db3bb39bdebada14d5256a4f3863a7417d841d30ae6d60467dfad2
        • MD5 SHA1 SHA512