Analysis

  • max time kernel
    175s
  • max time network
    188s
  • platform
    android_x64
  • resource
    android-33-x64-arm64-20240624-en
  • resource tags

    androidarch:arm64arch:x64image:android-33-x64-arm64-20240624-enlocale:en-usos:android-13-x64system
  • submitted
    24-06-2024 22:00

General

  • Target

    a4164c216423bf7e9fc332f01abedefd94790c0e4856ff5b348c18af5dba1b32.apk

  • Size

    509KB

  • MD5

    288238aa60ff3d909b871de920374cde

  • SHA1

    b6dba77aa13c3d2362873ef2d3464272d3dc8329

  • SHA256

    a4164c216423bf7e9fc332f01abedefd94790c0e4856ff5b348c18af5dba1b32

  • SHA512

    12973c4953241cea6fd9534f28a392234ef4ee956ea3563e88f6098d943db0ff53187b88be48eee89c05087bc1f77f0758539bf1bd6de985ec56bf5ceb741593

  • SSDEEP

    12288:Y6/MkK5sHBhJOUQ8AJymbjnHn0PCXID0/EQWj2P3WZODra3:GkxHBuUQ8KymfHdYD0/E5j2P3WkU

Malware Config

Extracted

Family

octo

C2

https://mamudoilekeyfyap.com/YzBlNzk4NmVlZDA0/

https://mamudoiledostadogru.com/YzBlNzk4NmVlZDA0/

https://sigaracokhojdur1.com/YzBlNzk4NmVlZDA0/

https://günde5paketsigaraiciyom1.com/YzBlNzk4NmVlZDA0/

https://dertlikaygisiz04.com/YzBlNzk4NmVlZDA0/

https://kaygisizamamutlu04.com/YzBlNzk4NmVlZDA0/

AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

  • 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 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
  • Requests modifying system settings. 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • com.readlow99
    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:4305

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.readlow99/cache/oat/vxqxjmac.cur.prof
    Filesize

    354B

    MD5

    71ae675bdf0e2b672759ecd72bb1917a

    SHA1

    597691c22aa0ce5b578eb6076798ef4113fc3427

    SHA256

    9b4d8801b0b59951bdca33060dc77bb706a3b8cd9184b179bb97f63c980d8d34

    SHA512

    7fe63abaa1624f60638b582bb621ca28b8d0332e8405eca5263ce9d7a8589d18cb25f80f7cc4587407b51221f6bd91759c52343783cb2359bef60035679b76a6

  • /data/data/com.readlow99/cache/vxqxjmac
    Filesize

    448KB

    MD5

    e9c8c40e3874f55e50e88b166e92626b

    SHA1

    16c760864061e0379628a5a27885f9c063892b3e

    SHA256

    178ad95d7aaf8a4467195f8d168bad6f51188b403f5ed4080679b0a402822f4b

    SHA512

    da752f3dd9f0803aa6fa1fa862ef84988075340ced7db6b593f5b70a3aaa283336b13146454ab70ca81a840bde7ab31bc622a2b4027eab811e1f8f0a6b6dbabf