Analysis

  • max time kernel
    178s
  • max time network
    187s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    10-07-2024 22:00

General

  • Target

    bea3f6dd90868f3739c8529f223358917e0331d6f3610a77d25d12eac0c741f6.apk

  • Size

    509KB

  • MD5

    4e79e588e46e16a91038dc25c504112a

  • SHA1

    45287b63ec508305e12a36a8439e834b94aca1ce

  • SHA256

    bea3f6dd90868f3739c8529f223358917e0331d6f3610a77d25d12eac0c741f6

  • SHA512

    cb9f836d66d139c3114856195a7ae0847a21b7d3491e9c15f580cd1580a553918687168a8e029143c31225498b536473eab6b41bcd96b9d172810b84eee672ec

  • SSDEEP

    12288:9Y5shxXUwJvVrRj9dgyUbKmQE9Ejcdfdq7dbz7UD5o5CinF:9UeXJZdkKmDEjcK7xID5o51nF

Malware Config

Extracted

Family

octo

C2

https://kesmecekarpuz.site/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz145.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz878.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz5446.com/NGE2Y2RjYjdmYjg3/

https://kesmecekarpuz8455.com/NGE2Y2RjYjdmYjg3/

AES_key

Signatures

  • Octo

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

  • Octo payload 1 IoCs
  • Removes its main activity from the application launcher 1 TTPs 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.stepstreetmmsa
    1⤵
    • Removes its main activity from the application launcher
    • 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:4227

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.stepstreetmmsa/cache/oat/uqgxmogzjfmjdj.cur.prof
    Filesize

    472B

    MD5

    985439d1afc8c4052049269f01a7a59e

    SHA1

    7e06efa630786b5a8313f9b08022ac6feb13fdba

    SHA256

    282a892f2ef8d9620b32bf3823efb10431424f46bae28abbac717a42ffbd46f1

    SHA512

    f8884baed2a985e732534a19f97af5b37bae50b68199a03cf6a56ae6f7325fb9db7f14d7ae6fa028026947b5afb3574d68ba4f7e3e07f03db32dd31cc9e7d266

  • /data/data/com.stepstreetmmsa/cache/uqgxmogzjfmjdj
    Filesize

    448KB

    MD5

    09952f1ecada924bdd9b32812410f374

    SHA1

    7e25673c1dcb522ef3efefe5d833528956ff5350

    SHA256

    1777fbd9529d3c45dfb96a48377f97d9b7ef42a7152db61caad36ffff6db0bcb

    SHA512

    9809c9dae36e6f6b5acda377a735216e5bc43d733a7b7222adc875cb8270c9dfd66dedfee0f095e190ba78a042593808cf64c7f2207c1cd37e187b681506e1bb