Analysis

  • custom tags

    c2dropperexfiltrationobfuscatedotpoverlaysmsspywarestealer
  • max time kernel
    149s
  • max time network
    151s
  • platform
    android-11_x64
  • resource
    android-x64-arm64-20260325-en
  • resource tags

    arch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20260325-enlocale:en-usos:android-11-x64system
  • submitted
    19/08/2026, 00:02

General

  • Target
    f35635ab05a8f0ff2e45a561e9aef6cb766fe62cd3216dc4ab5ca2425c58e1d7.apk
  • Size 8.3MB
  • Sample260819-abydhashrh
  • SHA256 f35635ab05a8f0ff2e45a561e9aef6cb766fe62cd3216dc4ab5ca2425c58e1d7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • octo

C2
  • https://09a4585937f2672db0dc5ca910177fae.com

DES_key
AES_key
AES_key

Signatures

  • Family: Octo

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

  • Octo payload 1 IoCs
  • Accessibility-driven UI automation to self-grant permissions 1 IoCs

    Locates nodes in the Settings or package-installer user interface by text or view identifier and dispatches synthetic clicks. This lets the application approve its own permission dialogs, complete side-loading, and intercept attempts to reach the uninstall screen without any real user consent.

  • Android SMS interception and OTP exfiltration 1 IoCs

    Registers a high-priority SMS_RECEIVED receiver, parses inbound message bodies and aborts the broadcast to hide messages from the user, alongside network exfiltration primitives. This is the standard 2FA/OTP theft pattern used to complete fraudulent transactions.

  • Android banker: accessibility service abuse with overlay injection 1 IoCs

    DEX references AccessibilityService event hooks together with window-overlay creation and credential-capture primitives. This combination is the canonical Android banking-trojan pattern: the app reads screen content and injects fake login windows over legitimate banking apps.

  • Boot-triggered restart with disguised foreground service 1 IoCs

    Restarts itself on device boot and holds a foreground service with a low-visibility notification channel, keeping the process alive across reboots and outside normal background limits. Malicious use is distinguished by pairing this with surveillance or remote-control primitives.

  • Contact harvesting with SMS self-propagation 1 IoCs

    Reads the device contact list and sends messages to the retrieved numbers, the distribution mechanism behind SMS worm campaigns. The victim's own address book becomes the delivery channel, which is why these campaigns spread rapidly within a region.

  • Keylogging via accessibility text-change events 1 IoCs

    Subscribes to text-change and view-focus accessibility events and reads the text of nodes belonging to other applications, capturing everything typed on the device including passwords entered into unrelated apps. Password-field flags are typically inspected so credential entry can be prioritised.

  • Notification listener abuse for OTP and message theft 1 IoCs

    Binds a notification listener service and reads posted notification content, optionally dismissing notifications afterwards to hide them. This harvests one-time passcodes and private messages without ever requesting SMS permissions, which is why it has largely replaced SMS interception in modern ban

  • Persistent WebSocket channel used for remote tasking 1 IoCs

    Bundles a WebSocket client and opens a long-lived bidirectional connection, the transport typically used by Android remote-access tooling for live command dispatch and streaming. Suspicious when paired with surveillance capabilities rather than an obvious in-app messaging feature.

  • Runtime string decryption with reflective method dispatch 1 IoCs

    Combines symmetric decryption or base64 decoding of embedded string tables with reflective class and method resolution, so sensitive API names never appear in plaintext. This defeats naive string-based detection and indicates deliberate anti-analysis engineering.

  • Scripted prompt coaching the user to enable Accessibility 1 IoCs

    Contains step-by-step instructional text walking the victim through enabling an accessibility service. Because Android deliberately makes this flow difficult, malware ships explicit coaching copy; the presence of such a script alongside an accessibility service is a strong abuse indicator.

  • Loads dropped Dex/Jar 1 TTPs 3 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.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • 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.vgsupervision_kit29
    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
    • Queries the mobile country code (MCC)
    • 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:4835

Network

        MITRE ATT&CK Mobile v16

        Replay Monitor

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        Downloads

        .global.com.vgsupervision_kit29

        • Path /data/data/com.vgsupervision_kit29/.global.com.vgsupervision_kit29
        • Size 48B
        • SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
        • MD5 SHA1 SHA512

        classes.dex

        • Path /data/data/com.vgsupervision_kit29/app_dex/classes.dex
        • Size 1KB
        • SHA256 f984426ad8ce36c46203803d95b922636d73383f23fecc4abcc2e098c34fa3bc
        • MD5 SHA1 SHA512 TLSH

        classes.dex

        • Path /data/data/com.vgsupervision_kit29/cache/classes.dex
        • Size 1KB
        • SHA256 8dfbbe63ee84f9595004fb50db2ea85515bfc7bd7ab5164cd713ddd97a4189be
        • MD5 SHA1 SHA512 TLSH

        classes.zip

        • Path /data/data/com.vgsupervision_kit29/cache/classes.zip
        • Size 1KB
        • SHA256 00e3f597718833535fac7924024df225cec18e253156985952a743e4043482a8
        • MD5 SHA1 SHA512 TLSH

        .q

        • Path /data/data/com.vgsupervision_kit29/files/.q
        • Size 322KB
        • SHA256 c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820
        • MD5 SHA1 SHA512 SSDEEP TLSH
        • Path /data/data/com.vgsupervision_kit29/oat/x86_64/[email protected]
        • Size 776B
        • SHA256 4ceea00bdfcbfc57d933b559efb02d8a3755288b95ad336b4d82e251fa7fbcc8
        • MD5 SHA1 SHA512 TLSH
        • Path /data/user/0/com.vgsupervision_kit29/[email protected]
        • Size 529KB
        • SHA256 dc6511e4be8a30d07d3affaa73b077717e98ea999ea2da4e6d38c42979c1a29f
        • MD5 SHA1 SHA512 SSDEEP TLSH