Overview

overview

8

Static

static

3

2026-08-23...ra.exe

windows10-2004-x64

8

2026-08-23...ra.exe

windows11-ltsc_2024-x64

1

Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/08/2026, 21:34

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General

  • Target
    2026-08-23_dea7cec05e094b494c5c27980ac41c4c_akira.exe
  • Size 5.4MB
  • Sample260825-1evpwszamd
  • SHA256 e32e59955131a7207956dc794818ba320b6c3d6249be867e87ca66d8ac834cfe
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
persistenceransomware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 44 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3268
    • C:\Users\Admin\AppData\Local\Temp\2026-08-23_dea7cec05e094b494c5c27980ac41c4c_akira.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-23_dea7cec05e094b494c5c27980ac41c4c_akira.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4532
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1016
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1880
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3352

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AppCache134321672765663805.txt
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134321672765663805.txt
        • Size 81KB
        • SHA256 d13185f61228bd09afa0bff1668dc17a41aaf051fadb7b1599a9898161db147c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1016-74-0x0000000004A40000-0x0000000004A41000-memory.dmp
        Download

        memory/1880-36-0x0000016078260000-0x0000016078280000-memory.dmp
        Download

        memory/1880-31-0x0000016077640000-0x0000016077740000-memory.dmp
        Download

        memory/1880-58-0x0000016078620000-0x0000016078640000-memory.dmp
        Download

        memory/1880-44-0x0000016078220000-0x0000016078240000-memory.dmp
        Download

        memory/3268-0-0x00000000029D0000-0x00000000029D1000-memory.dmp
        Download

        memory/3268-2-0x000000000C5E0000-0x000000000CA0B000-memory.dmp
        Download

        memory/3268-3-0x0000000000AC0000-0x0000000000AC1000-memory.dmp
        Download

        memory/4532-4-0x0000000140000000-0x00000001400F2000-memory.dmp
        Download

        memory/4532-5-0x0000000140000000-0x00000001400F2000-memory.dmp
        Download