Overview

overview

10

Static

static

10

0d765dc413...16.exe

windows7-x64

10

0d765dc413...16.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/09/2024, 16:53

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General

  • Target
    0d765dc413009ddb31ab0685ee4eb1a1dd9e68d415c0f75df36fd08c195bc216.exe
  • Size 158KB
  • Sample240924-vd2h6axdqa
  • SHA256 0d765dc413009ddb31ab0685ee4eb1a1dd9e68d415c0f75df36fd08c195bc216
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
arrowratr00tdiscoverypersistencerat

Malware Config

Extracted

Family

  • arrowrat

Botnet

  • r00t

C2

  • necessary-sick.gl.at.ply.gg:32835

Mutex

  • DsCbljCVL

Signatures

  • ArrowRat

    Remote access tool with various capabilities first seen in late 2021.

    ratarrowrat
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 22 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of FindShellTrayWindow 49 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 16 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:\Users\Admin\AppData\Local\Temp\0d765dc413009ddb31ab0685ee4eb1a1dd9e68d415c0f75df36fd08c195bc216.exe
    "C:\Users\Admin\AppData\Local\Temp\0d765dc413009ddb31ab0685ee4eb1a1dd9e68d415c0f75df36fd08c195bc216.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
      • 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
      PID:3532
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" r00t necessary-sick.gl.at.ply.gg 32835 DsCbljCVL
      2⤵
        PID:4764
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" r00t necessary-sick.gl.at.ply.gg 32835 DsCbljCVL
        2⤵
          PID:2916
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" r00t necessary-sick.gl.at.ply.gg 32835 DsCbljCVL
          2⤵
          • System Location Discovery: System Language Discovery
          PID:1936
      • 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:4336
      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
        1⤵
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:2148

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            AppCache133716704083075975.txt
            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133716704083075975.txt
            • Size 75KB
            • SHA256 31cdd697453d285af477c8ab9c769eb0c35abd77799eae01f830c2496efc470e
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            memory/1936-10-0x00000000064E0000-0x0000000006530000-memory.dmp
            Download

            memory/1936-2-0x0000000000400000-0x0000000000418000-memory.dmp
            Download

            memory/1936-7-0x00000000061E0000-0x0000000006246000-memory.dmp
            Download

            memory/1936-4-0x0000000005400000-0x0000000005492000-memory.dmp
            Download

            memory/1936-5-0x00000000054A0000-0x000000000553C000-memory.dmp
            Download

            memory/1936-6-0x0000000005C30000-0x00000000061D4000-memory.dmp
            Download

            memory/2148-16-0x00000187FD340000-0x00000187FD440000-memory.dmp
            Download

            memory/2148-20-0x00000187FE290000-0x00000187FE2B0000-memory.dmp
            Download

            memory/2148-29-0x00000187FE250000-0x00000187FE270000-memory.dmp
            Download

            memory/2148-51-0x00000187FE860000-0x00000187FE880000-memory.dmp
            Download

            memory/3532-13-0x0000000003430000-0x0000000003431000-memory.dmp
            Download

            memory/4860-3-0x00007FFAA3FE0000-0x00007FFAA4AA1000-memory.dmp
            Download

            memory/4860-0-0x00007FFAA3FE3000-0x00007FFAA3FE5000-memory.dmp
            Download

            memory/4860-167-0x00007FFAA3FE0000-0x00007FFAA4AA1000-memory.dmp
            Download

            memory/4860-1-0x00000223492E0000-0x000002234930E000-memory.dmp
            Download