Overview

overview

10

Static

static

10

svchosts.exe

windows7-x64

10

svchosts.exe

windows10-1703-x64

10

svchosts.exe

windows10-2004-x64

10

svchosts.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    133s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-07-2024 20:56

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General

  • Target

    svchosts.exe

  • Size

    158KB

  • MD5

    7ab781bc4eaef1e1dc3d04fffe3fb893

  • SHA1

    96a304b8b5f50a3666ee41d212771cb7b71abea7

  • SHA256

    0d765dc413009ddb31ab0685ee4eb1a1dd9e68d415c0f75df36fd08c195bc216

  • SHA512

    e53b4cb0621e673c06dd84d89e1dd7161e91f062415ae0cbf52e40e61213bdc1aa238b66f31b14d826716848dbb20f8a6dd68a970ca83f63c4110d0e186ea542

  • SSDEEP

    3072:TbziH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPoFO8Y:Tbzie0ODhTEPgnjuIJzo+PPcfPoo8

Score
10/10
arrowratr00tpersistencerat

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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of FindShellTrayWindow 50 IoCs
  • Suspicious use of SendNotifyMessage 22 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 10 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\svchosts.exe
    "C:\Users\Admin\AppData\Local\Temp\svchosts.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3972
    • 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:32
    • 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:2940
    • 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:3664
    • 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:1340

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133657234756179258.txt
      Filesize

      74KB

      MD5

      1d19274d0dbafdfafc70e439be92ba9d

      SHA1

      305dc22cc99b45229a7a56a95ba534762240a1e5

      SHA256

      48adca9867b4dba213d22c852bcec647a124ed28090370631561c060d8e06a1a

      SHA512

      2d16f07d6a5172ff81beb9dd63de53d60cf8e675b6346d66cfee6605838645c5681d48293d44563fe502af10c15d7081c59b58bf1ff735e1f4af4396266555ea

      Download Submit

    • memory/32-16-0x0000000003130000-0x0000000003131000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1340-52-0x0000027FE7C20000-0x0000027FE7C40000-memory.dmp

      Filesize

      128KB

      Download

    • memory/1340-17-0x00000277E5700000-0x00000277E5800000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/1340-35-0x0000027FE7820000-0x0000027FE7840000-memory.dmp

      Filesize

      128KB

      Download

    • memory/1340-22-0x0000027FE7860000-0x0000027FE7880000-memory.dmp

      Filesize

      128KB

      Download

    • memory/2940-4-0x0000000005210000-0x00000000052A2000-memory.dmp

      Filesize

      584KB

      Download

    • memory/2940-7-0x0000000005F20000-0x0000000005F86000-memory.dmp

      Filesize

      408KB

      Download

    • memory/2940-10-0x00000000061F0000-0x0000000006240000-memory.dmp

      Filesize

      320KB

      Download

    • memory/2940-6-0x0000000005900000-0x0000000005EA4000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/2940-5-0x00000000052B0000-0x000000000534C000-memory.dmp

      Filesize

      624KB

      Download

    • memory/2940-2-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

      Download

    • memory/3972-0-0x00007FF9D9C83000-0x00007FF9D9C85000-memory.dmp

      Filesize

      8KB

      Download

    • memory/3972-3-0x00007FF9D9C80000-0x00007FF9DA741000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3972-1-0x000001E343710000-0x000001E34373E000-memory.dmp

      Filesize

      184KB

      Download

    • memory/3972-190-0x00007FF9D9C80000-0x00007FF9DA741000-memory.dmp

      Filesize

      10.8MB

      Download