Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/06/2026, 02:53

General

  • Target
    DiscordUpdater.exe
  • Size 172.5MB
  • Sample260620-ddqm8aes2t
  • SHA256 8acb25487c6f9daa7da1bee38bac94c1bedc14d70b5ffff51d4010d8620d5e9a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

Mutex
  • maz5rIHKJvqd

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

  • local_host

    127.0.0.1

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Modifies Windows Firewall 2 TTPs 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 12 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe
    "C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe
      "C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" --type=gpu-process --no-sandbox --user-data-dir="C:\Users\Admin\AppData\Roaming\Discord" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --use-gl=angle --use-angle=swiftshader-webgl --field-trial-handle=1744,i,6256580484876466240,33566557993628984,262144 --disable-features=BlockInsecurePrivateNetworkRequests,RendererCodeIntegrity,SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=1736 /prefetch:2
      2⤵
        PID:644
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "netsh advfirewall firewall add rule name="Windows Push Notifications Service (9bc1)" dir=out action=allow program="C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" enable=yes"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3472
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="Windows Push Notifications Service (9bc1)" dir=out action=allow program="C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" enable=yes
          3⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:3752
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "netsh advfirewall firewall add rule name="Windows Push Notifications Service (9bc1)" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" enable=yes"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1036
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="Windows Push Notifications Service (9bc1)" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" enable=yes
          3⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:4840
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "powershell -c "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp' -ErrorAction SilentlyContinue""
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3316
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -c "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp' -ErrorAction SilentlyContinue"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1256
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "DiscordUpdater""
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2840
        • C:\Windows\system32\reg.exe
          reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "DiscordUpdater"
          3⤵
            PID:3744
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "HDAudio""
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4892
          • C:\Windows\system32\reg.exe
            reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "HDAudio"
            3⤵
              PID:1904
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /d /s /c "reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "HDAudio" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" /f"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4216
            • C:\Windows\system32\reg.exe
              reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "HDAudio" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" /f
              3⤵
              • Adds Run key to start application
              PID:3340
          • C:\Users\Admin\AppData\Local\Temp\msrt_0e58605b0b4c.tmp
            "C:\Users\Admin\AppData\Local\Temp\msrt_0e58605b0b4c.tmp"
            2⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4652
          • C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe
            "C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-sandbox --user-data-dir="C:\Users\Admin\AppData\Roaming\Discord" --field-trial-handle=1936,i,6256580484876466240,33566557993628984,262144 --disable-features=BlockInsecurePrivateNetworkRequests,RendererCodeIntegrity,SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=1940 /prefetch:3
            2⤵
              PID:2008
          • C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe
            C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe
            1⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1156
            • C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe
              "C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" --type=gpu-process --no-sandbox --user-data-dir="C:\Users\Admin\AppData\Roaming\Discord" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --use-gl=angle --use-angle=swiftshader-webgl --field-trial-handle=1776,i,1001354670819954717,3995574630336285833,262144 --disable-features=BlockInsecurePrivateNetworkRequests,RendererCodeIntegrity,SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=1768 /prefetch:2
              2⤵
                PID:1048
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "netsh advfirewall firewall add rule name="Windows Update Service Agent (8eec)" dir=out action=allow program="C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" enable=yes"
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2212
                • C:\Windows\system32\netsh.exe
                  netsh advfirewall firewall add rule name="Windows Update Service Agent (8eec)" dir=out action=allow program="C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" enable=yes
                  3⤵
                  • Modifies Windows Firewall
                  • Event Triggered Execution: Netsh Helper DLL
                  PID:4764
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "netsh advfirewall firewall add rule name="Windows Update Service Agent (8eec)" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" enable=yes"
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:4388
                • C:\Windows\system32\netsh.exe
                  netsh advfirewall firewall add rule name="Windows Update Service Agent (8eec)" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" enable=yes
                  3⤵
                  • Modifies Windows Firewall
                  • Event Triggered Execution: Netsh Helper DLL
                  PID:1700
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "powershell -c "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp' -ErrorAction SilentlyContinue""
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:4220
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  powershell -c "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp' -ErrorAction SilentlyContinue"
                  3⤵
                  • Command and Scripting Interpreter: PowerShell
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4032
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "DiscordUpdater""
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:3900
                • C:\Windows\system32\reg.exe
                  reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "DiscordUpdater"
                  3⤵
                    PID:408
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /d /s /c "reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "HDAudio""
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4488
                  • C:\Windows\system32\reg.exe
                    reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "HDAudio"
                    3⤵
                      PID:4492
                  • C:\Users\Admin\AppData\Local\Temp\msrt_0e586a7d0484.tmp
                    "C:\Users\Admin\AppData\Local\Temp\msrt_0e586a7d0484.tmp"
                    2⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    PID:1636
                  • C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe
                    "C:\Users\Admin\AppData\Local\Temp\DiscordUpdater.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-sandbox --user-data-dir="C:\Users\Admin\AppData\Roaming\Discord" --field-trial-handle=1892,i,1001354670819954717,3995574630336285833,262144 --disable-features=BlockInsecurePrivateNetworkRequests,RendererCodeIntegrity,SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=1896 /prefetch:3
                    2⤵
                      PID:4632

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

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                        Downloads

                        powershell.exe.log

                        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                        • Size 2KB
                        • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
                        • MD5 SHA1 SHA512 TLSH

                        StartupProfileData-NonInteractive

                        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                        • Size 944B
                        • SHA256 85f6b0971e94daf9fd4e39413824f162851a9f5ce7f989bd92c903a4dbcbef26
                        • MD5 SHA1 SHA512 TLSH

                        __PSScriptPolicyTest_fncq0ii2.g3f.ps1

                        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fncq0ii2.g3f.ps1
                        • Size 60B
                        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                        • MD5 SHA1 SHA512 TLSH

                        msrt_0e58605b0b4c.tmp

                        • Path C:\Users\Admin\AppData\Local\Temp\msrt_0e58605b0b4c.tmp
                        • Size 45KB
                        • SHA256 ec290bb921b463398c68af42f9e0e92eab08ca1008a6a268b6ad3c9f4f63d745
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Roaming\Discord\Local State
                        • Size 434B
                        • SHA256 dec3e52b2aefb1bc5bd9bdc36df2e4db236c81aa3ff412832db7b53a1ed0391e
                        • MD5 SHA1 SHA512 TLSH

                        Local State

                        • Path C:\Users\Admin\AppData\Roaming\Discord\Local State
                        • Size 434B
                        • SHA256 81110d72b1431b89cd899088a0399940d5fbe86d6d6357ebc381c29658a6be31
                        • MD5 SHA1 SHA512 TLSH

                        memory/1256-6-0x000002241DA60000-0x000002241DA82000-memory.dmp

                        memory/4652-16-0x0000000000350000-0x0000000000362000-memory.dmp