Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/07/2026, 23:42

General

  • Target
    991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe
  • Size 7.8MB
  • Sample260719-3p4fwsbs7w
  • SHA256 991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 42 IoCs

    Run Powershell and hide display window.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

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

  • GoLang User-Agent 2 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe
    "C:\Users\Admin\AppData\Local\Temp\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:5960
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4088
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2368
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3100
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2192
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2608
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2400
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionProcess 'C:\Users\Admin\AppData\Local\Temp\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:688
    • C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name=S_19099 dir=in action=allow protocol=TCP localport=19099
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:5704
  • C:\Users\Admin\AppData\Local\Temp\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe
    C:\Users\Admin\AppData\Local\Temp\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3604
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:2900
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:2080
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:4992
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:4908
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:1820
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:5100
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionProcess 'C:\Users\Admin\AppData\Local\Temp\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:5364
  • C:\Users\Admin\AppData\Roaming\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe
    C:\Users\Admin\AppData\Roaming\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:6024
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:612
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:52
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:5092
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:1320
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:3044
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -NonInteractive -Command "Add-MpPreference -ExclusionProcess 'C:\Users\Admin\AppData\Roaming\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:5824
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4380

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 ef4357b3c201c522dd19e1da6102debdf5c4a7faff4b8481a92edacbe65bf132
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 e9e704713a8f2a39af6520b62032a4f8a7414e9aea92ab44f0e6a7e447a18bbc
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 1923943a48704afe4a0b6b4623d8afacb92cae1cb9f2097ebd27171779ae4ab7
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 0ee36e88be202110b90f030e7dc74cf5636ad30119b1acbee9e4b7754460dbeb
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 a3232a0a081307316967ab102b522132a281abfc1c372a1dd5beb6642ccc668a
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 7ea31bc20004938512901eb76726a9d3c9a0f437d48e5da7c51a6c0f481ce4be
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 9c0bcb393a61ddb555c9c25048384b2005acae42e024d5935bc51b131e43fd10
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 c0583829e7dd53782d496e497ce46e4e60864036c3bcb92976dc98b0d43abe15
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 d8257f0ae86fdd5f1dbb94145ff5fb3ebd1a1c108f2674787f003233e404c651
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 675bb4959c4478d2b74b5bb9ba07e847e42b5e54e446820b778774237fb30677
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 070e2dc002fee5d6c6ae0611713bb24a9f01d741d964e7f1ece4f61789724a94
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 df5de984121ab9eb702c2ef1c0716750e770551b5a5551fee347941d5bdfab01
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 e56f4a38e0c60f0196c589e1952198368a10927e65ff24d1476ffafc489657f4
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_lgouw13g.m1e.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lgouw13g.m1e.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe

          • Path C:\Users\Admin\AppData\Roaming\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe
          • Size 7.8MB
          • SHA256 991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1040-179-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/1040-94-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/1040-95-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/1040-93-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/2368-58-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/2368-31-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/2368-34-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/2368-35-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/2368-33-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/2368-27-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/2368-28-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/2368-32-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/2368-70-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/2368-59-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/2900-113-0x000001875A4F0000-0x000001875A5A2000-memory.dmp

          memory/3100-40-0x00000191611C0000-0x00000191611CA000-memory.dmp

          memory/3100-39-0x0000019161480000-0x0000019161532000-memory.dmp

          memory/3100-38-0x00000191611E0000-0x00000191611FE000-memory.dmp

          memory/3604-85-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/3604-83-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/3604-134-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/3604-84-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/4088-8-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/4088-20-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/4088-64-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/4088-4-0x00007FFC6847F000-0x00007FFC68480000-memory.dmp

          memory/4088-24-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/4088-21-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/4088-19-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/4088-5-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/4088-6-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/4088-7-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/4088-12-0x0000021263F90000-0x0000021263FB2000-memory.dmp

          memory/4088-11-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp

          memory/5960-71-0x00007FFC8B120000-0x00007FFC8B383000-memory.dmp

          memory/5960-69-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/5960-72-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/5960-1-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/5960-2-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/5960-82-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/5960-0-0x0000000140000000-0x00000001406AB000-memory.dmp

          memory/5960-3-0x0000000140000000-0x00000001406AB000-memory.dmp