Analysis

  • max time kernel
    149s
  • 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
    10/09/2026, 23:59

General

  • Target
    991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe
  • Size 7.8MB
  • Sample260910-31yd1szvbz
  • 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 TTPs 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 3 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:4472
    • 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:4184
    • 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:4900
    • 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:3744
    • 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:2136
    • 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:2404
    • 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:5616
    • 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:2660
    • C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name=S_17213 dir=in action=allow protocol=TCP localport=17213
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:6096
  • C:\Users\Admin\AppData\Local\Temp\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe
    C:\Users\Admin\AppData\Local\Temp\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4668
    • 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:3956
    • 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:3436
    • 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:1212
    • 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:2108
    • 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:2024
    • 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:4384
    • 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:4312
  • C:\Users\Admin\AppData\Roaming\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe
    C:\Users\Admin\AppData\Roaming\991bc33adf6e07583c78140bc589c1eeee1d53748055c3c70d5b03f65539ecdd.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3180
    • 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:4712
    • 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:4160
    • 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:5576
    • 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:5584
    • 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:2844
    • 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:2120
    • 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:3244

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 8e6d5b61d852f6632d61a723cfaa601cae029eee378b302b3bde573f017bd1af
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 78f647dcfbd6826b9af0c2a5a9f3acd946a4a84fd7aef9cd67bc8226c1ae8d0d
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 378cd8887a7342673dd55a0a23aaf49779b55146846cc76c51967d83025f4b69
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 66f75521af777f2ce943f7357fa5b6e72e770e1374cb91b5752a3c83fa565f29
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 95805aca92036f42ad8e32097a40563f55de2fb99988a6bc9517192a1896fe05
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 d1215d37c129cc90f54b46eed7ddbc30df5a6fee2decb6b64ad51a9c03c601c4
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 0f380853b6ffd269b6ece6e0ba10534eb76c1e881306d32d269b0219db9226b2
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 e8aecb26f34a8b7dbbe54ede6aabda6037da9dfe458d72252e3e49bcd3bc7db6
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 fb52146e078639f6eba763eadc1194a9ec0d4bdd323262085ef89f81011297fb
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 070006d3e0989f3ed979c31cb728a80e5938b0f5788b33d1b84dde45cd10e1ef
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 6ef3f6d2b8e24529babaa1703be09a8693499422a8a79ba8b985f20e05d981ee
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 a04d908eb0071b34c0413dbda0bf50183c95415b2e15c506821b9b6c286b28a6
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 0c176f86381511cdf504dc0bdac2708f61f6fa00e40c8ca02b636f67dbd03290
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 d28ef187840dcd1fe0a8a757ef9cd326023bec38b39ef1338f91d508d55dcf28
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 1599754af315bf45fc5c21a5d9d6289ee5d77b66ecc79c44b56e93a2e4a258b3
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 476B
        • SHA256 cab1c28f8bdcc3cc466d126f2b979d637af104c66cd45a29a98e5bbbe673dcd5
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 435471b87a1a97b0e29f7d5dd0878e63031511f063629d7e750852c068e7c4f5
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_o3aagpo2.vma.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o3aagpo2.vma.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/3180-111-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/3180-110-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/3180-112-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/3180-153-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/3436-115-0x000001C17AE40000-0x000001C17AEF2000-memory.dmp

        memory/3744-45-0x000001F1E7CE0000-0x000001F1E7CEA000-memory.dmp

        memory/3744-39-0x000001F1E7C00000-0x000001F1E7C1E000-memory.dmp

        memory/3744-41-0x000001F1E7C20000-0x000001F1E7CD2000-memory.dmp

        memory/4184-31-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-19-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-4-0x00007FFF1D4FF000-0x00007FFF1D500000-memory.dmp

        memory/4184-5-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-6-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-7-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-10-0x00000272E0000000-0x00000272E0022000-memory.dmp

        memory/4184-13-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-16-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-24-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-27-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-28-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-30-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-29-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-75-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-32-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4184-33-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4472-80-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/4472-189-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/4472-101-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/4472-1-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/4472-3-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/4472-2-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/4472-64-0x00007FFF40560000-0x00007FFF407C3000-memory.dmp

        memory/4668-92-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/4668-91-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/4668-90-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/4668-150-0x0000000140000000-0x00000001406AB000-memory.dmp

        memory/4900-44-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4900-51-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4900-40-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4900-46-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4900-57-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4900-56-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4900-55-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4900-72-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4900-49-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4900-48-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4900-47-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4900-36-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4900-35-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp

        memory/4900-34-0x00007FFF1D370000-0x00007FFF1DD14000-memory.dmp