Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    12/03/2026, 04:25

General

  • Target
    16c6af84e16dbb1206fa0e87237b2269.exe
  • Size 10.3MB
  • Sample260312-e15w4abs8n
  • SHA256 6fd1bae6a00bc4f5b4cdae0ddcae52389d337424d6ad035c9cde3b6ea948ffdb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • NetSupport

    NetSupport is a remote access tool sold as a legitimate system administration software.

  • Netsupport family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 22 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 22 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16c6af84e16dbb1206fa0e87237b2269.exe
    "C:\Users\Admin\AppData\Local\Temp\16c6af84e16dbb1206fa0e87237b2269.exe"
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\Ptu\Jert 2.6.11\install\cassandra.msi" /qn /norestart AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\16c6af84e16dbb1206fa0e87237b2269.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1773048878 "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:732
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Drops startup file
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3356
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 076256961DC900D2327545A364CCE386 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1060
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6A96E84CD78B660EBCE42D10999A0044
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5076
    • C:\Windows\System32\WindowsPowerShell\v1.0\PowerShell.exe
      PowerShell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -Command "Start-Sleep -Seconds 30
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:1708
    • C:\Windows\Installer\MSI9B5E.tmp
      "C:\Windows\Installer\MSI9B5E.tmp" /HideWindow /dir "C:\Users\Admin\AppData\Roaming\Ptu\Jert\" "C:\Users\Admin\AppData\Roaming\Ptu\Jert\client32.exe" /silent /norestart CRRTOJJN
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2380
  • C:\Users\Admin\AppData\Roaming\Ptu\Jert\client32.exe
    "C:\Users\Admin\AppData\Roaming\Ptu\Jert\client32.exe" /silent /norestart CRRTOJJN
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    PID:3508

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tracking.ini

        • Path C:\Users\Admin\AppData\Local\AdvinstAnalytics\67fded628dabd225ea46323d\2.6.11\tracking.ini
        • Size 84B
        • SHA256 bc7b64a2c4b369412230669c22b92809efb62aa7edd0857e2ccfc0979e286544
        • MD5 SHA1 SHA512 TLSH

        {3D5A9ECB-2E88-4661-8F2C-8786AAB0E797}.session

        • Path C:\Users\Admin\AppData\Local\AdvinstAnalytics\67fded628dabd225ea46323d\2.6.11\{3D5A9ECB-2E88-4661-8F2C-8786AAB0E797}.session
        • Size 8KB
        • SHA256 9acc86b7e0d13feb6803347e5197189f7829755bc6c5bf8b4d1d0e5f80919531
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI1A89.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\MSI1A89.tmp
        • Size 719KB
        • SHA256 066c52ed8ebf63a33ab8290b7c58d0c13f79c14faa8bf12b1b41f643d3ebe281
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI1B95.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\MSI1B95.tmp
        • Size 1.1MB
        • SHA256 7eb240ef6e75de05b2a199bc55fdc8d13f467d5b4e58457011653312fffcc65f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_r5sjq2m3.vnw.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r5sjq2m3.vnw.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        shi1FD7.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\shi1FD7.tmp
        • Size 4.5MB
        • SHA256 796824b4240d8ec77e739d4611a79ceda4a9b618143b2c6a3d0d12f20053e1f3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        shi1FD8.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\shi1FD8.tmp
        • Size 85KB
        • SHA256 be69a9ade29f36d5da7aeff9dcfc521cf226b3b8a9d99e465be9db3cc56143ae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cassandra.msi

        • Path C:\Users\Admin\AppData\Roaming\Ptu\Jert 2.6.11\install\cassandra.msi
        • Size 4.6MB
        • SHA256 70ec67f38118282531ccc4a39f4e13ad8a6f3e8a0ef7edf3b09b5ba7596010c0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cassandra1.cab

        • Path C:\Users\Admin\AppData\Roaming\Ptu\Jert 2.6.11\install\cassandra1.cab
        • Size 2.1MB
        • SHA256 77be4e79de2d16bc3c503d465e89f5ac3539bafb8beabd327a490d0a93311997
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NSM.LIC

        • Path C:\Users\Admin\AppData\Roaming\Ptu\Jert\NSM.LIC
        • Size 265B
        • SHA256 adac0c0397c872b910acbaae1faeb202f3c8e80024eaa725bdecdf880a41bf12
        • MD5 SHA1 SHA512 TLSH

        PCICHEK.DLL

        • Path C:\Users\Admin\AppData\Roaming\Ptu\Jert\PCICHEK.DLL
        • Size 31KB
        • SHA256 8fe47d8ff945a50e7a0daa8c08263dcfa78cb36d8df38bf39d1d4cbb1bec69d5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PCICL32.DLL

        • Path C:\Users\Admin\AppData\Roaming\Ptu\Jert\PCICL32.DLL
        • Size 3.3MB
        • SHA256 cf2af45ffe7606c816f473c0e9783e3db0c3bcd05ec7b57d94f4759ff5451b46
        • MD5 SHA1 SHA512 SSDEEP TLSH

        client32.exe

        • Path C:\Users\Admin\AppData\Roaming\Ptu\Jert\client32.exe
        • Size 117KB
        • SHA256 616866bab7b7606668e3de6f87cef6e93372f47232ac448090739864a6319ff1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        client32.ini

        • Path C:\Users\Admin\AppData\Roaming\Ptu\Jert\client32.ini
        • Size 772B
        • SHA256 2175dbfdada56b8854cfafb90c6f3745427f24e4a385d402f53158874a32c835
        • MD5 SHA1 SHA512 TLSH

        htctl32.dll

        • Path C:\Users\Admin\AppData\Roaming\Ptu\Jert\htctl32.dll
        • Size 316KB
        • SHA256 6562585009f15155eea9a489e474cebc4dd2a01a26d846fdd1b93fdc24b0c269
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msvcr100.dll

        • Path C:\Users\Admin\AppData\Roaming\Ptu\Jert\msvcr100.dll
        • Size 755KB
        • SHA256 8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pcicapi.dll

        • Path C:\Users\Admin\AppData\Roaming\Ptu\Jert\pcicapi.dll
        • Size 48KB
        • SHA256 70d5ea29311195d3cab296f57d69a89bbec289e29d3517543f58389f3cda57f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI1E41.tmp

        • Path C:\Windows\Installer\MSI1E41.tmp
        • Size 1.0MB
        • SHA256 17f79990c5455ac18abbca13fcd8f8584518881487f9fedcbd7cbbdbe003c6f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI2261.tmp

        • Path C:\Windows\Installer\MSI2261.tmp
        • Size 835KB
        • SHA256 e6d18685b2e231f9166909764c3b90bbc3c51f30736d18873166e5dc9133e290
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI9B5E.tmp

        • Path C:\Windows\Installer\MSI9B5E.tmp
        • Size 397KB
        • SHA256 06a80941ef4d514fc6845f0a82cdae80d5dc23becf53797e45656473aa1e98dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/732-237-0x0000000002560000-0x00000000026AD000-memory.dmp

        memory/732-349-0x0000000002560000-0x00000000026AD000-memory.dmp

        memory/1060-236-0x0000000000850000-0x000000000099D000-memory.dmp

        memory/1280-235-0x0000000002F20000-0x0000000002FA2000-memory.dmp

        memory/1280-234-0x0000000002B70000-0x0000000002CBD000-memory.dmp

        memory/1708-239-0x00000197F3B50000-0x00000197F3B5C000-memory.dmp

        memory/1708-232-0x00000197F42D0000-0x00000197F42F2000-memory.dmp

        memory/1708-240-0x00000197F3C80000-0x00000197F3C92000-memory.dmp

        memory/1708-256-0x00000197F3B50000-0x00000197F3B5C000-memory.dmp

        memory/2380-280-0x0000000000DE0000-0x0000000000F2D000-memory.dmp

        memory/3508-281-0x0000000001570000-0x00000000016BD000-memory.dmp

        memory/5076-238-0x0000000001FF0000-0x000000000213D000-memory.dmp