Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    31/03/2026, 17:34

General

  • Target
    dc7c8f5cb67148876617f387df095dcea8598726fe5599cc1d3bab18932d372d.dll
  • Size 9.3MB
  • Sample260331-v5jgnafv8t
  • SHA256 dc7c8f5cb67148876617f387df095dcea8598726fe5599cc1d3bab18932d372d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects Venon banker payload 1 IoCs
  • Venon

    VENON is a banking trojan with RAT-like capabilities targeting Brazilian financial users, written in Rust.

  • Venon family
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Hide Artifacts: Ignore Process Interrupts 1 TTPs 3 IoCs

    Command interpreters often include specific commands/flags that ignore errors and other hangups.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 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.

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dc7c8f5cb67148876617f387df095dcea8598726fe5599cc1d3bab18932d372d.dll
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3684
    • C:\Windows\system32\reg.exe
      "reg" delete HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "NVIDIA Notification" /f
      2⤵
      • Modifies registry key
      PID:3428
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -NoProfile -Command "Get-WmiObject -Namespace 'root\subscription' -Class __EventFilter -Filter \"Name='NVIDIAFilter'\" -ErrorAction SilentlyContinue | Remove-WmiObject -ErrorAction SilentlyContinue"
      2⤵
      • Hide Artifacts: Ignore Process Interrupts
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3348
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -NoProfile -Command "Get-WmiObject -Namespace 'root\subscription' -Class CommandLineEventConsumer -Filter \"Name='NVIDIAConsumer'\" -ErrorAction SilentlyContinue | Remove-WmiObject -ErrorAction SilentlyContinue"
      2⤵
      • Hide Artifacts: Ignore Process Interrupts
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4984
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -NoProfile -Command "Get-WmiObject -Namespace 'root\subscription' -Class __FilterToConsumerBinding -ErrorAction SilentlyContinue | Where-Object {$_.Filter -like '*NVIDIAFilter*'} | Remove-WmiObject -ErrorAction SilentlyContinue"
      2⤵
      • Hide Artifacts: Ignore Process Interrupts
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1720
    • C:\Windows\system32\schtasks.exe
      "schtasks" /query /tn "NVIDIA Notification Service"
      2⤵
        PID:788
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -NoProfile -Command "$exePath = \"$env:LOCALAPPDATA\NVIDIA Corporation\NVIDIA Notification\$env:COMPUTERNAME\NVIDIANotification.exe\"; if (Test-Path $exePath) { $action = New-ScheduledTaskAction -Execute $exePath; $trigger = New-ScheduledTaskTrigger -AtLogOn; $principal = New-ScheduledTaskPrincipal -UserId $env:USERNAME -LogonType Interactive -RunLevel Highest; Register-ScheduledTask -TaskName 'NVIDIA Notification Service' -Action $action -Trigger $trigger -Principal $principal -Force }"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3748

    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 43244c0820ec5074e654ecd149fa744f51b2c1522e90285567713dae64b62f59
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 3a3dd2d4bdfc17d64262f4dc86ceb242ecf743f2da0412eb60074557a741a5eb
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 19c9ec5a50546824bb6a3bdc81b9c4dd5aea4505f0fea626abc4acfb34abd512
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 77f289672e4fd6bdd72507cb7042c558a7c25829ca2f40672796b455bc2ec0f4
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_14lsszid.zbs.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_14lsszid.zbs.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/1720-36-0x00000280CFB50000-0x00000280CFB5C000-memory.dmp

          memory/1720-38-0x00000280E8180000-0x00000280E8192000-memory.dmp

          memory/1720-37-0x00000280E82E0000-0x00000280E83CA000-memory.dmp

          memory/3348-13-0x000002355F070000-0x000002355F07C000-memory.dmp

          memory/3348-14-0x0000023577300000-0x00000235773EA000-memory.dmp

          memory/3348-15-0x000002355F190000-0x000002355F1A2000-memory.dmp

          memory/3348-10-0x000002355F1D0000-0x000002355F1E0000-memory.dmp

          memory/3348-9-0x0000023577590000-0x00000235775B2000-memory.dmp

          memory/3348-2-0x000002355F1D0000-0x000002355F1E0000-memory.dmp

          memory/3348-1-0x000002355F1D0000-0x000002355F1E0000-memory.dmp

          memory/3684-65-0x0000000002500000-0x00000000025EA000-memory.dmp

          memory/3684-66-0x00000000045B0000-0x00000000045C2000-memory.dmp

          memory/3684-64-0x0000000000CD0000-0x0000000000CDC000-memory.dmp

          memory/3684-0-0x00007FF8B37C0000-0x00007FF8B411E000-memory.dmp

          memory/3684-50-0x00007FF8D2EA0000-0x00007FF8D30A9000-memory.dmp

          memory/3748-49-0x000001B6A3370000-0x000001B6A3382000-memory.dmp

          memory/3748-48-0x000001B6BB630000-0x000001B6BB71A000-memory.dmp

          memory/3748-47-0x000001B6A32A0000-0x000001B6A32AC000-memory.dmp

          memory/4984-27-0x000001E746620000-0x000001E74670A000-memory.dmp

          memory/4984-26-0x000001E746420000-0x000001E746432000-memory.dmp

          memory/4984-25-0x000001E72DEB0000-0x000001E72DEBC000-memory.dmp