Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    10/06/2024, 15:36

General

  • Target
    node.bat
  • Size 687B
  • Sample240610-s2bars1gmb
  • SHA256 b99b7a8864e07ed15ba3e11ec6e5ad793d3a8e257321c89c7c2b7842cc674728
  • MD5 SHA1 SHA512
Score
3/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 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\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\node.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      PowerShell -Command "$tr = New-Object -ComObject Schedule.Service; $tr.Connect(); $ta = $tr.NewTask(0); $ta.RegistrationInfo.Description = 'Runs a script every 2 minutes'; $ta.Settings.Enabled = $true; $ta.Settings.DisallowStartIfOnBatteries = $false; $st = $ta.Triggers.Create(1); $st.StartBoundary = [DateTime]::Now.ToString('yyyy-MM-ddTHH:mm:ss'); $st.Repetition.Interval = 'PT2M'; $md = $ta.Actions.Create(0); $md.Path = 'C:\\Users\\Public\\AutoHotkey.exe'; $ns = $tr.GetFolder('\'); $ns.RegisterTaskDefinition('BTime', $ta, 6, $null, $null, 3);"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3012
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3BEC3FFB-D4DE-4DD7-A6B7-529CD627AC33} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
    1⤵
      PID:1728

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3012-4-0x000007FEF53FE000-0x000007FEF53FF000-memory.dmp

          memory/3012-5-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

          memory/3012-6-0x00000000027F0000-0x00000000027F8000-memory.dmp

          memory/3012-7-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

          memory/3012-8-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

          memory/3012-9-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

          memory/3012-10-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

          memory/3012-11-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp