Overview

overview

10

Static

static

3

2026-08-07...ar.exe

windows10-2004-x64

10

2026-08-07...ar.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 08:21

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General

  • Target
    2026-08-07_e53e509f65f87399691895687dff6160_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe
  • Size 20.8MB
  • Sample260807-j84ffstvfv
  • SHA256 c8fd1985e01bb63b47fb890c66aaf8c491c3eb19d39fee3fd16ffaa574bdb390
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoordiscoveryexecutionvalleyrat_s2

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • ckjbjbiibb.top:443

  • 66.203.153.198:443

  • 127.0.0.1:80

Attributes
  • campaign_date

    2026. 7.23

Signatures

  • Family: ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

    backdoorvalleyrat_s2
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

    execution
  • Discovers running processes 1 TTPs 2 IoCs

    Running process information can be used to identify security tools or plan follow-on actions.

    discovery
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

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

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: LoadsDriver 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-07_e53e509f65f87399691895687dff6160_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-07_e53e509f65f87399691895687dff6160_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c tasklist /fi "imagename eq 360Tray.exe" /fo csv /nh
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4236
      • C:\Windows\system32\tasklist.exe
        tasklist /fi "imagename eq 360Tray.exe" /fo csv /nh
        3⤵
        • Discovers running processes
        • Suspicious use of AdjustPrivilegeToken
        PID:3932
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c tasklist /fi "imagename eq 360sd.exe" /fo csv /nh
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:6064
      • C:\Windows\system32\tasklist.exe
        tasklist /fi "imagename eq 360sd.exe" /fo csv /nh
        3⤵
        • Discovers running processes
        • Suspicious use of AdjustPrivilegeToken
        PID:4220
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -ExecutionPolicy Bypass -Command "$action = New-ScheduledTaskAction -Execute '"C:\config\Windows_system_deponcom.exe"' -WorkingDirectory 'C:\'; $trigger = New-ScheduledTaskTrigger -Once -At (Get-Date); $trigger.Repetition = (New-ScheduledTaskTrigger -Once -At (Get-Date) -RepetitionInterval (New-TimeSpan -Minutes 1)).Repetition; $settings = New-ScheduledTaskSettingsSet -StartWhenAvailable -DontStopOnIdleEnd -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries; $principal = New-ScheduledTaskPrincipal -UserId (whoami) -LogonType Interactive -RunLevel Highest; Register-ScheduledTask -TaskName 'WindowsSafe' -TaskPath '\Microsoft\' -Action $action -Trigger $trigger -Settings $settings -Principal $principal -Force;"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Windows\system32\whoami.exe
        "C:\Windows\system32\whoami.exe"
        3⤵
          PID:5020
    • C:\config\SafeCenterController.exe
      C:\config\SafeCenterController.exe
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4168
      • C:\Windows\system32\taskmgr.exe
        taskmgr.exe
        2⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        PID:2140
    • C:\Users\Admin\AppData\Local\Temp\kppxptn1.sys
      C:\Users\Admin\AppData\Local\Temp\kppxptn1.sys
      1⤵
      • Executes dropped EXE
      PID:968
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:4520
      • C:\config\Windows_system_deponcom.exe
        "C:\config\Windows_system_deponcom.exe"
        1⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4848
        • C:\config\Battle.net.exe
          "C:\config\Battle.net.exe" --from-launcher
          2⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:4608

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            SecurityProviderCore.dll
            • Path C:\ProgramData\SecurityCenter\Runtime\SecurityProviderCore.dll
            • Size 319KB
            • SHA256 f5449806ad50242a4df9186455434b5957f3fc2044d85a9f1d9135a542b678cc
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            kppxptn1.sys
            • Path C:\Users\Admin\AppData\Local\Temp\kppxptn1.sys
            • Size 28KB
            • SHA256 e2461a1724f3676dd861ab38850a19f7f7ca60371d01f69800ffbbf3297581e0
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            Battle.net.exe
            • Path C:\config\Battle.net.exe
            • Size 20.8MB
            • SHA256 c8fd1985e01bb63b47fb890c66aaf8c491c3eb19d39fee3fd16ffaa574bdb390
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            SafeCenterController.exe
            • Path C:\config\SafeCenterController.exe
            • Size 804KB
            • SHA256 c75847c3b341049b81b49f97f55d1a66ec92bb0a033ba0711700824a6cb9d87c
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            Windows_system_deponcom.exe
            • Path C:\config\Windows_system_deponcom.exe
            • Size 211KB
            • SHA256 a899063db35e45811a62c7abc8e63f8a2bc91253c1a875899a7bec8bff924e49
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/968-21-0x0000000000010000-0x000000000001A000-memory.dmp
            Download

            memory/1676-10-0x000001F4A1AB0000-0x000001F4A1AD2000-memory.dmp
            Download

            memory/1676-13-0x000001F4A1B60000-0x000001F4A1B7E000-memory.dmp
            Download

            memory/1676-14-0x000001F4A1B80000-0x000001F4A1C32000-memory.dmp
            Download

            memory/1676-15-0x000001F4A1C40000-0x000001F4A1C4A000-memory.dmp
            Download

            memory/1676-16-0x000001F4A20D0000-0x000001F4A20EE000-memory.dmp
            Download

            memory/2128-6-0x0000021D61B20000-0x0000021D61B93000-memory.dmp
            Download