Analysis

  • max time kernel
    19s
  • max time network
    21s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/04/2025, 08:01

General

  • Target

    MIDNIGHT.exe

  • Size

    230KB

  • MD5

    7b96b2b4d1a942f2b3cb34678bef7a81

  • SHA1

    ce236036608b846f9efb0892684f793dfd6eaea7

  • SHA256

    5971cfc5a8c3803c278136912b255f50c29ed4ab30e5173d723d837deffacf5b

  • SHA512

    28508d5504743721dcf82b5c6771037d1dc7140ddd8de079004a1c55f2a7ae3d2ebc92c40647387819a51f3c10f0e33a543e1e9e5248ec1282423a3e03553c1b

  • SSDEEP

    6144:eloZM9rIkd8g+EtXHkv/iD4DSB2zZqStoY5rWWDJ2b8e1mYxi:IoZmL+EP8DSB2zZqStoY5rWWDkM

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Umbral family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MIDNIGHT.exe
    "C:\Users\Admin\AppData\Local\Temp\MIDNIGHT.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4524
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:452
    • C:\Windows\SYSTEM32\attrib.exe
      "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\MIDNIGHT.exe"
      2⤵
      • Views/modifies file attributes
      PID:3864
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\MIDNIGHT.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1052
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4712
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3772
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1784
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4724
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" computersystem get totalphysicalmemory
      2⤵
        PID:3500
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        2⤵
          PID:2332
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
          2⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:3608
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic" path win32_VideoController get name
          2⤵
          • Detects videocard installed
          PID:5032
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\MIDNIGHT.exe" && pause
          2⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:4460
          • C:\Windows\system32\PING.EXE
            ping localhost
            3⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:1616

      Network

      MITRE ATT&CK Enterprise v16

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

        Filesize

        2KB

        MD5

        d85ba6ff808d9e5444a4b369f5bc2730

        SHA1

        31aa9d96590fff6981b315e0b391b575e4c0804a

        SHA256

        84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

        SHA512

        8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        944B

        MD5

        efca23ae52dabf07f3d29e519919c102

        SHA1

        27d0569732907fb88ba1e1388661b4069b76397b

        SHA256

        fddc683c48941c319146983595ad967c2e4aa79df1501938e115f7c7747fc07c

        SHA512

        a47bc846c03a09eac4ab70ffb047f570a9af1794ed475587fc24ac1e9ea0cea32b9645b2c1d7e773f49b42bb45f2f46549f41f058ece5cee4d2eba575cfaf0ca

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        948B

        MD5

        17d8127be94d3c1b6fcc9a4ed585003e

        SHA1

        789874fcc7c778c723f3e89822d8cc8750c6c4c8

        SHA256

        ea357ad1f95863b3618d31e5b0f90495331f64de2b784d9e185b48668c937a7b

        SHA512

        bb18b6d07d82227f5cfbe3eb460df79ec892c560ad2964dcd4782aa26336ae15059843bf46a739bdd4a4daa58057f99102531a756a1cf434ce6449b3cd35a98e

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        1KB

        MD5

        276798eeb29a49dc6e199768bc9c2e71

        SHA1

        5fdc8ccb897ac2df7476fbb07517aca5b7a6205b

        SHA256

        cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc

        SHA512

        0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        1KB

        MD5

        8f3ec0e6ed3151a95adbb64059cc2a1e

        SHA1

        0740371db069cbbf9f3f5bced885ab01d234761d

        SHA256

        ea97a261a508f91d9a7983da77425fa99aed0d80a2e47ae42c066e98c0ef3d16

        SHA512

        27ad5b21385cb9a0d99c9797e0a0aaeecfb34766872d03a97d00673823f211284a9aeb5fe4bb6ebfe3b2e7bb0152c39e3f0466654c2dd0d807f17a67b6a544a9

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3yo0lbl4.22c.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/1052-9-0x00000168DC120000-0x00000168DC142000-memory.dmp

        Filesize

        136KB

      • memory/1052-14-0x00007FF946670000-0x00007FF947131000-memory.dmp

        Filesize

        10.8MB

      • memory/1052-15-0x00007FF946670000-0x00007FF947131000-memory.dmp

        Filesize

        10.8MB

      • memory/1052-18-0x00007FF946670000-0x00007FF947131000-memory.dmp

        Filesize

        10.8MB

      • memory/1052-3-0x00007FF946670000-0x00007FF947131000-memory.dmp

        Filesize

        10.8MB

      • memory/4524-33-0x000001EFD90F0000-0x000001EFD9140000-memory.dmp

        Filesize

        320KB

      • memory/4524-32-0x000001EFD9170000-0x000001EFD91E6000-memory.dmp

        Filesize

        472KB

      • memory/4524-34-0x000001EFBEED0000-0x000001EFBEEEE000-memory.dmp

        Filesize

        120KB

      • memory/4524-0-0x00007FF946673000-0x00007FF946675000-memory.dmp

        Filesize

        8KB

      • memory/4524-1-0x000001EFBEA00000-0x000001EFBEA40000-memory.dmp

        Filesize

        256KB

      • memory/4524-70-0x000001EFD9140000-0x000001EFD914A000-memory.dmp

        Filesize

        40KB

      • memory/4524-71-0x000001EFD91F0000-0x000001EFD9202000-memory.dmp

        Filesize

        72KB

      • memory/4524-2-0x00007FF946670000-0x00007FF947131000-memory.dmp

        Filesize

        10.8MB

      • memory/4524-89-0x00007FF946670000-0x00007FF947131000-memory.dmp

        Filesize

        10.8MB