Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2025, 08:41

General

  • Target

    c4d045d0748ee08c602a1fc3a46b1498ce7297c18f12f9db44ea2b2dbfb4e37dN.exe

  • Size

    229KB

  • MD5

    528f26b2d46cd04b6fcb6fafcb3abf40

  • SHA1

    857455c1dcdcd7bceabfff1f532ee3714e743245

  • SHA256

    c4d045d0748ee08c602a1fc3a46b1498ce7297c18f12f9db44ea2b2dbfb4e37d

  • SHA512

    20c0c8b69d8fb6045ac3f2e83fca527ac99a68375e62b4b3d8d66daa402ddfad1640f63721871aa2254bf71bb58beae2ef30a50154ef9dc6fa6c4a35999d8c5a

  • SSDEEP

    6144:FloZM+rIkd8g+EtXHkv/iD4AFyuMS1NmYzus9x4uab8e1mti:HoZtL+EP8AFyuMS1NmYzus9x45j

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

    Using powershell.exe command.

  • Drops file in Drivers directory 1 IoCs
  • Deletes itself 1 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4d045d0748ee08c602a1fc3a46b1498ce7297c18f12f9db44ea2b2dbfb4e37dN.exe
    "C:\Users\Admin\AppData\Local\Temp\c4d045d0748ee08c602a1fc3a46b1498ce7297c18f12f9db44ea2b2dbfb4e37dN.exe"
    1⤵
    • Drops file in Drivers directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2488
    • C:\Windows\system32\attrib.exe
      "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\c4d045d0748ee08c602a1fc3a46b1498ce7297c18f12f9db44ea2b2dbfb4e37dN.exe"
      2⤵
      • Views/modifies file attributes
      PID:2868
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\c4d045d0748ee08c602a1fc3a46b1498ce7297c18f12f9db44ea2b2dbfb4e37dN.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3028
    • 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:2716
    • 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:2612
    • 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:1452
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2828
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" computersystem get totalphysicalmemory
      2⤵
        PID:1112
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        2⤵
          PID:1192
        • 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:1076
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic" path win32_VideoController get name
          2⤵
          • Detects videocard installed
          PID:2940
        • C:\Windows\system32\cmd.exe
          "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\c4d045d0748ee08c602a1fc3a46b1498ce7297c18f12f9db44ea2b2dbfb4e37dN.exe" && pause
          2⤵
          • Deletes itself
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:2132
          • C:\Windows\system32\PING.EXE
            ping localhost
            3⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:2144

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\EDQVR23JQ19DZWGAQM9I.temp

        Filesize

        7KB

        MD5

        8e1553bde7fa004bed84b326ad4db13d

        SHA1

        e8a214596860078bc5c5e24f757f4dfe7e0bc6da

        SHA256

        fd754b2672ccc5ac669605b69345fa3d5f1f02a99ff70ebca9bbfccc6bf023e6

        SHA512

        6e973424dc4e1984f2a74cb06bdb2023c2d18627017174d3b2a8d5012edaf5849a06cbda42e3d089881edb1baf0d592b3837d7a69e4f4d1a4dae682fa66f4efc

      • memory/1076-43-0x0000000002240000-0x0000000002248000-memory.dmp

        Filesize

        32KB

      • memory/2336-0-0x000007FEF5A03000-0x000007FEF5A04000-memory.dmp

        Filesize

        4KB

      • memory/2336-1-0x0000000001100000-0x0000000001140000-memory.dmp

        Filesize

        256KB

      • memory/2336-2-0x000007FEF5A00000-0x000007FEF63EC000-memory.dmp

        Filesize

        9.9MB

      • memory/2336-47-0x000007FEF5A00000-0x000007FEF63EC000-memory.dmp

        Filesize

        9.9MB

      • memory/2716-14-0x000000001B500000-0x000000001B7E2000-memory.dmp

        Filesize

        2.9MB

      • memory/2716-15-0x0000000001E00000-0x0000000001E08000-memory.dmp

        Filesize

        32KB

      • memory/3028-7-0x000000001B610000-0x000000001B8F2000-memory.dmp

        Filesize

        2.9MB

      • memory/3028-8-0x0000000002350000-0x0000000002358000-memory.dmp

        Filesize

        32KB