Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250619-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250619-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    09/08/2025, 00:57

General

  • Target
    EUNIQ[1].exe
  • Size 3.0MB
  • Sample250809-bbdvjafk5x
  • SHA256 392f0069054e6f7e1a7a6bbf6128c7bb03833fc87083fac04c1154cdca133b72
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to execute payload.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EUNIQ[1].exe
    "C:\Users\Admin\AppData\Local\Temp\EUNIQ[1].exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3740
    • C:\Users\Admin\AppData\Local\Temp\is-8FQE0.tmp\EUNIQ[1].tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8FQE0.tmp\EUNIQ[1].tmp" /SL5="$401F6,2403327,909824,C:\Users\Admin\AppData\Local\Temp\EUNIQ[1].exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4316
      • C:\Users\Admin\AppData\Local\Temp\EUNIQ[1].exe
        "C:\Users\Admin\AppData\Local\Temp\EUNIQ[1].exe" /VERYSILENT
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1952
        • C:\Users\Admin\AppData\Local\Temp\is-ID7AO.tmp\EUNIQ[1].tmp
          "C:\Users\Admin\AppData\Local\Temp\is-ID7AO.tmp\EUNIQ[1].tmp" /SL5="$60254,2403327,909824,C:\Users\Admin\AppData\Local\Temp\EUNIQ[1].exe" /VERYSILENT
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:5604
          • C:\Windows\SysWOW64\regsvr32.exe
            "C:\Windows\system32\regsvr32.exe" /s /i:googlechromebusiness.msi "C:\Users\Admin\AppData\Local\9MediumVioletRed.pfx"
            5⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:220
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command "if (Get-ScheduledTask | Where-Object { $_.Actions.Execute -eq 'regsvr32' -and $_.Actions.Arguments -eq '/s /i:googlechromebusiness.msi \"\\?\C:\Users\Admin\AppData\Local\9MediumVioletRed.pfx\"' }) { exit 0 } else { exit 1 }"
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1028
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
              "PowerShell.exe" -NoProfile -NonInteractive -Command -
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:5004
  • C:\Windows\system32\regsvr32.EXE
    "C:\Windows\system32\regsvr32.EXE" /s /i:googlechromebusiness.msi "\\?\C:\Users\Admin\AppData\Local\9MediumVioletRed.pfx"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Windows\SysWOW64\regsvr32.exe
      /s /i:googlechromebusiness.msi "\\?\C:\Users\Admin\AppData\Local\9MediumVioletRed.pfx"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5544
  • C:\Windows\system32\regsvr32.EXE
    "C:\Windows\system32\regsvr32.EXE" /s /i:googlechromebusiness.msi "\\?\C:\Users\Admin\AppData\Local\9MediumVioletRed.pfx"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Windows\SysWOW64\regsvr32.exe
      /s /i:googlechromebusiness.msi "\\?\C:\Users\Admin\AppData\Local\9MediumVioletRed.pfx"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5348

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Admin:.repos

        • Path C:\Users\Admin:.repos
        • Size 1.2MB
        • SHA256 e85b4e442a98a05c30fa5178488c38fa256ac22939aa16246969e825354c6640
        • MD5 SHA1 SHA512 SSDEEP

        9MediumVioletRed.pfx

        • Path C:\Users\Admin\AppData\Local\9MediumVioletRed.pfx
        • Size 4.3MB
        • SHA256 f16cb9989af3303e14ee04f6e094cd6533e6bf9b0783dbf7b9e2024405b0a621
        • MD5 SHA1 SHA512 SSDEEP

        PowerShell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PowerShell.exe.log
        • Size 2KB
        • SHA256 b97b56e7ceecc7fe39522d3989d98bd233353d0269a7f6517e4a8286b4ed1dc4
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 20KB
        • SHA256 ca20e281b958d0d048bd9ee571a78ce816e568aee882ac12197cd6d28807e9d7
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_lm12q1no.odi.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lm12q1no.odi.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        EUNIQ[1].tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-8FQE0.tmp\EUNIQ[1].tmp
        • Size 2.6MB
        • SHA256 9467158bf60a31cbfdf60b4df84fe4b1e5afaa0e5016660265becce701a958f6
        • MD5 SHA1 SHA512 SSDEEP

        memory/220-227-0x0000000073FD0000-0x0000000074413000-memory.dmp

        memory/220-172-0x0000000073FD0000-0x0000000074413000-memory.dmp

        memory/220-86-0x0000000073FD0000-0x0000000074413000-memory.dmp

        memory/1028-57-0x00000000070A0000-0x00000000070BA000-memory.dmp

        memory/1028-55-0x0000000006FF0000-0x0000000007093000-memory.dmp

        memory/1028-27-0x00000000051F0000-0x00000000058BA000-memory.dmp

        memory/1028-28-0x0000000004DE0000-0x0000000004E02000-memory.dmp

        memory/1028-30-0x0000000004FF0000-0x0000000005056000-memory.dmp

        memory/1028-29-0x0000000004F80000-0x0000000004FE6000-memory.dmp

        memory/1028-60-0x0000000007280000-0x0000000007291000-memory.dmp

        memory/1028-40-0x00000000058C0000-0x0000000005C17000-memory.dmp

        memory/1028-41-0x0000000005D20000-0x0000000005D3E000-memory.dmp

        memory/1028-42-0x0000000005D70000-0x0000000005DBC000-memory.dmp

        memory/1028-43-0x0000000006EE0000-0x0000000006F12000-memory.dmp

        memory/1028-44-0x0000000074B60000-0x0000000074BAC000-memory.dmp

        memory/1028-54-0x0000000006F20000-0x0000000006F3E000-memory.dmp

        memory/1028-26-0x00000000023B0000-0x00000000023E6000-memory.dmp

        memory/1028-56-0x0000000007720000-0x0000000007D9A000-memory.dmp

        memory/1028-59-0x0000000007350000-0x00000000073E6000-memory.dmp

        memory/1028-58-0x00000000070F0000-0x00000000070FA000-memory.dmp

        memory/1952-25-0x0000000000400000-0x00000000004EC000-memory.dmp

        memory/1952-8-0x0000000000400000-0x00000000004EC000-memory.dmp

        memory/3740-0-0x0000000000400000-0x00000000004EC000-memory.dmp

        memory/3740-12-0x0000000000400000-0x00000000004EC000-memory.dmp

        memory/4316-10-0x0000000000400000-0x00000000006A6000-memory.dmp

        memory/4316-5-0x0000000000870000-0x0000000000871000-memory.dmp

        memory/5004-74-0x0000000074B60000-0x0000000074BAC000-memory.dmp

        memory/5604-23-0x0000000000400000-0x00000000006A6000-memory.dmp

        memory/5604-16-0x0000000000860000-0x0000000000861000-memory.dmp