Analysis

  • max time kernel
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/05/2026, 22:45

General

  • Target
    focizClient.exe
  • Size 180.0MB
  • Sample260517-2pjk2sdv71
  • SHA256 832c9b2dd15ba5a611f70d79024fa3607b893a228b30650034e712ff1d534be8
  • 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 5 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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\focizClient.exe
    "C:\Users\Admin\AppData\Local\Temp\focizClient.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\focizClient.exe
      "C:\Users\Admin\AppData\Local\Temp\focizClient.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\focizclient-c1i9" --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --field-trial-handle=1760,i,17288218620591695023,14116266504021738743,262144 --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=1752 /prefetch:2
      2⤵
        PID:4520
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "powershell -NoProfile -NonInteractive -EncodedCommand RwBlAHQALQBDAGkAbQBJAG4AcwB0AGEAbgBjAGUAIABXAGkAbgAzADIAXwBWAGkAZABlAG8AQwBvAG4AdAByAG8AbABsAGUAcgAgAHwAIABTAGUAbABlAGMAdAAtAE8AYgBqAGUAYwB0ACAALQBFAHgAcABhAG4AZABQAHIAbwBwAGUAcgB0AHkAIABOAGEAbQBlAA=="
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4000
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -NonInteractive -EncodedCommand RwBlAHQALQBDAGkAbQBJAG4AcwB0AGEAbgBjAGUAIABXAGkAbgAzADIAXwBWAGkAZABlAG8AQwBvAG4AdAByAG8AbABsAGUAcgAgAHwAIABTAGUAbABlAGMAdAAtAE8AYgBqAGUAYwB0ACAALQBFAHgAcABhAG4AZABQAHIAbwBwAGUAcgB0AHkAIABOAGEAbQBlAA==
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1588
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "net session"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4644
        • C:\Windows\system32\net.exe
          net session
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2192
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 session
            4⤵
              PID:2684
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "taskkill /F /IM SecHealthUI.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1796
          • C:\Windows\system32\taskkill.exe
            taskkill /F /IM SecHealthUI.exe
            3⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4420
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -NoProfile -NonInteractive -EncodedCommand dAByAHkAIAB7ACAAQQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAJwAgAC0ARQByAHIAbwByAEEAYwB0AGkAbwBuACAAUwBpAGwAZQBuAHQAbAB5AEMAbwBuAHQAaQBuAHUAZQAgAH0AIABjAGEAdABjAGgAIAB7AH0A
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3768
        • C:\Users\Admin\AppData\Local\Temp\focizClient.exe
          "C:\Users\Admin\AppData\Local\Temp\focizClient.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\focizclient-c1i9" --field-trial-handle=1992,i,17288218620591695023,14116266504021738743,262144 --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=1996 /prefetch:3
          2⤵
            PID:2528
          • C:\Users\Admin\AppData\Local\Temp\c0958748f41af368.exe
            C:\Users\Admin\AppData\Local\Temp\c0958748f41af368.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 behavior: EnumeratesProcesses
            PID:988

        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 7efad5d80ceddcb6a8e1440b20b24873c49cb003daa8fe26bb155e2ff7f67a36
              • MD5 SHA1 SHA512 TLSH

              __PSScriptPolicyTest_v2ttken5.suh.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v2ttken5.suh.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              c0958748f41af368.exe

              • Path C:\Users\Admin\AppData\Local\Temp\c0958748f41af368.exe
              • Size 3.2MB
              • SHA256 b4995ef9734c892b27a817feed33c186f89369665777dde830ffe79c58e1e369
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/988-36-0x0000000140000000-0x00000001407A5000-memory.dmp

              memory/988-35-0x0000000140000000-0x00000001407A5000-memory.dmp

              memory/988-37-0x0000000140000000-0x00000001407A5000-memory.dmp

              memory/988-38-0x0000000140000000-0x00000001407A5000-memory.dmp

              memory/1588-9-0x000002B36CFB0000-0x000002B36CFD2000-memory.dmp

              memory/1588-10-0x000002B36D320000-0x000002B36D34A000-memory.dmp

              memory/1588-11-0x000002B36D320000-0x000002B36D344000-memory.dmp