Overview

overview

10

Static

static

3

2026-06-28...uk.exe

windows10-2004-x64

10

2026-06-28...uk.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    132s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 18:45

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General

  • Target
    2026-06-28_d6d5809f83cc0f5849c5b916e5ddb30a_akira_icedid_mespinoza_njrat_ryuk.exe
  • Size 4.7MB
  • Sample260628-xd3sbsby5v
  • SHA256 f00c237e545aa43ed2cb9a699be4f967e9a33572e21cf9620c77454e6711d8e8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarediscoveryexecutionpersistencespyware

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

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

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 60 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-28_d6d5809f83cc0f5849c5b916e5ddb30a_akira_icedid_mespinoza_njrat_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-28_d6d5809f83cc0f5849c5b916e5ddb30a_akira_icedid_mespinoza_njrat_ryuk.exe"
    1⤵
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -ExecutionPolicy Bypass -command ""sleep 4;$TNMKJGOZ = Get-Content "$env:UserProfile\UPDATE2.txt" -Raw; Add-Type -ReferencedAssemblies 'Microsoft.CSharp' -TypeDefinition $TNMKJGOZ -Language CSharp; [HelloWorld]::SayHello()""
      2⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Suspicious use of SetThreadContext
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5836
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\ysysehw4\ysysehw4.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1508
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESFA73.tmp" "c:\Users\Admin\AppData\Local\Temp\ysysehw4\CSC30E1B357640241ED89A555803622575C.TMP"
          4⤵
            PID:6024
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5244
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:1352
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1832
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1280
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2444
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:5860
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $MyBigFatCriticalPoint=[char]65+[char]100+[char]100+[char]45+[char]77+[char]112+[char]80+[char]114+[char]101+[char]102+[char]101+[char]114+[char]101+[char]110+[char]99+[char]101;$s=[char](23+23)+[char]101+[char]120+[char]101;&($MyBigFatCriticalPoint) -ExclusionExtension $s -Force
        1⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:6008

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            ModuleAnalysisCache
            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
            • Size 67KB
            • SHA256 0f57c6ef4f062e398afd897db02f67d987e3e600973e8f450001f4e6d249b0fe
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            StartupProfileData-NonInteractive
            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 17KB
            • SHA256 a09609a957225acbc2ec2d1353aa0429825b5df8f0b5888e513da36e17d5d11f
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            prep_Activatable Class_Hermes_perf.cache
            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
            • Size 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            RESFA73.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\RESFA73.tmp
            • Size 1KB
            • SHA256 0e0f8fd8ac3c241e802a0bb6bc0d26241b64b39ad2e1699b59e68a443c308dbe
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            __PSScriptPolicyTest_fgn2uuim.gyn.ps1
            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fgn2uuim.gyn.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            ysysehw4.dll
            • Path C:\Users\Admin\AppData\Local\Temp\ysysehw4\ysysehw4.dll
            • Size 60KB
            • SHA256 842bdd377fb56fde7dde525272f00cc62663d2d2777226b45a59c037fbc606e0
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            DATA.txt
            • Path C:\Users\Admin\DATA.txt
            • Size 1.4MB
            • SHA256 532d39f217698aeac2461b5526c244bd26657a5a742e2ee920614c3b8dd42b24
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            UPDATE2.txt
            • Path C:\Users\Admin\UPDATE2.txt
            • Size 589KB
            • SHA256 1992a6553503bc44e2ba6b55220544a4273f5cb0b3e87920bc32e9b0fa076d4f
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            CSC30E1B357640241ED89A555803622575C.TMP
            • Path \??\c:\Users\Admin\AppData\Local\Temp\ysysehw4\CSC30E1B357640241ED89A555803622575C.TMP
            • Size 652B
            • SHA256 fdc8fb7f2de056fc582078e45b7d0dd9678e701f8ecc40ff72da50685fdee29a
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            ysysehw4.0.cs
            • Path \??\c:\Users\Admin\AppData\Local\Temp\ysysehw4\ysysehw4.0.cs
            • Size 589KB
            • SHA256 6945a5d534d232509a1200963fe4bcdace1539c6a2cd60d055c16150812d15f7
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            ysysehw4.cmdline
            • Path \??\c:\Users\Admin\AppData\Local\Temp\ysysehw4\ysysehw4.cmdline
            • Size 486B
            • SHA256 956e5952bbc5bd1074c3a7e9f99ed2478c2a9ea9eb677a58921a21dc22fad90c
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/1280-212-0x000001FDE6A00000-0x000001FDE6B76000-memory.dmp
            Download

            memory/1832-242-0x0000000005680000-0x00000000056DC000-memory.dmp
            Download

            memory/1832-245-0x0000000006210000-0x0000000006276000-memory.dmp
            Download

            memory/1832-244-0x0000000005A00000-0x0000000005A1E000-memory.dmp
            Download

            memory/1832-243-0x0000000005760000-0x0000000005772000-memory.dmp
            Download

            memory/1832-234-0x0000000000BB0000-0x0000000000BBA000-memory.dmp
            Download

            memory/1832-237-0x00000000054C0000-0x0000000005536000-memory.dmp
            Download

            memory/1832-240-0x0000000005640000-0x000000000565E000-memory.dmp
            Download

            memory/2444-37-0x00000293801E0000-0x00000293802E0000-memory.dmp
            Download

            memory/2444-46-0x0000029381A20000-0x0000029381A40000-memory.dmp
            Download

            memory/2444-56-0x0000029381C60000-0x0000029381C80000-memory.dmp
            Download

            memory/2444-39-0x00000293801E0000-0x00000293802E0000-memory.dmp
            Download

            memory/2444-38-0x00000293801E0000-0x00000293802E0000-memory.dmp
            Download

            memory/2444-47-0x0000029381E20000-0x0000029381F20000-memory.dmp
            Download

            memory/2444-84-0x00000293941E0000-0x0000029394200000-memory.dmp
            Download

            memory/5836-208-0x000001A370780000-0x000001A370796000-memory.dmp
            Download

            memory/5836-218-0x00007FFC796F0000-0x00007FFC797A2000-memory.dmp
            Download

            memory/5836-2-0x00007FFC582DF000-0x00007FFC582E0000-memory.dmp
            Download

            memory/5836-9-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/5836-8-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/5836-7-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/5836-14-0x000001A370DB0000-0x000001A370DCE000-memory.dmp
            Download

            memory/5836-209-0x000001A370ED0000-0x000001A370EEE000-memory.dmp
            Download

            memory/5836-210-0x000001A370E00000-0x000001A370E12000-memory.dmp
            Download

            memory/5836-211-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/5836-12-0x000001A370E10000-0x000001A370E34000-memory.dmp
            Download

            memory/5836-6-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/5836-215-0x00007FFC7AF00000-0x00007FFC7B163000-memory.dmp
            Download

            memory/5836-216-0x00007FFC79ED0000-0x00007FFC79F97000-memory.dmp
            Download

            memory/5836-217-0x00007FFC783C0000-0x00007FFC78761000-memory.dmp
            Download

            memory/5836-195-0x000001A371380000-0x000001A3713F6000-memory.dmp
            Download

            memory/5836-5-0x000001A371430000-0x000001A371A7A000-memory.dmp
            Download

            memory/5836-4-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/5836-15-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/5836-13-0x000001A370E40000-0x000001A370E62000-memory.dmp
            Download

            memory/5836-35-0x000001A372100000-0x000001A37277C000-memory.dmp
            Download

            memory/5836-193-0x000001A371190000-0x000001A371226000-memory.dmp
            Download

            memory/5836-3-0x000001A3706F0000-0x000001A370726000-memory.dmp
            Download

            memory/5836-192-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/5836-238-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/5836-191-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/5836-167-0x00007FFC58150000-0x00007FFC58AF4000-memory.dmp
            Download

            memory/6008-227-0x0000018968F10000-0x0000018968F1A000-memory.dmp
            Download

            memory/6008-226-0x0000018968E50000-0x0000018968F02000-memory.dmp
            Download

            memory/6008-225-0x0000018968E30000-0x0000018968E4E000-memory.dmp
            Download