Analysis

  • max time kernel
    300s
  • max time network
    298s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/08/2026, 16:24

General

  • Target
    Contract - CB-KLS+А+В2 (003) - 14.08.26.js
  • Size 199KB
  • Sample260815-twvb5adr41
  • SHA256 6ecdce814b4e49ffb10d7b221b75bfb0838aabe7f0f9a3890d3b4aecc4f23dab
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 109.248.150.234:1012

Mutex
  • aGO284VKfQVe8Vup

Attributes
  • Install_directory

    %AppData%

  • install_file

    bin.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Run Powershell and hide display window.

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 6 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Contract - CB-KLS+А+В2 (003) - 14.08.26.js"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\iio0bmt8\svc_58142_c957.vbs"
      2⤵
      • Executes a VBScript file via the Windows Script Host.
      • Suspicious use of WriteProcessMemory
      PID:4840
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoP -EP Bypass -NonInteractive -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\iio0bmt8\clr_26294_c91c.ps1"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1848
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\ezqnzivp\ezqnzivp.cmdline"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:300
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES78A1.tmp" "c:\Users\Admin\AppData\Local\Temp\ezqnzivp\CSC20E81A7DFA1B4F1AA29D5747E83377F2.TMP"
            5⤵
              PID:5648
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            4⤵
            • Creates a file in the Startup directory
            • Accesses Microsoft Outlook profiles
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • outlook_office_path
            • outlook_win_path
            PID:5476
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe'
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2184
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MSBuild.exe'
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:5948
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\bin.exe'
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3168
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'bin.exe'
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              PID:2568
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "bin" /tr "C:\Users\Admin\AppData\Roaming\bin.exe"
              5⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:1012
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
              "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /target:exe /out:"C:\Users\Admin\AppData\Local\Temp\MSBuild.exe" "C:\Users\Admin\AppData\Local\Temp\guardian_src_993fff64cdde4d61801b0ce349d3abdb.cs"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:2816
              • 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\RESE5E2.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC984ADC8C5C248DB86E22B9881A92961.TMP"
                6⤵
                  PID:5820
              • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
                "C:\Users\Admin\AppData\Local\Temp\MSBuild.exe" 5476
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                PID:5708
      • C:\Users\Admin\AppData\Roaming\bin.exe
        C:\Users\Admin\AppData\Roaming\bin.exe
        1⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4396
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:4848
        • C:\Users\Admin\AppData\Roaming\bin.exe
          "C:\Users\Admin\AppData\Roaming\bin.exe"
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:264
        • C:\Users\Admin\AppData\Roaming\bin.exe
          "C:\Users\Admin\AppData\Roaming\bin.exe"
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:5696
        • C:\Users\Admin\AppData\Roaming\bin.exe
          "C:\Users\Admin\AppData\Roaming\bin.exe"
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4936
        • C:\Users\Admin\AppData\Roaming\bin.exe
          "C:\Users\Admin\AppData\Roaming\bin.exe"
          1⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3488

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 19KB
              • SHA256 7684903fd6f2d24af89c2a7dc445e85ada6956d29752e897de5cde820bb91323
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 21KB
              • SHA256 79c27bfe5cdb37bfb67eee340062ccf17aa46d8cfcfedd9062e39538e8b63809
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 21KB
              • SHA256 3d96c4acda985b2401a8998e8147bf4a5bfa64b3a78040ae5140129069c03564
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 21KB
              • SHA256 35134cf797fdbaac9e8ffcfdc202d1f77530a18f3600e15c93928087200e4426
              • MD5 SHA1 SHA512 SSDEEP TLSH

              MSBuild.exe

              • Path C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
              • Size 5KB
              • SHA256 45006d8a34e74d2d3d0509510191f6129ab36e60037b7f554714117c5ce3ac35
              • MD5 SHA1 SHA512 SSDEEP TLSH

              RES78A1.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\RES78A1.tmp
              • Size 1KB
              • SHA256 fd443934848f850ce237e55563918e3dd6dce3023512473ce5ef7e9c94db8cde
              • MD5 SHA1 SHA512 TLSH

              RESE5E2.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\RESE5E2.tmp
              • Size 1KB
              • SHA256 82330db30cd99606f8fe217bb680c89a8e6dd5a40472bec1394f6aef72f6b093
              • MD5 SHA1 SHA512 TLSH

              __PSScriptPolicyTest_aucwh1bm.a2e.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_aucwh1bm.a2e.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              ezqnzivp.dll

              • Path C:\Users\Admin\AppData\Local\Temp\ezqnzivp\ezqnzivp.dll
              • Size 3KB
              • SHA256 6bc46f5f5d2200ad1052b9eef6e1eb3624384dfd7889a1956ed17506364887cd
              • MD5 SHA1 SHA512 TLSH

              clr_26294_c91c.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\iio0bmt8\clr_26294_c91c.ps1
              • Size 68KB
              • SHA256 af5d987ef22e801d706d226617fd704687dce94d39eb27bc2c13c57f1daa992f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              svc_58142_c957.vbs

              • Path C:\Users\Admin\AppData\Local\Temp\iio0bmt8\svc_58142_c957.vbs
              • Size 228B
              • SHA256 ca91c0084405be97cc98b130f7f7a6ef3e9c4dbc3c4591f2d51fd151934fd429
              • MD5 SHA1 SHA512 TLSH

              bin.exe

              • Path C:\Users\Admin\AppData\Roaming\bin.exe
              • Size 249KB
              • SHA256 151d0125c20cdde578d02de3f2a56eb904870a887bb7f1c59bf61471da231916
              • MD5 SHA1 SHA512 SSDEEP TLSH

              CSC984ADC8C5C248DB86E22B9881A92961.TMP

              • Path \??\c:\Users\Admin\AppData\Local\Temp\CSC984ADC8C5C248DB86E22B9881A92961.TMP
              • Size 1KB
              • SHA256 a50a6f311d400c946c1444ca8be5df32c74461ece7f9e3b2b69446225a4d633c
              • MD5 SHA1 SHA512 TLSH

              CSC20E81A7DFA1B4F1AA29D5747E83377F2.TMP

              • Path \??\c:\Users\Admin\AppData\Local\Temp\ezqnzivp\CSC20E81A7DFA1B4F1AA29D5747E83377F2.TMP
              • Size 652B
              • SHA256 ce244498457c00261e381cefd0bc6606d4e5079f0a1454957bb191ce62d54c3f
              • MD5 SHA1 SHA512 TLSH

              ezqnzivp.0.cs

              • Path \??\c:\Users\Admin\AppData\Local\Temp\ezqnzivp\ezqnzivp.0.cs
              • Size 342B
              • SHA256 6e7c584ab6a22978c7d48d0eb70f3e9cc9fc9d7b41314e78d6ad3e95efc376ea
              • MD5 SHA1 SHA512 TLSH

              ezqnzivp.cmdline

              • Path \??\c:\Users\Admin\AppData\Local\Temp\ezqnzivp\ezqnzivp.cmdline
              • Size 369B
              • SHA256 dab8d7232ce4171c266eaf1d25759837fd2a577104c349c3a0dfc30f16fd9e6b
              • MD5 SHA1 SHA512 TLSH

              guardian_src_993fff64cdde4d61801b0ce349d3abdb.cs

              • Path \??\c:\Users\Admin\AppData\Local\Temp\guardian_src_993fff64cdde4d61801b0ce349d3abdb.cs
              • Size 4KB
              • SHA256 3ee1bf1ab210527e7543dc78ca3511904bf7770d571eb0d11746edd9f5bf814a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/1140-16-0x0000014B7B4C0000-0x0000014B7B53C000-memory.dmp

              memory/1140-54-0x0000014B7B4C0000-0x0000014B7B53C000-memory.dmp

              memory/1848-41-0x0000000074290000-0x0000000074A4C000-memory.dmp

              memory/1848-14-0x0000000006820000-0x000000000683E000-memory.dmp

              memory/1848-33-0x0000000007A60000-0x0000000007A68000-memory.dmp

              memory/1848-19-0x0000000006E10000-0x0000000006E2A000-memory.dmp

              memory/1848-34-0x0000000007A70000-0x0000000007A78000-memory.dmp

              memory/1848-3-0x00000000742A2000-0x00000000742A3000-memory.dmp

              memory/1848-4-0x0000000002FD0000-0x0000000003006000-memory.dmp

              memory/1848-37-0x0000000007BC0000-0x0000000007C56000-memory.dmp

              memory/1848-38-0x0000000007B20000-0x0000000007B42000-memory.dmp

              memory/1848-39-0x0000000008CF0000-0x00000000092AA000-memory.dmp

              memory/1848-18-0x00000000080B0000-0x000000000872C000-memory.dmp

              memory/1848-20-0x0000000007A50000-0x0000000007A66000-memory.dmp

              memory/1848-15-0x0000000006880000-0x00000000068CC000-memory.dmp

              memory/1848-7-0x0000000074290000-0x0000000074A4C000-memory.dmp

              memory/1848-8-0x0000000005A60000-0x0000000005A82000-memory.dmp

              memory/1848-10-0x0000000005C70000-0x0000000005CD6000-memory.dmp

              memory/1848-6-0x0000000005DB0000-0x00000000063FA000-memory.dmp

              memory/1848-9-0x0000000005C00000-0x0000000005C66000-memory.dmp

              memory/1848-5-0x0000000074290000-0x0000000074A4C000-memory.dmp

              memory/1848-13-0x0000000006400000-0x000000000675B000-memory.dmp

              memory/2184-53-0x00000000079E0000-0x00000000079EA000-memory.dmp

              memory/2184-52-0x00000000078B0000-0x0000000007953000-memory.dmp

              memory/2184-51-0x0000000006BE0000-0x0000000006C00000-memory.dmp

              memory/2184-48-0x000000006FCE0000-0x000000006FD2C000-memory.dmp

              memory/2184-47-0x00000000075C0000-0x00000000075F6000-memory.dmp

              memory/2184-46-0x0000000006990000-0x00000000069DC000-memory.dmp

              memory/2568-77-0x00000000708A0000-0x00000000708EC000-memory.dmp

              memory/3168-67-0x0000000005970000-0x0000000005CCB000-memory.dmp

              memory/3168-70-0x000000006FCE0000-0x000000006FD2C000-memory.dmp

              memory/4396-89-0x0000000005060000-0x00000000051BA000-memory.dmp

              memory/4396-88-0x0000000002A10000-0x0000000002A2A000-memory.dmp

              memory/4396-87-0x0000000000520000-0x0000000000560000-memory.dmp

              memory/4840-42-0x00000260C8AF0000-0x00000260C8B6C000-memory.dmp

              memory/5476-90-0x00000000071F0000-0x0000000007282000-memory.dmp

              memory/5476-91-0x0000000007390000-0x000000000740C000-memory.dmp

              memory/5476-92-0x0000000007430000-0x0000000007438000-memory.dmp

              memory/5476-36-0x0000000005120000-0x00000000051BC000-memory.dmp

              memory/5476-35-0x0000000000400000-0x0000000000410000-memory.dmp

              memory/5476-104-0x0000000008160000-0x0000000008322000-memory.dmp

              memory/5708-103-0x00000000008D0000-0x00000000008D8000-memory.dmp

              memory/5948-64-0x0000000006CF0000-0x0000000006D93000-memory.dmp

              memory/5948-61-0x00000000708A0000-0x00000000708EC000-memory.dmp

              memory/5948-60-0x0000000006020000-0x000000000606C000-memory.dmp

              memory/5948-58-0x00000000056F0000-0x0000000005A4B000-memory.dmp