Analysis

  • max time kernel
    300s
  • max time network
    291s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 7 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⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4324
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\f0n0n7ls\net_47308_bdb9.vbs"
      2⤵
      • Checks computer location settings
      • Executes a VBScript file via the Windows Script Host.
      • Suspicious use of WriteProcessMemory
      PID:1156
      • 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\f0n0n7ls\net_83140_bd7a.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:1460
        • 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\w3p4y1sf\w3p4y1sf.cmdline"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5100
          • 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\RES1DDF.tmp" "c:\Users\Admin\AppData\Local\Temp\w3p4y1sf\CSC3018D2F9FD2E4336A68BDD4CECE38C83.TMP"
            5⤵
              PID:2968
          • 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:1116
            • 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:208
            • 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:3944
            • 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:4192
            • 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
              • Suspicious use of AdjustPrivilegeToken
              PID:3836
            • 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:4552
            • 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_d9632fd7dfd94c91ba880145293d25a9.cs"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:4392
              • 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\RES8563.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC3F36DB29FEE54DBBB5B9A5543B25FF.TMP"
                6⤵
                  PID:1852
              • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
                "C:\Users\Admin\AppData\Local\Temp\MSBuild.exe" 1116
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:4660
      • 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:2112
      • 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:3140
      • 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:1148
      • 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:2936
      • 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:208

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            bin.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bin.exe.log
            • Size 841B
            • SHA256 ff981780f37479af6a428dd121eef68cf6e0b471ae92f080893a55320cc993f7
            • MD5 SHA1 SHA512 TLSH

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
            • Size 2KB
            • SHA256 7f036b1837d205690b992027eb8b81939ba0228fc296d3f30039eeba00bd4476
            • MD5 SHA1 SHA512 TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 f2ca15eaf8e4b2031733f38bf2bfca53b560907a3916ce9124a2114249db2924
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 724af63f60da615366e1ab299b46fea93d85d087b0ab861fe80fc447b1cdb64c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 19KB
            • SHA256 636302147f6167f40b5b4e4f25e3729840ac0ca57fd63846cdd478ac00b8dde5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 0f874cc3cf8c7b0d8205610c9f5568ae9e534bc32850a7b182e303013f476a42
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSBuild.exe

            • Path C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
            • Size 5KB
            • SHA256 e5041944abe1d5c445ab2d8de206dfce3e3ed82c2d62c85ddc73923c684461f1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            RES1DDF.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RES1DDF.tmp
            • Size 1KB
            • SHA256 f7c70236987a405f9e81386106f78645af6f87a2cc81d57002684008f42a9718
            • MD5 SHA1 SHA512 TLSH

            RES8563.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RES8563.tmp
            • Size 1KB
            • SHA256 59e91baf532bfef62b2c9a165b11d347c49ea08edb27b09b8a9f36eafb2defe8
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_kxso42hm.ajb.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kxso42hm.ajb.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            net_47308_bdb9.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\f0n0n7ls\net_47308_bdb9.vbs
            • Size 228B
            • SHA256 f1ffb8c3e332a0b48c6ce9a7e9cdbd6ddc1f047a02b8bedb10e800d1f1ba0761
            • MD5 SHA1 SHA512 TLSH

            net_83140_bd7a.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\f0n0n7ls\net_83140_bd7a.ps1
            • Size 68KB
            • SHA256 dd0058a3a5788ef82247c2ab5bd5822a72e37b1ccfa528bccff1b1b7540cfd70
            • MD5 SHA1 SHA512 SSDEEP TLSH

            w3p4y1sf.dll

            • Path C:\Users\Admin\AppData\Local\Temp\w3p4y1sf\w3p4y1sf.dll
            • Size 3KB
            • SHA256 c9fc060e1b93f03961d822d787601dbdde35eaee9fc0390382afb91e6721a15f
            • MD5 SHA1 SHA512 TLSH

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\bin.exe
            • Size 256KB
            • SHA256 ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CSC3F36DB29FEE54DBBB5B9A5543B25FF.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\CSC3F36DB29FEE54DBBB5B9A5543B25FF.TMP
            • Size 1KB
            • SHA256 a50a6f311d400c946c1444ca8be5df32c74461ece7f9e3b2b69446225a4d633c
            • MD5 SHA1 SHA512 TLSH

            guardian_src_d9632fd7dfd94c91ba880145293d25a9.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\guardian_src_d9632fd7dfd94c91ba880145293d25a9.cs
            • Size 4KB
            • SHA256 3ee1bf1ab210527e7543dc78ca3511904bf7770d571eb0d11746edd9f5bf814a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CSC3018D2F9FD2E4336A68BDD4CECE38C83.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\w3p4y1sf\CSC3018D2F9FD2E4336A68BDD4CECE38C83.TMP
            • Size 652B
            • SHA256 b2b40fe8235d97163bac9150dd5b2a5e10a93d634fd8ec992eadf58571f1b691
            • MD5 SHA1 SHA512 TLSH

            w3p4y1sf.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\w3p4y1sf\w3p4y1sf.0.cs
            • Size 342B
            • SHA256 6e7c584ab6a22978c7d48d0eb70f3e9cc9fc9d7b41314e78d6ad3e95efc376ea
            • MD5 SHA1 SHA512 TLSH

            w3p4y1sf.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\w3p4y1sf\w3p4y1sf.cmdline
            • Size 369B
            • SHA256 e3cbbd0841536bb1d220cc378a6987b1adfa95a7da90a01ca2a90af99b40df88
            • MD5 SHA1 SHA512 TLSH

            memory/208-69-0x00000000074D0000-0x00000000074DE000-memory.dmp

            memory/208-56-0x0000000007130000-0x0000000007162000-memory.dmp

            memory/208-67-0x0000000007310000-0x000000000731A000-memory.dmp

            memory/208-66-0x0000000007170000-0x0000000007213000-memory.dmp

            memory/208-65-0x0000000006540000-0x000000000655E000-memory.dmp

            memory/208-57-0x000000006FBF0000-0x000000006FC3C000-memory.dmp

            memory/208-71-0x0000000007520000-0x000000000753A000-memory.dmp

            memory/208-72-0x0000000007510000-0x0000000007518000-memory.dmp

            memory/208-55-0x0000000005FA0000-0x0000000005FEC000-memory.dmp

            memory/208-53-0x0000000005AA0000-0x0000000005DF4000-memory.dmp

            memory/208-70-0x00000000074E0000-0x00000000074F4000-memory.dmp

            memory/208-68-0x0000000007470000-0x0000000007481000-memory.dmp

            memory/1116-143-0x0000000007010000-0x0000000007018000-memory.dmp

            memory/1116-156-0x0000000007E60000-0x0000000008022000-memory.dmp

            memory/1116-39-0x0000000005800000-0x000000000589C000-memory.dmp

            memory/1116-38-0x0000000000400000-0x0000000000410000-memory.dmp

            memory/1116-141-0x0000000007030000-0x00000000070C2000-memory.dmp

            memory/1116-142-0x00000000070D0000-0x000000000714C000-memory.dmp

            memory/1460-18-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

            memory/1460-36-0x0000000006E00000-0x0000000006E08000-memory.dmp

            memory/1460-21-0x00000000075D0000-0x0000000007C4A000-memory.dmp

            memory/1460-42-0x0000000007C50000-0x00000000081F4000-memory.dmp

            memory/1460-41-0x0000000006EA0000-0x0000000006EC2000-memory.dmp

            memory/1460-3-0x0000000004B40000-0x0000000004B50000-memory.dmp

            memory/1460-40-0x0000000006F50000-0x0000000006FE6000-memory.dmp

            memory/1460-23-0x0000000006DF0000-0x0000000006E06000-memory.dmp

            memory/1460-4-0x0000000000E30000-0x0000000000E66000-memory.dmp

            memory/1460-5-0x0000000004B40000-0x0000000004B50000-memory.dmp

            memory/1460-6-0x0000000005180000-0x00000000057A8000-memory.dmp

            memory/1460-7-0x0000000004D20000-0x0000000004D42000-memory.dmp

            memory/1460-22-0x00000000061B0000-0x00000000061CA000-memory.dmp

            memory/1460-17-0x00000000057B0000-0x0000000005B04000-memory.dmp

            memory/1460-19-0x0000000005C30000-0x0000000005C7C000-memory.dmp

            memory/1460-9-0x0000000004E40000-0x0000000004EA6000-memory.dmp

            memory/1460-37-0x0000000006E20000-0x0000000006E28000-memory.dmp

            memory/1460-8-0x0000000004DD0000-0x0000000004E36000-memory.dmp

            memory/2112-138-0x00000000055F0000-0x000000000560A000-memory.dmp

            memory/2112-137-0x0000000000DF0000-0x0000000000E30000-memory.dmp

            memory/2112-139-0x0000000005890000-0x00000000059EA000-memory.dmp

            memory/3836-122-0x000000006FBB0000-0x000000006FBFC000-memory.dmp

            memory/3944-94-0x0000000007E80000-0x0000000007E94000-memory.dmp

            memory/3944-93-0x0000000007E20000-0x0000000007E31000-memory.dmp

            memory/3944-92-0x0000000007B80000-0x0000000007C23000-memory.dmp

            memory/3944-84-0x000000006FBB0000-0x000000006FBFC000-memory.dmp

            memory/3944-83-0x0000000006E30000-0x0000000006E7C000-memory.dmp

            memory/3944-79-0x0000000006290000-0x00000000065E4000-memory.dmp

            memory/4192-103-0x00000000063A0000-0x00000000066F4000-memory.dmp

            memory/4192-105-0x000000006FBB0000-0x000000006FBFC000-memory.dmp

            memory/4660-155-0x0000000000780000-0x0000000000788000-memory.dmp