Analysis

  • max time kernel
    179s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/07/2026, 09:48

General

  • Target
    Contract9021_06_07_26.exe
  • Size 833KB
  • Sample260706-ls5ppahs7q
  • SHA256 37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 109.248.150.234:443

Mutex
  • 70vLmgcqMEnUJOeL

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
  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 4 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 9 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 4 IoCs
  • 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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Contract9021_06_07_26.exe
    "C:\Users\Admin\AppData\Local\Temp\Contract9021_06_07_26.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Users\Admin\AppData\Local\Temp\Contract9021_06_07_26.exe
      "C:\Users\Admin\AppData\Local\Temp\Contract9021_06_07_26.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • 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:2544
      • 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\Local\Temp\Contract9021_06_07_26.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4844
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Contract9021_06_07_26.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4144
      • 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'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3192
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'bin.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1664
      • 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"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4464
      • 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\Contract9021_06_07_26.exe" "C:\Users\Admin\AppData\Local\Temp\guardian_src_3e10fd8d34b34b6e912eed48bade70fa.cs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1656
        • 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\RES1DBF.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC7312861169C14274A8AD282302994FD.TMP"
          4⤵
            PID:3888
    • C:\Users\Admin\AppData\Roaming\bin.exe
      C:\Users\Admin\AppData\Roaming\bin.exe
      1⤵
      • Modifies Windows Defender DisableAntiSpyware settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2352
      • C:\Users\Admin\AppData\Roaming\bin.exe
        "C:\Users\Admin\AppData\Roaming\bin.exe"
        2⤵
        • Executes dropped EXE
        PID:1332
      • C:\Users\Admin\AppData\Roaming\bin.exe
        "C:\Users\Admin\AppData\Roaming\bin.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3532
    • C:\Users\Admin\AppData\Roaming\bin.exe
      C:\Users\Admin\AppData\Roaming\bin.exe
      1⤵
      • Modifies Windows Defender DisableAntiSpyware settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2164
      • C:\Users\Admin\AppData\Roaming\bin.exe
        "C:\Users\Admin\AppData\Roaming\bin.exe"
        2⤵
        • Executes dropped EXE
        PID:4228
      • C:\Users\Admin\AppData\Roaming\bin.exe
        "C:\Users\Admin\AppData\Roaming\bin.exe"
        2⤵
        • Executes dropped EXE
        PID:4216
      • C:\Users\Admin\AppData\Roaming\bin.exe
        "C:\Users\Admin\AppData\Roaming\bin.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:864
    • C:\Users\Admin\AppData\Roaming\bin.exe
      C:\Users\Admin\AppData\Roaming\bin.exe
      1⤵
      • Modifies Windows Defender DisableAntiSpyware settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1640
      • C:\Users\Admin\AppData\Roaming\bin.exe
        "C:\Users\Admin\AppData\Roaming\bin.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2216

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          Contract9021_06_07_26.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Contract9021_06_07_26.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • 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 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 40b86f0a230b957af4fbd0991aad3a5cc6e03a9a2bb48f1375a849c904f93717
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 1361beb1be998fd028503e76d29261aa2f67b52ce94431811c71a1594212bf62
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 3aec29d5bc9b6db015f3582382d9f9150d963c410152cf9ebe859bcf52dcd409
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RES1DBF.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RES1DBF.tmp
          • Size 1KB
          • SHA256 8720b9f2013b4daebe91279cff8557cfea8a68ec48e39e8b3961b10529940ff0
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_4avxoq3j.pzc.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4avxoq3j.pzc.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          bin.exe

          • Path C:\Users\Admin\AppData\Roaming\bin.exe
          • Size 833KB
          • SHA256 37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CSC7312861169C14274A8AD282302994FD.TMP

          • Path \??\c:\Users\Admin\AppData\Local\Temp\CSC7312861169C14274A8AD282302994FD.TMP
          • Size 1KB
          • SHA256 171c5cd3554d5f2a55194a07eee017319231355333c22b16e2888039e0487793
          • MD5 SHA1 SHA512 TLSH

          guardian_src_3e10fd8d34b34b6e912eed48bade70fa.cs

          • Path \??\c:\Users\Admin\AppData\Local\Temp\guardian_src_3e10fd8d34b34b6e912eed48bade70fa.cs
          • Size 4KB
          • SHA256 3ee1bf1ab210527e7543dc78ca3511904bf7770d571eb0d11746edd9f5bf814a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1664-94-0x000000006FC70000-0x000000006FCBC000-memory.dmp

          memory/2544-107-0x0000000005690000-0x00000000056A0000-memory.dmp

          memory/2544-111-0x0000000007020000-0x0000000007028000-memory.dmp

          memory/2544-119-0x0000000005690000-0x00000000056A0000-memory.dmp

          memory/2544-120-0x0000000007D30000-0x0000000007EF2000-memory.dmp

          memory/2544-9-0x0000000000400000-0x0000000000410000-memory.dmp

          memory/2544-110-0x0000000006FA0000-0x000000000701C000-memory.dmp

          memory/3048-6-0x0000000006BA0000-0x0000000006BBC000-memory.dmp

          memory/3048-7-0x0000000004FF0000-0x0000000005000000-memory.dmp

          memory/3048-8-0x00000000060F0000-0x0000000006196000-memory.dmp

          memory/3048-0-0x0000000000360000-0x0000000000436000-memory.dmp

          memory/3048-5-0x00000000050A0000-0x000000000513C000-memory.dmp

          memory/3048-4-0x0000000004DE0000-0x0000000004DEA000-memory.dmp

          memory/3048-3-0x0000000004FF0000-0x0000000005000000-memory.dmp

          memory/3048-2-0x0000000004E50000-0x0000000004EE2000-memory.dmp

          memory/3048-1-0x0000000005400000-0x00000000059A4000-memory.dmp

          memory/3192-77-0x000000006FC70000-0x000000006FCBC000-memory.dmp

          memory/4144-60-0x000000006FC70000-0x000000006FCBC000-memory.dmp

          memory/4844-12-0x0000000004E50000-0x0000000004E86000-memory.dmp

          memory/4844-43-0x00000000079D0000-0x0000000007A66000-memory.dmp

          memory/4844-44-0x0000000007950000-0x0000000007961000-memory.dmp

          memory/4844-45-0x0000000007980000-0x000000000798E000-memory.dmp

          memory/4844-46-0x0000000007990000-0x00000000079A4000-memory.dmp

          memory/4844-47-0x0000000007A90000-0x0000000007AAA000-memory.dmp

          memory/4844-48-0x0000000007A70000-0x0000000007A78000-memory.dmp

          memory/4844-42-0x00000000077C0000-0x00000000077CA000-memory.dmp

          memory/4844-41-0x0000000007750000-0x000000000776A000-memory.dmp

          memory/4844-40-0x0000000007D90000-0x000000000840A000-memory.dmp

          memory/4844-39-0x0000000007410000-0x00000000074B3000-memory.dmp

          memory/4844-38-0x00000000073E0000-0x00000000073FE000-memory.dmp

          memory/4844-30-0x000000006FC70000-0x000000006FCBC000-memory.dmp

          memory/4844-29-0x00000000069F0000-0x0000000006A22000-memory.dmp

          memory/4844-28-0x00000000064A0000-0x00000000064EC000-memory.dmp

          memory/4844-27-0x0000000006400000-0x000000000641E000-memory.dmp

          memory/4844-26-0x0000000005E50000-0x00000000061A4000-memory.dmp

          memory/4844-17-0x0000000005500000-0x0000000005566000-memory.dmp

          memory/4844-18-0x0000000005DE0000-0x0000000005E46000-memory.dmp

          memory/4844-16-0x0000000005460000-0x0000000005482000-memory.dmp

          memory/4844-15-0x0000000005580000-0x0000000005BA8000-memory.dmp

          memory/4844-14-0x0000000004F40000-0x0000000004F50000-memory.dmp

          memory/4844-13-0x0000000004F40000-0x0000000004F50000-memory.dmp