Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
18/08/2026, 03:20
General
- Target dbf2ba078c75a14ea8ff24a2757e81ee8576cf00716c33f4fafd1c0b77d7cc56.vbs
- Size 541KB
- Sample260818-dvr8davfkd
- SHA256 dbf2ba078c75a14ea8ff24a2757e81ee8576cf00716c33f4fafd1c0b77d7cc56
Malware Config
Extracted
-
xworm
-
5.0
-
range2021.myftp.biz:2021
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CLOYUlw4XJXtKViN
-
install_file
USB.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\dbf2ba078c75a14ea8ff24a2757e81ee8576cf00716c33f4fafd1c0b77d7cc56.vbs"1⤵
- Checks computer location settings
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\12FD2A7F.ps1"2⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\np2qa23b\np2qa23b.cmdline"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6D5B.tmp" "c:\Users\Admin\AppData\Local\Temp\np2qa23b\CSC2ACF6A14B92423B8E6D4BD9C6EA4C1B.TMP"4⤵
-
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
12FD2A7F.ps1
RES6D5B.tmp
__PSScriptPolicyTest_s5aljs5k.0tr.ps1
np2qa23b.dll
CSC2ACF6A14B92423B8E6D4BD9C6EA4C1B.TMP
np2qa23b.0.cs
np2qa23b.cmdline
memory/652-13-0x00000000057D0000-0x0000000005B24000-memory.dmp
memory/652-37-0x0000000007030000-0x0000000007038000-memory.dmp
memory/652-16-0x0000000005E10000-0x0000000005E2E000-memory.dmp
memory/652-17-0x0000000005EA0000-0x0000000005EEC000-memory.dmp
memory/652-7-0x0000000005690000-0x00000000056F6000-memory.dmp
memory/652-19-0x0000000007460000-0x0000000007ADA000-memory.dmp
memory/652-20-0x0000000006330000-0x000000000634A000-memory.dmp
memory/652-23-0x0000000004A20000-0x0000000004A30000-memory.dmp
memory/652-24-0x0000000007020000-0x0000000007036000-memory.dmp
memory/652-6-0x0000000004FF0000-0x0000000005056000-memory.dmp
memory/652-5-0x0000000004F50000-0x0000000004F72000-memory.dmp
memory/652-4-0x0000000005060000-0x0000000005688000-memory.dmp
memory/652-3-0x0000000004A20000-0x0000000004A30000-memory.dmp
memory/652-1-0x0000000004A20000-0x0000000004A30000-memory.dmp
memory/652-2-0x0000000004850000-0x0000000004886000-memory.dmp
memory/652-38-0x0000000004B50000-0x0000000004B58000-memory.dmp
memory/652-43-0x0000000008090000-0x0000000008634000-memory.dmp
memory/652-42-0x00000000070F0000-0x0000000007112000-memory.dmp
memory/652-41-0x0000000007160000-0x00000000071F6000-memory.dmp
memory/3428-40-0x0000000004AD0000-0x0000000004B6C000-memory.dmp
memory/3428-39-0x0000000000600000-0x000000000060E000-memory.dmp
memory/3428-47-0x0000000005CF0000-0x0000000005D82000-memory.dmp
memory/3428-48-0x0000000006130000-0x0000000006296000-memory.dmp
memory/3428-49-0x0000000006000000-0x000000000600A000-memory.dmp
memory/3428-50-0x00000000073B0000-0x0000000007572000-memory.dmp