Analysis
- max time kernel
148s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-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
-
CLOYUlw4XJXtKViN
-
install_file
USB.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- 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⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
-
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\34C52A7F.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
-
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\a2nkcods\a2nkcods.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\RESFD32.tmp" "c:\Users\Admin\AppData\Local\Temp\a2nkcods\CSC7FA5BE26C3A741D88F562545CC61198.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
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
34C52A7F.ps1
RESFD32.tmp
a2nkcods.dll
CSC7FA5BE26C3A741D88F562545CC61198.TMP
a2nkcods.0.cs
a2nkcods.cmdline
memory/120-36-0x0000000004B30000-0x0000000004BCC000-memory.dmp
memory/120-35-0x0000000000530000-0x000000000053E000-memory.dmp
memory/120-48-0x0000000007CD0000-0x0000000007E92000-memory.dmp
memory/120-47-0x0000000006A10000-0x0000000006A1A000-memory.dmp
memory/120-46-0x00000000066E0000-0x0000000006846000-memory.dmp
memory/120-45-0x0000000006540000-0x00000000065D2000-memory.dmp
memory/4516-33-0x0000000006CA0000-0x0000000006CA8000-memory.dmp
memory/4516-15-0x00000000075B0000-0x0000000007C2C000-memory.dmp
memory/4516-19-0x0000000074720000-0x0000000074EDC000-memory.dmp
memory/4516-20-0x0000000006C80000-0x0000000006C96000-memory.dmp
memory/4516-6-0x0000000074720000-0x0000000074EDC000-memory.dmp
memory/4516-5-0x0000000004EA0000-0x0000000004EC2000-memory.dmp
memory/4516-4-0x0000000074720000-0x0000000074EDC000-memory.dmp
memory/4516-3-0x0000000005010000-0x000000000565A000-memory.dmp
memory/4516-2-0x0000000004880000-0x00000000048B6000-memory.dmp
memory/4516-7-0x00000000056D0000-0x0000000005736000-memory.dmp
memory/4516-34-0x0000000006CB0000-0x0000000006CB8000-memory.dmp
memory/4516-16-0x00000000061D0000-0x00000000061EA000-memory.dmp
memory/4516-1-0x0000000074732000-0x0000000074733000-memory.dmp
memory/4516-37-0x0000000074732000-0x0000000074733000-memory.dmp
memory/4516-38-0x0000000074720000-0x0000000074EDC000-memory.dmp
memory/4516-39-0x0000000007010000-0x00000000070A6000-memory.dmp
memory/4516-40-0x0000000006F70000-0x0000000006F92000-memory.dmp
memory/4516-41-0x00000000081F0000-0x00000000087AA000-memory.dmp
memory/4516-44-0x0000000074720000-0x0000000074EDC000-memory.dmp
memory/4516-8-0x0000000005740000-0x00000000057A6000-memory.dmp
memory/4516-13-0x0000000005C90000-0x0000000005CDC000-memory.dmp
memory/4516-12-0x0000000005C70000-0x0000000005C8E000-memory.dmp
memory/4516-11-0x0000000005910000-0x0000000005C6B000-memory.dmp