Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
29/07/2026, 12:13
General
- Target Invoice.vbs
- Size 5.3MB
- Sample260729-pds9wstdlf
- SHA256 f25bae99847c5ab9bf1c0e7ea11e27aaa49decacdacbcdbc9e2b1eedb30e10e0
Malware Config
Extracted
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vipkeylogger
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Protocol
smtp
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Host
cphost17.qhoster.net
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Port
587
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Username
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Password
Qwerty!@#
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Email to
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Family: VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Detects DonutLoader 1 IoCs
- Executes dropped EXE 2 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Looks up external IP address via web service 1 TTPs 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry key 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Invoice.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "$b64=[IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\tmp827827.b64');$raw=[Text.Encoding]::UTF8.GetString([Convert]::FromBase64String($b64));[IO.File]::WriteAllBytes('C:\Users\Admin\AppData\Local\Temp\tmp827827.bat',[Convert]::FromBase64String($raw));Remove-Item 'C:\Users\Admin\AppData\Local\Temp\tmp827827.b64'"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp827827.bat" "2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -w h -exec bypass -F "C:\Users\Admin\AppData\Local\Temp\aqxuklgowzoifs.ps1"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exe"C:\Windows\system32\reg.exe" add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v Windows32 /t REG_SZ /d "\"C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe\" \"C:\Users\Admin\AppData\Roaming\SetupFiles\wwmaw\"" /f4⤵
- Adds Run key to start application
- Modifies registry key
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C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe"C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe" C:\Users\Admin\AppData\Roaming\SetupFiles\wwmaw4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\charmap.exeC:\Windows\Syswow64\charmap.exe5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe"C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe" "C:\Users\Admin\AppData\Roaming\SetupFiles\wwmaw"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\charmap.exeC:\Windows\Syswow64\charmap.exe2⤵
- 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
Execution
Command and Scripting Interpreter
3PowerShell
1Visual Basic
1Windows Command Shell
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
StartupProfileData-NonInteractive
tmp827827.b64
tmp827827.bat
Ennnn
vijewyufveonabghulluonouceyasi.exe
wwmaw
memory/3276-45-0x00000000086B0000-0x0000000008C6A000-memory.dmp
memory/3276-44-0x0000000007FD0000-0x000000000801E000-memory.dmp
memory/3276-47-0x0000000009AE0000-0x0000000009CA2000-memory.dmp
memory/3276-48-0x0000000009980000-0x00000000099D0000-memory.dmp
memory/3276-49-0x0000000009CB0000-0x0000000009D42000-memory.dmp
memory/3276-50-0x0000000009A50000-0x0000000009A5A000-memory.dmp
memory/3408-46-0x0000000003FF0000-0x000000000408C000-memory.dmp
memory/3408-42-0x0000000000BA0000-0x0000000000BEF000-memory.dmp
memory/4356-10-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp
memory/4356-12-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp
memory/4356-18-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp
memory/4356-17-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp
memory/4356-15-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp
memory/4356-14-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp
memory/4356-13-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp
memory/4356-20-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp
memory/4356-1-0x00007FF844B9F000-0x00007FF844BA0000-memory.dmp
memory/4356-9-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp
memory/4356-8-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp
memory/4356-4-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp
memory/4356-7-0x0000014C70040000-0x0000014C70062000-memory.dmp
memory/4356-3-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp
memory/4356-2-0x00007FF844A10000-0x00007FF8453B4000-memory.dmp