Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260513-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
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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⤵
- Checks computer location settings
- 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 "$b64=[IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\tmp777372.b64');$raw=[Text.Encoding]::UTF8.GetString([Convert]::FromBase64String($b64));[IO.File]::WriteAllBytes('C:\Users\Admin\AppData\Local\Temp\tmp777372.bat',[Convert]::FromBase64String($raw));Remove-Item 'C:\Users\Admin\AppData\Local\Temp\tmp777372.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\tmp777372.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⤵
- 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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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⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_notsxdlr.hso.ps1
tmp777372.b64
tmp777372.bat
Ennnn
vijewyufveonabghulluonouceyasi.exe
wwmaw
memory/2384-46-0x0000000000F60000-0x0000000000FAF000-memory.dmp
memory/2384-47-0x0000000007290000-0x00000000072DE000-memory.dmp
memory/2384-49-0x0000000007640000-0x00000000076DC000-memory.dmp
memory/2384-48-0x00000000079F0000-0x0000000007F94000-memory.dmp
memory/2384-51-0x0000000003930000-0x0000000003AF2000-memory.dmp
memory/2384-52-0x00000000037D0000-0x0000000003820000-memory.dmp
memory/2384-53-0x00000000087A0000-0x0000000008832000-memory.dmp
memory/2384-54-0x00000000038A0000-0x00000000038AA000-memory.dmp
memory/4372-3-0x000001A1E29E0000-0x000001A1E2A02000-memory.dmp
memory/4372-1-0x000001A1FAB90000-0x000001A1FABA0000-memory.dmp
memory/4372-2-0x000001A1FAB90000-0x000001A1FABA0000-memory.dmp