Analysis
- max time kernel
148s - max time network
59s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
27/10/2026, 12:11
General
- Target setup.vbs
- Size 6.3MB
- Sample261027-pcmeysdy3m
- SHA256 cc5c99f3b08c51461ef8fe38b14f0d42fa092de7de9743bb08ef3876e4ad9fb0
Malware Config
Extracted
-
hijackloader
-
directory
%APPDATA%\graphqllauncher_debug
-
inject_dll
%windir%\SysWOW64\ieframe.dll
Signatures
- Family: HijackLoader, IDAT loader, Ghostulse,
HijackLoader is a multi-stage loader, first seen in 2023.
- Detects HijackLoader (aka IDAT Loader) 1 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 3 IoCs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Deobfuscate/Decode Files or Information 1 TTPs 1 IoCs
Payload decoded via CertUtil.
- Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 5 IoCs
- Drops file in Windows directory 12 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\setup.vbs"2⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\certutil.exe"C:\Windows\System32\certutil.exe" -decode -f "C:\Users\Admin\AppData\Local\Temp\~0481ac39.b64" "C:\Users\Admin\AppData\Local\Temp\~0481ac39.msi"3⤵
- Deobfuscate/Decode Files or Information
-
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C:\Windows\System32\msiexec.exe"C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\~0481ac39.msi" /qn /norestart3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Doura\MatrixX_Bandwidth.exe"C:\Users\Admin\AppData\Local\Doura\MatrixX_Bandwidth.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\graphqllauncher_debug\MatrixX_Bandwidth.exeC:\ProgramData\graphqllauncher_debug\MatrixX_Bandwidth.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\BridgeSc.exe"C:\Users\Admin\AppData\Local\BridgeSc.exe"4⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
e59292c.rbs
BridgeSc.exe
MatrixX_Bandwidth.exe
SsUCommon.dll
cache1024.lib
msvcp_win.dll
terminalindex13.log
ucrtbase.dll
406AAAF.tmp
FF98032.tmp
~0481ac39.b64
~0481ac39.msi
memory/3028-40-0x0000000001830000-0x0000000001838000-memory.dmp
memory/3028-39-0x0000000001380000-0x0000000001386000-memory.dmp
memory/3028-38-0x0000000074BF0000-0x0000000074C38000-memory.dmp
memory/4212-30-0x0000000074BF0000-0x0000000074C38000-memory.dmp
memory/4212-33-0x0000000001B70000-0x0000000001B78000-memory.dmp
memory/4212-31-0x0000000001B50000-0x0000000001B56000-memory.dmp
memory/5376-57-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-75-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-87-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-56-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-60-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-55-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-59-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-58-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-64-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-54-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-67-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-63-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-65-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-73-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-86-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-84-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-85-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-88-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-83-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-82-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-81-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-80-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-79-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-89-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-78-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-90-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-77-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-76-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-66-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-74-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-71-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-70-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5376-68-0x0000000003BB0000-0x0000000003C51000-memory.dmp
memory/5500-52-0x00007FF71D800000-0x00007FF71D811000-memory.dmp
memory/5500-61-0x00007FF799620000-0x00007FF79974D000-memory.dmp
memory/5500-46-0x00007FF799620000-0x00007FF79974D000-memory.dmp
memory/5500-53-0x00007FF799620000-0x00007FF79974D000-memory.dmp