Analysis
- max time kernel
149s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
27/10/2026, 10:16
General
- Target setup.vbs
- Size 6.3MB
- Sample261027-max3kas1gv
- SHA256 bf362a5e43e795c4dcf85c85f0e9d67e874e7e7a14eda88832fc890ede10eacc
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
-
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\~cbca03e9.b64" "C:\Users\Admin\AppData\Local\Temp\~cbca03e9.msi"3⤵
- Deobfuscate/Decode Files or Information
-
-
C:\Windows\System32\msiexec.exe"C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\~cbca03e9.msi" /qn /norestart3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
-
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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-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
e59408d.rbs
BridgeSc.exe
MatrixX_Bandwidth.exe
SsUCommon.dll
cache1024.lib
msvcp_win.dll
terminalindex13.log
ucrtbase.dll
40AAAFE.tmp
DA18989.tmp
~cbca03e9.b64
~cbca03e9.msi
memory/1700-82-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-88-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-92-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-66-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-68-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-65-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-69-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-70-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-71-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-56-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-59-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-72-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-60-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-58-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-57-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-55-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-54-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-64-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-63-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-89-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-83-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-79-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-73-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-74-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-87-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-86-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-85-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-90-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-91-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-84-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-75-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-81-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-80-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-78-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-77-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/1700-76-0x0000000003420000-0x00000000034C1000-memory.dmp
memory/2788-61-0x00007FF67AD20000-0x00007FF67AE4D000-memory.dmp
memory/2788-53-0x00007FF67AD20000-0x00007FF67AE4D000-memory.dmp
memory/2788-52-0x00007FF757510000-0x00007FF757521000-memory.dmp
memory/2788-46-0x00007FF67AD20000-0x00007FF67AE4D000-memory.dmp
memory/4512-31-0x00000000017E0000-0x00000000017E6000-memory.dmp
memory/4512-30-0x0000000075010000-0x0000000075058000-memory.dmp
memory/4512-33-0x0000000001800000-0x0000000001808000-memory.dmp
memory/5680-38-0x0000000075010000-0x0000000075058000-memory.dmp
memory/5680-39-0x00000000015D0000-0x00000000015D6000-memory.dmp
memory/5680-40-0x0000000002DE0000-0x0000000002DE8000-memory.dmp