Analysis
- user interaction
yes - max time kernel
147s - max time network
122s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
18/07/2026, 15:26
General
- Target MegaDownloader_v1.8.exe
- Size 3.1MB
- Sample260718-st8lashy2z
- SHA256 76a56aa46b0102a96a4af355f5e03aff2b6ae6076f040ff4ff4e0d943a75d411
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 5 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.
- Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
- Modifies registry class 7 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MegaDownloader_v1.8.exe"C:\Users\Admin\AppData\Local\Temp\MegaDownloader_v1.8.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-L5E80.tmp\MegaDownloader_v1.8.tmp"C:\Users\Admin\AppData\Local\Temp\is-L5E80.tmp\MegaDownloader_v1.8.tmp" /SL5="$60112,2536378,780288,C:\Users\Admin\AppData\Local\Temp\MegaDownloader_v1.8.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Program Files\MegaDownloader\MegaDownloader.exe"C:\Program Files\MegaDownloader\MegaDownloader.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
-
-
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
MegaDownloader.exe
isxdl.dll
MegaDownloader_v1.8.tmp
memory/2288-1-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/2288-56-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/2288-12-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/2452-35-0x000000001BBD0000-0x000000001C056000-memory.dmp
memory/2452-38-0x00007FFFABB90000-0x00007FFFAC534000-memory.dmp
memory/2452-62-0x00007FFFABB90000-0x00007FFFAC534000-memory.dmp
memory/2452-66-0x00007FFFABB90000-0x00007FFFAC534000-memory.dmp
memory/2452-33-0x00007FFFABD1F000-0x00007FFFABD20000-memory.dmp
memory/2452-34-0x0000000000E40000-0x0000000000EA2000-memory.dmp
memory/2452-59-0x00007FFFABB90000-0x00007FFFAC534000-memory.dmp
memory/2452-36-0x00007FFFABB90000-0x00007FFFAC534000-memory.dmp
memory/2452-37-0x0000000003380000-0x00000000033EE000-memory.dmp
memory/2452-64-0x0000000022FC0000-0x0000000023010000-memory.dmp
memory/2452-39-0x00007FFFABB90000-0x00007FFFAC534000-memory.dmp
memory/2452-40-0x00007FFFABB90000-0x00007FFFAC534000-memory.dmp
memory/2452-41-0x000000001CD00000-0x000000001CD7C000-memory.dmp
memory/2452-42-0x00007FFFABB90000-0x00007FFFAC534000-memory.dmp
memory/2452-54-0x00007FFFABB90000-0x00007FFFAC534000-memory.dmp
memory/2452-61-0x00007FFFABB90000-0x00007FFFAC534000-memory.dmp
memory/2452-81-0x0000000020500000-0x0000000020526000-memory.dmp
memory/2452-57-0x00007FFFABB90000-0x00007FFFAC534000-memory.dmp
memory/2452-58-0x00007FFFABB90000-0x00007FFFAC534000-memory.dmp
memory/3276-16-0x0000000000400000-0x0000000000682000-memory.dmp
memory/3276-55-0x0000000000400000-0x0000000000682000-memory.dmp
memory/3276-27-0x0000000000400000-0x0000000000682000-memory.dmp
memory/3276-13-0x0000000000400000-0x0000000000682000-memory.dmp
memory/3276-14-0x0000000002470000-0x0000000002471000-memory.dmp
memory/3276-6-0x0000000002470000-0x0000000002471000-memory.dmp